CN102781586A - 用催化剂组分涂覆整体式基材的方法 - Google Patents
用催化剂组分涂覆整体式基材的方法 Download PDFInfo
- Publication number
- CN102781586A CN102781586A CN2011800086488A CN201180008648A CN102781586A CN 102781586 A CN102781586 A CN 102781586A CN 2011800086488 A CN2011800086488 A CN 2011800086488A CN 201180008648 A CN201180008648 A CN 201180008648A CN 102781586 A CN102781586 A CN 102781586A
- Authority
- CN
- China
- Prior art keywords
- base material
- liquid
- flow filter
- equipment
- piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 53
- 239000000758 substrate Substances 0.000 title claims abstract description 44
- 238000000576 coating method Methods 0.000 title claims abstract description 42
- 239000011248 coating agent Substances 0.000 title claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 77
- 230000000717 retained effect Effects 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 292
- 230000003197 catalytic effect Effects 0.000 claims description 28
- 230000001413 cellular effect Effects 0.000 claims description 22
- 239000007787 solid Substances 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 239000004071 soot Substances 0.000 claims description 9
- 229910052723 transition metal Inorganic materials 0.000 claims description 9
- 150000003624 transition metals Chemical group 0.000 claims description 9
- 239000010457 zeolite Substances 0.000 claims description 9
- 229910021536 Zeolite Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 8
- 210000000038 chest Anatomy 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 229910001657 ferrierite group Inorganic materials 0.000 claims description 4
- 230000009970 fire resistant effect Effects 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 229910052684 Cerium Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000002441 reversible effect Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims 1
- 239000002585 base Substances 0.000 description 157
- 239000007789 gas Substances 0.000 description 23
- 238000006243 chemical reaction Methods 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 15
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 14
- 238000003618 dip coating Methods 0.000 description 11
- 239000000047 product Substances 0.000 description 11
- 239000002002 slurry Substances 0.000 description 11
- 238000012360 testing method Methods 0.000 description 10
- 230000032683 aging Effects 0.000 description 9
- 206010000269 abscess Diseases 0.000 description 8
- 230000004323 axial length Effects 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 7
- 229910021529 ammonia Inorganic materials 0.000 description 7
- 238000001035 drying Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 238000001354 calcination Methods 0.000 description 6
- 239000000446 fuel Substances 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 239000003638 chemical reducing agent Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 4
- 239000004202 carbamide Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000013536 elastomeric material Substances 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 4
- 229910010271 silicon carbide Inorganic materials 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 229910052878 cordierite Inorganic materials 0.000 description 3
- 239000002283 diesel fuel Substances 0.000 description 3
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 3
- 239000002243 precursor Substances 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 229910000765 intermetallic Inorganic materials 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- -1 platinum group metal compounds Chemical class 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 229910017083 AlN Inorganic materials 0.000 description 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229920002323 Silicone foam Polymers 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000001341 alkaline earth metal compounds Chemical class 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 239000003426 co-catalyst Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- YSSSPARMOAYJTE-UHFFFAOYSA-N dibenzo-18-crown-6 Chemical group O1CCOCCOC2=CC=CC=C2OCCOCCOC2=CC=CC=C21 YSSSPARMOAYJTE-UHFFFAOYSA-N 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910003465 moissanite Inorganic materials 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910001744 pollucite Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000002459 porosimetry Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 150000003284 rhodium compounds Chemical class 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
- B01J29/76—Iron group metals or copper
- B01J29/763—CHA-type, e.g. Chabazite, LZ-218
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J15/00—Chemical processes in general for reacting gaseous media with non-particulate solids, e.g. sheet material; Apparatus specially adapted therefor
- B01J15/005—Chemical processes in general for reacting gaseous media with non-particulate solids, e.g. sheet material; Apparatus specially adapted therefor in the presence of catalytically active bodies, e.g. porous plates
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B13/00—Hook or eye fasteners
- A44B13/0005—Hook or eye fasteners characterised by their material
- A44B13/0011—Hook or eye fasteners characterised by their material made of wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/08—Silica
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/20—Carbon compounds
- B01J27/22—Carbides
- B01J27/224—Silicon carbide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/03—Pressure vessels, or vacuum vessels, having closure members or seals specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/19—Catalysts containing parts with different compositions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
- B01J35/57—Honeycombs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0215—Coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
- B01J37/0244—Coatings comprising several layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
- B01J37/0246—Coatings comprising a zeolite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/02—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to surfaces by single means not covered by groups B05C1/00 - B05C7/00, whether or not also using other means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/04—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to opposite sides of the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/002—Processes for applying liquids or other fluent materials the substrate being rotated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/105—General auxiliary catalysts, e.g. upstream or downstream of the main catalyst
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/91—NOx-storage component incorporated in the catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/915—Catalyst supported on particulate filters
- B01D2255/9155—Wall flow filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/04—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to opposite sides of the work
- B05C9/045—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to opposite sides of the work in which the opposite sides of the work are the internal and external surfaces of hollow articles
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Catalysts (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
Abstract
用包含催化剂组分的液体涂覆包括多个通道的蜂窝状整体式基材的方法包括以下步骤：（i）基本竖直地固持蜂窝状整体式基材；（ii）经由在所述基材的下端的所述通道的开放末端向所述基材引入预定体积的所述液体；（iii）将所引入的液体密封地保留在所述基材内；（iv）使含有所保留的液体的所述基材反转；和（v）对在所述基材的反转下端的所述基材的通道的开放末端施用真空以沿所述基材的通道吸出所述液体。
Description
本发明涉及用包含催化剂组分的液体涂覆包括多个通道的蜂窝状整体式基材的方法和装置。
在本文中定义的“蜂窝状整体式基材”包括具有多个通道或泡孔的金属和陶瓷穿流式整料，该等通道或泡孔沿基材结构的长度纵向延伸且其中通道在其两端开放；和包括具有多个通道或泡孔的陶瓷壁流过滤器的金属和陶瓷过滤器，该等通道或泡孔沿基材结构的长度纵向延伸且其中在基材的第一末端开放的通道在相对末端堵塞且在相对末端开放的通道在第一末端堵塞，该配置使得每隔一个邻近泡孔在壁流过滤器的第一末端具有开放末端（或堵塞末端）和在其相对末端具有堵塞末端（或开放末端），以使得当观察壁流过滤器的一个末端时，其类似于开放通道和堵塞通道的象棋盘。在壁流过滤器的第一末端处的开放通道与其相对末端处的开放通道之间的流体连通经由壁流过滤器的多孔壁结构实现。
定义“蜂窝状整体式基材”也包括金属的所谓的“局部过滤器”，诸如在WO 01/80978中公开的基材或在EP 1057519中公开的基材。
通常，用于制造蜂窝状整体式基材的陶瓷材料包括碳化硅、氮化铝、氮化硅、钛酸铝、烧结金属、氧化铝、堇青石、莫来石、铯榴石、复合料（thermet）诸如Al2O3/Fe、Al2O3/Ni或B4C/Fe或包括其任何两种或更多种的节段的复合材料。
用于涂覆蜂窝状整体式基材的包含催化剂组分的液体制剂为本领域的技术人员已知且包括：诸如铂、钯和铑化合物的铂族金属化合物的水溶液；用于沉积将NOx吸收在基材上的化合物的碱金属和碱土金属化合物的水溶液；和诸如例如铁、铜、钒、铈的过渡金属的化合物和过渡金属助催化剂化合物的其他组分；包含诸如氧化铝、氧化铈、氧化钛、氧化锆、氧化硅-氧化铝和沸石、任选负载上述铂族金属或过渡金属中的一种或多种的微粒状催化剂载体材料的洗涂料（washcoat）浆料；和含有负载的金属化合物和上述金属化合物的水溶液的组合的洗涂料浆料。这类液体也可包含相关的酸、有机化合物增稠剂等以改善制剂的催化活性、化学性质以适合所得催化剂的预定用途和/或液体的粘度和流变学。
例如自我们的WO 99/47260和自US 5,422,138已知用于自动涂覆蜂窝状整体式基材的装置。后一参考文献公开了如下装置，其包括用于基本竖直地固持蜂窝状整体式基材的设备和用于经由在基材的下端的通道的开放末端向基材引入预定体积的液体的设备，即本说明书的权利要求4的特征（a）和（b）；
EP 1325781公开了可用于生产现代“分区”基材的在US 5,422,138中公开的涂覆技术的发展。
本发明人已经研究了用包含催化剂组分的液体涂覆蜂窝状整体式基材的已知技术，其中特定强调涂覆过滤器基材和他们遇到的许多问题。
一个问题在于，如果液体洗涂料太粘，则对于在柴油机动车的排气系统中实际应用过滤器来讲在过滤器中的背压可能太高。本发明人发现对于涂覆过滤器可能需要约50cps的洗涂料粘度，而这种低粘度的洗涂料在使用已知涂覆方法时常在过滤器基材上产生不均匀的涂层。
在实践中，本发明人发现，有用的是使基材的吸水因子与在洗涂料中的悬浮液体含量匹配以获得所要百分数的轴向涂层深度；如果这两者不匹配，则涂层可能在干燥时缺乏稳定性。通过从基材上的洗涂料除去通常为水的悬浮液体，使洗涂料组分固定。
此外，本发明人发现，通过自洗涂料制剂除去增稠剂，产生较低粘度的洗涂料，可以减少干燥时间。
研究了一种供选的方法，其包括放置壁流过滤器基材于水溶液浴中且允许溶液通过毛细管作用浸渍过滤器，随后干燥并煅烧浸渍的壁流过滤器基材。然而，发现该方法由于浸渍步骤和随后的干燥步骤太慢而本身不易于自动化。此外，该方法对于考虑消费者的诸如催化剂“分区”以改善活性和节约昂贵铂族金属的需求来讲不够灵活。
在US 5,422,138中公开的方法和装置使用例如100-500cps的较高粘度的浆料，因此在用所希望的较低粘度浆料涂覆过滤器基材整料的领域中似乎没有实际用途。此外，在该方法中使用过量的含有昂贵铂族金属的液体涂覆蜂窝状整体式基材可导致一些液体无效损失。在本领域中，同样重要的是涂覆的蜂窝状整体式基材遵守在涂覆的蜂窝状整体式基材的制造商与其消费者之间约定的合同说明书，因为过量涂覆昂贵的铂族金属可降低制造商的利润，而用太少铂族金属涂覆蜂窝状整体式基材可导致制造商陷入与其消费者的冲突中。
本发明人已经开发了用包含催化剂组分的较低粘度的液体自动涂覆蜂窝状整体式基材、尤其是过滤器的方法和装置，其使得能够更加仔细且精确地装载昂贵的铂族金属组分且防止在制造商的工厂中损失。
根据一个方面，本发明提供用包含催化剂组分的液体涂覆包括多个通道的蜂窝状整体式基材的方法，所述方法包括以下步骤：（i）基本竖直地固持蜂窝状整体式基材；（ii）经由在所述基材的下端的所述通道的开放末端向所述基材引入预定体积的所述液体；（iii）将所引入的液体密封地保留在所述基材内；（iv）使含有所保留的液体的所述基材反转；和（v）对在所述基材的反转下端的所述基材的通道的开放末端施用真空以沿所述基材的通道吸出所述液体。
在一个实施方案中，由在基材下端的通道的开放末端密封基材的外表面、即密封以免与在基材的下端的通道的开放末端液体连通的步骤插在步骤（i）和（ii）之间。
在另一实施方案中，在步骤（v）中保留液体的密封件仅在施用真空之后除去。
在所述方法的另一实施方案中，如在本文中定义，所述基材为过滤器。
根据第二方面，本发明提供用包含催化剂组分的液体涂覆包括多个通道的蜂窝状整体式基材的装置，所述装置包括：（a）用于基本竖直地固持蜂窝状整体式基材的设备；（b）用于经由在所述基材的下端的所述通道的开放末端向所述基材引入预定体积的所述液体的设备；（c）用于将所引入的液体密封地保留在所述基材内的设备；（d）用于反转含有所保留的液体的所述基材的设备；和（e）用于对在所述基材的反转下端的所述基材的通道的开放末端施用真空以沿所述基材的通道吸出所述液体的设备。
虽然可将基材手动地插入固持设备中，但优选使用机器人“抓放”设备来整体上增加方法的自动化。
在一个实施方案中，所述固持设备包括用于至少接纳基材的下端的外壳。熟练的工程师应了解，不是所有的基材都具有常规的圆形截面，而是也可以采取椭圆形或“跑道”、偏斜椭圆形或其他不对称截面。无论基材为哪种截面，熟练的工程师都可视情况而选定用于接纳基材的合适形状的外壳。
固定设备可包括用于固持基材的任何合适的设备，例如硬鬃（stiffbristle）；或由外壳的内壁负载的弹性体材料的柔性鳍板，其延伸到外壳的内部空间且随着基材插入外壳的开口而变形；或布置在基本共用轴面中的三个或更多个等距下脚，其从外壳的内壁表面延伸到外壳的内部以在将基材插入外壳之后夹住基材的外表面。
然而，在一个特定的实施方案中，所述固持设备包括布置在外壳的内表面上以与基材的外表面啮合的至少一个充气式卡圈。虽然所述充气式卡圈可以以在US 5,422,138、图8-16和相关描述中公开的形式，即卡圈接触基材的外表面的整个轴长，但我们优选使用包括接触在基材的下端的外表面的第一充气式卡圈和接触在基材的下端上方、例如大致介于基材的下端与上端之间或在基材的上半部的基材的外表面的第二充气式卡圈。优选至少两个充气式卡圈来啮合基材的原因在于本发明人已经发现基材被更加坚固地固持且对于以下方法步骤、特别是反转步骤能够具有较高的精确度，而在US 5,422,138中显示单一卡圈在侧面中提供更大的灵活性，需要较高压力来将基材固持到所要的坚固水平。
可以使用任何合适的液体引入设备，但在一个特定的实施方案中，其包括在气缸内往复的活塞。虽然术语“气缸”意味着活塞头部和气缸缸膛的圆形截面，但在实施方案中，活塞头部和气缸缸膛的形状由基材的截面决定，即，在基材的截面为椭圆形的情况下，活塞头部和气缸缸膛的截面也为椭圆形。这是因为活塞头部和气缸缸膛的截面与基材的截面匹配可以促进涂覆基材达到甚至更大的轴向洗涂料深度。然而，使基材的截面与活塞头部和气缸缸膛的截面匹配不是必需的，因而这避免了重装用于涂覆不同截面的基材的装置。
通常，活塞在气缸内在其中活塞头部的表面与气缸头部邻接或对准的第一位置与其中气缸的内壁、气缸头部和活塞头部限定排放体积的第二位置之间往复。
在一个实施方案中，所述排放体积与欲引入基材的液体体积相似或相同，且活塞在将液体引入基材之后回到第一位置。在其中当活塞处于第一位置时，活塞头部的表面支承或邻接基材的下端一个实施方案中，优选该配置。这使得当基材被最初插入外壳中时，基材可在启动诸如充气式卡圈的固持设备之前由活塞头部支承，提供与固持设备和/或用于密封地保留液体在基材内的设备（后一密封设备在下文论述）更可靠的啮合。
在一个供选的实施方案中，所述排放体积足以容纳多种剂量的液体，即，足以引入单剂量的到两个或更多个基材的液体。当然，在该配置中，必须选定用于密封地保留所引入的液体在基材内的设备，其可在其中气缸本身反转的实施方案中保留液体在气缸中。
所述液体可合适地经由在气缸头部中的孔供应到气缸中，所述液体经由其经在活塞杆和活塞头部中的导管或通过在气缸外壳的壁中的阀门设备引入基材中。在任何情况下，仅希望供应预定体积的欲引入基材的液体到排放体积中以避免涂覆液体浪费。在一种配置中，所述排放体积与欲引入基材的液体的体积相同，以使得当排放体积装上该液体时几乎不存在死空间。这使得当全部体积的液体都引入基材时气缸缸膛为空的，且活塞头部邻接基材的下端，原因在下文更详细地解释。当然，如上所述，也可以对于两个或更多个引入步骤用足够的液体对排放体积装料，其中活塞在气缸内逐步前进，因此随各步骤减小排放（或液体）体积。
用于密封地保留所引入的液体在基材内的设备可为任何合适的特征，诸如闸刀、隔板或遮挡板或具有单向渗透率的材料。然而，在一种优选的配置中，用于密封地保留所述液体的所述设备为活塞头部本身的表面，其可包含增强在其间的密封的材料，例如，弹性体材料，诸如软聚硅氧烷泡沫体或合成橡胶。因此，在其中全部体积的液体都从气缸排出到基材，即活塞已经回到第一位置的实施方案中，活塞头部的表面接触基材的下端，因此形成密封以保留引入到基材中的液体。
在一个实施方案中，所述液体保留设备在施用真空之前除去。
然而，在另一实施方案中，所述液体保留设备维持与基材末端的密封，直到真空设备施用真空到基材的反转下端，即在切断真空之后，在基材中保持静态真空。根据密封设备的性质，这使得液体不在基材的泡孔之间流动，导致在反转之后横跨基材的轴向涂层深度不均匀；或从其中引入液体的基材的末端泄漏，且由此在可施用真空以沿基材的通道吸出液体之前自基材的外壁降下，这导致液体损失和基材的外部“皮”涂层的较不理想的整饰外观。在其中活塞头部提供密封的实施方案中，维持与基材的密封啮合直至施用真空也提供清洁活塞表面以准备用于下一基材的优势。
在另一实施方案中，外壳、活塞和气缸全部通过反转设备作为单一单元反转。理想地，这种反转设备包括机器人设备。
在一个实施方案中，所述装置包括用于从在基材的下端的通道的开放末端密封基材的外表面（即密封以免与其液体连通）的设备。这在其中活塞缸膛的截面具有与基材截面不同的形状，例如其中基材为椭圆形且活塞缸膛为圆形的实施方案中可能是必需的。这将阻止在气缸的周边“死空间”区域中的任何残留液体在反转步骤期间渗入基材。
可以使用用于从在基材的下端的通道的开放末端密封基材的外表面的任何合适的密封装置，诸如上述的柔性鳍板，但在一个特定的实施方案中，所述密封设备包括充气式卡圈，或在使用多于一个充气式卡圈的情况下，充气式卡圈与基材的下端相关。
所述真空设备可采用任何合适的形式，但在一个实施方案中，其包括漏斗，其较宽末端用于接纳基材的反转末端。
在真空设备与基材的反转末端之间的密封可通过延伸到由漏斗的较宽末端的内表面限定的空间的柔性材料的鳍板来实现，其中该鳍板随着基材被插入漏斗的较宽末端而变形且该鳍板与基材的外表面啮合。然而，在一个特定的实施方案中，所述漏斗的较宽末端的内表面包括与基材的外表面密封地啮合的充气式卡圈。因为布置在真空设备上的密封件也夹住基材，所以可将其视为第二固持设备。
（第一）固持设备可在施用真空期间自涂覆的基材脱离且在真空步骤之后再次施用。这出于至少四个原因：
（i）在其中活塞头部构成用于密封地保留所引入的液体的设备的实施方案中，其中在施用和切断真空之后维持密封，即在基材中保持静态真空，基材可与活塞头部形成液压密封。在真空设备上的（第二）固持设备使得基材能够从活塞头部拉出；
（ii）防止在基材通道内的任何真空损失；
（iii）防止或降低基材边缘损坏并保护基材；和
（iv）使得空气能够进入外壳且经由其中引入了液体的基材的末端进入基材，虽然这也可能通过在外壳的壁中提供孔眼来实现。
在该真空步骤之后，可使装置和涂覆的基材回到其竖直位置，之后可移出涂覆的基材以便干燥并任选煅烧涂层。
本发明的方法和装置使得能够制造现代“分区”基材。在第一遍之后在干燥并任选煅烧涂覆的基材之后，可在第二遍用不同的液体从引入第一涂料的相对末端涂覆同一基材。例如，可以全部计算液体的剂量重量和固体含量和所施用真空的大小且将其优化来实现所需要的涂层的任何轴向深度。在第二遍，也可以用不同的组合物从第一遍涂覆的相对末端涂覆基材整料且在它们获得的两个涂层之间实现所要的重叠量，例如5%。在第一或第二遍涂覆上的多遍涂覆如第三遍涂覆也可以按需要在干燥和任选的煅烧之后进行。
以此方式，本发明能够制造诸如在我们的WO 2004/079167中公开的过滤器基材，即，分区过滤器基材，其中第一催化剂区包含用于氧化一氧化碳、烃和一氧化二氮的包含至少一种铂族金属（PGM）的柴油氧化催化剂且其中至少一个下游催化剂区包含至少一种PGM，其中在第一催化剂区中的总PGM装载量大于在该至少一个下游催化剂区中的总PGM装载量。
在一个特定的实施方案中，所述装置通过适当编程的计算机控制以在工作时执行根据本发明的一系列方法步骤。
本发明人发现根据本发明的涂覆蜂窝状整体式基材的方法在用以制造包含诸如以下的催化剂的壁流过滤器时提供特定的优势：包含一种或多种铂族金属的氧化催化剂（所得涂覆的过滤器通常被称为催化型烟灰过滤器CSF）；和用于催化用诸如氨和氨前体如脲的含氮还原剂选择性还原氮氧化物的催化剂。还相信根据本发明的方法可用来制造包含所谓的NOx吸收剂催化剂（NACs）、也称作贫NOx捕集器或简称为NOx捕集器的过滤器。
所述方法的灵活之处在于，在适当控制配料量、洗涂料固体含量及真空强度和持续时间的情况下，可涂覆一些或所有过滤器通道，可对于入口通道和出口通道选定不同的通道涂覆长度且可使用所述方法来制造分区涂覆的壁流过滤器配置，例如，其中与其下游的入口通道的剩余部分相比，入口通道的最初轴向20%用较高浓度的铂族金属涂覆。
一般来讲，对于给定洗涂料装载量选择的洗涂料固体含量取决于欲涂覆的部件的孔隙率和欲施用的涂层的轴长，且所需要的精确洗涂料固体含量可通过常规试错法确定。然而，通常，洗涂料固体含量将在约8-40%固体范围内。一般来讲，为了涂覆部件的相同轴长，部件的孔隙率越高，欲使用的洗涂料固体含量越低。并且，为了用相同的洗涂料装载量从相同的部件涂覆不同的轴长，轴长越短，洗涂料固体含量越高，为了用洗涂料在标准洗涂料装载量下涂覆典型的堇青石或SiC壁流过滤器，可以选择25%的洗涂料固体含量来涂覆通道的整个长度。为了用铂族金属的比较高的洗涂料装载量涂覆壁流过滤器的相对短的区，例如涂覆催化型烟灰过滤器的短入口区，可以选择高得多的洗涂料固体含量，例如30-40%。对于相同的洗涂料装载量，用于涂覆部件的较短轴长的洗涂料体积将小于用于涂覆部件的较长轴长的洗涂料体积。
根据洗涂料固体含量（洗涂料固体含量越低，真空持续时间越久）和部件的尺寸（较大体积的部件需要较久的持续时间和较高的真空施用），所施用的真空通常将为约-5kpa至-50kpa，持续时间在约0.3秒至约2秒的范围。然而，通常真空施用可在约1秒范围内。较大的基材如意欲用于重型柴油车辆的那些基材可能需要较高的真空施用，诸如负40-50kpa，而轻型柴油车辆部件可能需要真空施用。
本发明人已经发现较佳的涂层分布可通过在反转部件之后在步骤（v）下以至少两个步骤施用真空来实现：在相对低的真空压力下且在于真空设备中不施用任何固持设备如充气式卡圈的情况下第一短暂的相对弱的真空施用（约-5至-10kpa）；接着在启动固持设备的情况下第二较久且较强的真空。相信较短的真空施用用来清洁活塞表面且允许洗涂料沿通道的长度流动，之后第二较高的真空移出液体洗涂料组分，因此使洗涂料固体固定在部件的表面上。在第一真空施用与第二真空施用之间的时间可为5-10秒，诸如6-8秒。重型柴油车辆部件可能需要第三或随后的真空施用。
本发明人已经发现，本发明的方法对于制造用于车辆使用的包含用于催化用诸如氨和氨前体例如脲的含氮还原剂选择性还原氮氧化物的催化剂的壁流过滤器具有特定应用。所述选择性催化还原（SCR）催化剂包括V2O5/WO3/TiO2和过渡金属交换的沸石，诸如Fe/β沸石或Cu/CHA。制造所述产品的特定难题在于在可接受的背压下平衡保留催化剂活性的竞争性需求。高背压对动力输出和燃料经济性具有消极影响。随着排放标准、即容许从车辆排放的污染物的量，例如欧5和欧6，变得更加严格，它们还包括对于持续催化剂功效的使用中的车载诊断（OBD）检验的立法需求。OBD需求特别与催化型过滤器有关，因为车辆制造商通常在其车辆设计中包括保留在过滤器中的微粒物质的定期活性物去除以维持有效的发动机性能，其中使用例如发动机操控燃料喷射和/或将燃料注入发动机下游的排出气体中且使其在合适的催化剂上燃烧来增加排出气体的温度。因为车辆制造商要求催化剂产品能够耐受整个（车辆）寿命，所以催化型过滤器的制造商设法通过装载具有与最初尽可能同样多的催化剂的过滤器来抵消催化剂随时间的失活。然而，如先前所述，增加催化剂装载量导致过滤器背压不合需要地增加。虽然使用孔隙率较高的过滤器基材可以抵消一些伴随的难题，但是这种基材更脆且更难以处理。避免不可接受的背压的一种供选方法是限制催化剂涂层的量。然而，降低SCR催化剂的量导致NOx转化率和NH3储存容量降低，这对于较低温度NOx转化是重要的。
在发展装载SCR催化剂的洗涂料到壁流过滤器基材上的方法的过程中，本发明人研究了诸如在WO 2005/016497中公开的技术的常规涂覆技术，其中将壁流过滤器基材竖直地浸没在催化剂浆料的一部分中以使得基材的顶部刚好位于浆料的表面之上。也就是说，使洗涂料浆料接触各通道壁的入口面，但防止其接触各壁的出口面。使样品在浆料中约30秒。将基材从浆料中移出，且过量的浆料首先通过允许其从通道流下、随后通过用压缩空气（对着浆料渗透的方向）吹气且随后从浆料渗透的方向施加真空来从壁流基材除去。该WO'497说明书要求通过使用该技术，催化剂浆料渗透基材的壁，而孔隙不闭合到过度背压将积聚在成品基材上的程度。随后将涂覆的基材在约100℃下干燥且在例如300-450℃的更高温度下煅烧（或燃烧）。该方法可重复以涂覆壁流过滤器的出口面。
近年来，壁流过滤器的制造商开始提供在其入口面上用包含细分散的耐火粒子的表面膜预涂覆以改善除了其他特征以外的粒子过滤性的产品。参见，例如NGK Insulator Ltd.的EP 2158956和由EP'956的发明人在2008年4月14-17日在Detroit，Michigan举行的2008World Congress的汽车工程师学会（Society of Automotive Engineers，SAE）技术论文2008-010621。本发明的发明人注意到当使用WO'497的常规涂覆技术涂覆这些所谓的“膜式过滤器”时的特定难题。也参见WO 00/01463和WO2010062794。
具体地讲，常规（浸泡）涂覆过滤器到催化剂浆料中导致涂料在膜层中积聚，本发明人认为这归因于高毛细管力，其引导涂覆浆料进入膜层。该膜层可能被涂料堵塞（或“致盲”）且所得过滤器具有显著较高的背压。使用该常规涂覆技术用例如基于过渡金属交换的沸石的SCR涂料涂覆膜式过滤器的入口通道和出口通道导致SCR催化剂堵塞膜结构且所得SCR-涂覆的过滤器具有高背压。
本发明人推论通过使用常规浸涂方法来涂覆膜式过滤器的入口通道和出口通道所遇到的高背压可通过仅浸涂出口通道来显著降低，即基材制造商已在其上预涂覆了膜表面涂层的入口过滤器通道不用SCR催化剂涂覆。然而，在他们试验该方法时，本发明人发现浸涂（经由出口通道）在过滤器背后产生具有较高比例的催化剂涂层的涂层梯度，他们确定其中的一些布置在膜结构中，尽管催化剂从预涂覆表面膜层施用到通道壁的相对面。
随后，本发明人发现，通过施用根据本发明的方法来仅涂覆具有用膜层涂覆的入口通道的壁流过滤器基材的出口通道，该方法使用适当的洗涂料固体含量和相对迅速的真空施用，可更加均匀地涂覆出口通道，即在入口膜层上见到很少或基本见不到施用到出口通道上的SCR催化剂。
根据又一方面，本发明提供用轴向基本均匀的催化剂洗涂料涂覆壁流过滤器基材的出口通道的方法，所述壁流过滤器基材整料的制造商已对其入口通道预涂覆包含细分散无机固体的表面膜层，所述方法包括以下步骤：
本发明的该方面的优势包括，与其中催化剂洗涂料代之以通过常规浸涂技术（如在WO'497中所述）施用到出口通道的相同催化型基材整料相比较，催化剂洗涂（经由出口通道）降低涂层梯度且给出较低烟灰负载背压、（在氨或氨前体用作还原剂的情况下）较高NH3储存量和较高NOx转化率（新鲜和水热老化的）。本发明人相信该改善的涂层均匀性还将促进在过滤器上较佳的流动分布，这与诸如含氮还原剂的还原剂的投放和随后控制NH3漏失和NOx转化率有关。
如在实施例1和图8中可以看见，降低在过滤器后部催化剂的量对“真实世界”老化条件也有益处，因为该区域通常暴露于更恶劣的条件（更高温度和更高灰分暴露），与过滤器的前面部分相比，这导致从该区域产生相对较低的催化剂性能。利用根据本发明的涂覆方法（经由出口通道，代替经由出口通道浸涂）可降低在过滤器后部涂覆的催化剂的比例且将给出真实世界性能益处。
本发明的方法通常优于常规浸涂方法的又一优势在于，与常规浸涂方法相比较，以洗涂料的一种或更多种其他组分为代价，可基本降低或消除由蜂窝状载体整料从多组分催化剂洗涂料中选择性吸附组分。
根据又一方面，本发明提供催化型壁流过滤器基材整料，所述壁流过滤器基材整料的制造商已对其入口通道预涂覆包含细分散耐火固体的表面膜层，其中所述出口通道包括催化剂洗涂料的轴向基本均匀的涂层分布，所述催化型壁流过滤器基材整料可通过根据本发明的方法获得。
根据又一方面，本发明提供催化型壁流过滤器基材整料，所述壁流过滤器基材整料的制造商已对其入口通道预涂覆包含细分散耐火固体的表面膜层，其中所述出口通道包括催化剂洗涂料的轴向基本均匀的涂层分布，其中在所述催化型壁流过滤器基材整料的轴向上游半部中洗涂料的装载量为其轴向下游半部中洗涂料装载量的10%。
在实施方案中，在涂覆之前根据本发明的后两个方面的壁流过滤器基材整料的孔隙率为40-80%。在优选的实施方案中，用于本发明的过滤器的孔隙率通常>40%或>50%且孔隙率为45-75%，诸如50-65%或55-60%。
在其他实施方案中，在涂覆之前壁流过滤器基材整料的平均孔隙体积为8-45μm，例如为8-25μm、10-20μm或10-15μm。在特定实施方案中，最初平均孔径>18μm，诸如为15-45μm、20-45μm，例如20-30μm或25-45μm。
在实施方案中，施用到本发明的壁流过滤器基材整料的出口通道上的催化剂洗涂料为NOx捕集器、包含负载的铂族金属的催化型烟灰过滤器洗涂料或NH3-SCR催化剂，优选为NH3-SCR催化剂。
优选所述NH3-SCR催化剂包括过渡金属交换的沸石且最优选所述过渡金属选自以下集合：铜、铁、铈和其中任意两种或更多种的混合物，且所述沸石选自以下集合：镁碱沸石、CHA、BEA和MFI（ZSM-5）。特别优选的组合为Cu/CHA、Fe/镁碱沸石、Fe/或Fe-Ce/ZSM-5和Fe或Fe-Ce/BEA。
为了可以更全面地理解本发明，现将提到在附图中示出的本发明的装置和方法步骤的一个实施方案的一系列略图，其中：
图1显示没有基材的根据本发明的装置的起始位置；
图2显示具有插入的基材的图1的装置；
图3显示装置和基材的配置，其中所述基材通过启动充气式卡圈固持；
图4显示如下配置，其中装料活塞降低且测量剂量的洗涂料经由剂量控制阀门引入排放体积中；
图5代表图4的配置，其中剂量控制阀门关闭且活塞驱使洗涂料装料进入基材中；
图6显示如下配置，其中装置反转且反转基材的下端插入漏斗的开放末端，漏斗的特征在于充气式卡圈密封以便施用真空；
图7显示如下步骤，其中（第一）固持设备的充气式卡圈脱离基材以使得基材由真空漏斗卡圈固持且施用真空以将洗涂料引到基材整料中；
图8比较三种壁流过滤器的X射线密度分布图，第一（对照）壁流过滤器按自供应商接收的原样，其中入口通道用包含细分散无机耐火材料的膜层预涂覆；第二壁流过滤器“按接收原样”且使用浸涂方法用SCR催化剂在出口管道上另外涂覆（比较）；且第三壁流过滤器“按接收原样”且用相同的SCR催化剂在与第二壁流过滤器相似的洗涂料装载量下但使用根据本发明的方法在出口通道上另外涂覆；
图9为比较对于通过浸涂方法（比较）和根据本发明的方法制备的壁流过滤器的新鲜样品来讲烟灰负载量对背压的曲线图；
图10为比较装配在试验台发动机的排气系统中且根据在实施例5中描述的实验协定试验的根据实施例1和对比例2制备的过滤器的新鲜NOx转化活性的曲线图。在该图和随后的图中，实施例1的产物标上“AID”且对比例2的产物标上“Dip”；
图11为比较在图10中所示的NOx转化试验期间新鲜过滤器的NH3漏失率的曲线图；
图12为比较装配在试验台发动机的排气系统中且根据在实施例5中描述的实验协定试验的根据实施例1和对比例2制备的过滤器的老化NOx转化活性的曲线图；且
图13为比较在图12中所示的NOx转化试验期间老化过滤器的NH3漏失率的曲线图。
图1显示根据本发明的装置10的起始位置，其中12为包括用于接纳基材整料的下端的外壳14和处于放气状态的一对充气式卡圈16a、16b的固持设备，其中布置在气缸20内的装料活塞18处于延伸或第一位置。
图2显示如下配置，其中基材22由例如“抓放”机器人臂插入固持设备12中且由包含弹性体材料的活塞头部24的表面支承。
图3显示图2的装置，其中启动充气式卡圈16a、16b以与基材整料22的外表面啮合。
图4显示装料活塞18如何通过伺服系统（未示出）降到既定程序深度和测量剂量的洗涂料26如何通过体积的沉积器（未示出）经由洗涂料供应管线30抽吸穿过剂量控制阀门28进入由气缸的内壁、气缸头部和活塞头部18部分限定的排放体积32中。
在图5中，在关闭剂量控制阀门28的情况下，将洗涂料装料26推进到基材22的基底。活塞18回到第一位置且弹性体材料面密封基材22的配料下端面以备反转。
在图6中，基材22例如旋转180°而反转到在真空锥体36上方的位置。真空锥体36借助于气压缸（未示出）上升就位。启动在真空锥体中的充气式卡圈38且触发第一真空启动。
固持设备12的充气式卡圈16a、16b脱离且真空锥体36向下拉基材22且使其远离活塞头部24的表面（真空锥体卡圈38保持啮合且气压活塞向下拉基材）。随后，对基材22施加其他真空启动。可存在许多真空启动，但在所说明的实施方案中，当基材已经脱离活塞头部时，存在两次真空启动。在该阶段，随着液体被从洗涂料浆料中除去，实现最后轴向涂层深度。
借助于气压缸，真空锥体36向上推动基材22且充气式卡圈16a、16b重新啮合。真空锥体卡圈38脱离且随后真空锥体36向下移动。基材22和装置10随后旋转回到第一竖直位置，以使得涂覆的基材可例如使用“抓放”设备竖直地移出以便随后干燥。因此可将新鲜基材插入装置10的固持设备14中且可重复常规程序。
实施例
实施例1和对比例2-施用SCR催化剂到具有供应商预涂覆的入
口通道膜层的市售壁流过滤器的出口通道上
在该实施例1中，使用市售碳化硅壁流过滤器（NGK InsulatorsLtd.，产品码：MSC-111）（其具有圆形截面（5.66英寸（14.4cm）直径）和6英寸（15.24cm）轴长、300泡孔/平方英寸的泡孔密度、0.305mm的通道壁厚、通过水银孔隙率测定法估计的52%的孔隙率和23μm的平均孔径且具有由供应商（即NGK）用包含细分散的耐火粒子的膜层预涂覆的入口通道）来比较具有通过根据本发明的方法和常规浸涂方法用SCR催化剂涂覆的出口通道的过滤器的物理性质和化学性质。
使用根据本发明的装置和方法将包含铜交换（2.5重量%铜）的CHA分子筛NH3-SCR催化剂的分散体的洗涂料仅施用到MSC-111产品的出口通道的100%轴长上。Cu/沸石催化剂的洗涂料固体含量为25%且包括在10%洗涂料固含量下的硅溶胶粘结剂。实现0.95gin-3的洗涂料装载量。将涂覆的部件在流动空气中在100℃下干燥且在500℃下煅烧（即燃烧）1小时。
对于对比例2，在相同洗涂料装载量下的类似产物通过在WO2005/016497中描述的方法使用相同的洗涂料组合物获得，即将壁流过滤器：（1）浸到浆料中达到足以从一个方向沿基材的全部轴长涂覆基材的通道的深度；（2）从涂覆侧施用真空约20秒；且如实施例1所述进行干燥并煅烧。
老化的催化型过滤器通过实施例1和对比例2的产物在800℃下在10%氧气（O2）、10%水蒸气、余量为氮气（N2）之中进行稀水热老化16小时来制备。
实施例3-涂覆过滤器的X射线密度分析
根据实施例1和对比例2制备的涂覆的壁流过滤器使用X射线密度分析来分析且与从供应商原样接收的MSC-111过滤器（即，具有用膜层预涂覆的入口通道，但没有施用到出口通道上的SCR涂层）相比较。结果示于图8中，其中X射线密度迹线在涂覆或“原始”部件的X射线上叠列。对于给定轴向定位沿过滤器的长度向左最远的X射线密度数据点指示相对高的密度，例如壁流过滤器端塞。相比之下，对于给定轴向定位沿过滤器的长度向右最远的数据点指示相对低的密度。
从X射线密度迹线可以看见，对于“按接收原样”的MSC-111部件，在入口末端与出口末端之间已经存在密度梯度，本发明人猜测这由通过供应商施用的膜层引起（出口末端具有比入口末端高的洗涂料密度）。比较“按接收原样”的产品与对比例2的产品的X射线密度迹线，可以看见涂层密度分布图朝向出口末端增加。还可以看见，相对于“按接收原样”的部件来讲，密度实际上从入口末端朝向对比例2部件的中间降低。
本发明人推测，该涂层分布可能是因为在出口末端处的较高密度固体在对比例2的制造中在真空施用期间产生不均匀的空气流，以使得空气流引起从对比例2部件的轴向中心部分清除高水平的洗涂料。还可能的是该观察结果可能由在“按接收原样”的部件中的批间偏差引起。
相比之下，实施例1的过滤器具有与“按接收原样”的部件基本类似的密度分布图，包括从入口末端到出口末端的类似洗涂料密度趋势。
实施例4-烟灰负载的背压分析
对于使用含有微粒物质的柴油废气对于实施例1和对比例2的各过滤器来讲，背压相对于烟灰负载量的增加速率使用在欧洲专利1850068A1中公开且由Cambustion Ltd.制造的柴油微粒发生器（DPG）和试验室来试验。它是用于产生并收集来源于液体含碳燃料的燃烧的微粒物质的装置，该装置包括包含喷嘴的燃料燃烧器，该喷嘴容纳在容器中，该容器包括气体入口和气体出口，所述气体出口与导管连接，用于将气体从气体出口传输到大气；用于检测流经气体入口的气体速率的设备和用于强制氧化性气体从气体入口流经容器、气体出口和通到大气的导管的设备；用于从流经导管的气体收集微粒物质的台站和用于响应在气体入口处检测到的气体流速控制强制气体流动的设备的设备，由此，在气体入口处的气体流速维持在所要速率下以在容器内提供低于化学计量的燃料燃烧，由此促进微粒物质形成。
过滤器各自依次装配在该台站中，其中入口通道由供应商用经布置以首先接收含微粒的废气的膜层预涂覆。该装置用含有最多50ppm硫的标准前置泵柴油燃料操作。DPG单元在250kg/hr气体质量流量、10g/hr的微粒产生率下操作，其中在线微粒碳化硅过滤器维持在约240℃下。在各过滤器装载微粒物质期间，背压通过差压传感器测定且每10秒记录在计算机上。
结果示于图9中，自其可以看出
实施例5-涂覆过滤器的新鲜和老化试验台发动机活性比较
将实施例1和对比例2的过滤器各自依次装配到实验台安装的遵照欧IV的2升直接注入共用轨道发动机（适合例如客车）的排气系统，其下游有1升氧化催化剂（95g/ft3，2:1重量比的铂和钯涂覆到350泡孔/平方英寸堇青石整体式穿流基材上），其中将过滤器定向以使得提供有预涂覆膜层的通道在过滤器的入口气体侧上。使用具有50ppm硫含量的标准柴油燃料。用于将脲溶液（AdBlue）注入废气中的脲注入器布置在氧化催化剂与过滤器之间。使用<10ppm硫的柴油燃料。在初始预热阶段之后，发动机在一系列发动机负荷下运行以实现所要的过滤器入口温度。所使用的试验条件如在表1中所示。“α”定义为NH3/NOx比。至于“0.7的α”，根据反应4NO+4NH3+3O2→4N2+6H2O和NO+NO2+2NH3→2N2+3H2O，理论最大NOx转化率为70%。使编程到发动机的发动机控制策略中的废气再循环阀门位置优先以关闭EGR，使得将在合理的期限内（代替小时）推断包括步骤3-5。全部系列的步骤1-5是一个紧接另一个地进行。
表1-NOx转化率和NH3漏失试验的实验协定
“新鲜”催化型过滤器的结果示于图10和图11中，其中可以看见实施例1的催化型过滤器的峰值NOx转化活性在所示的三个温度数据点中每一个下显著更好。对于NH3漏失试验，可以看见，与对比例2的催化型过滤器相比，实施例1的催化型过滤器的NH3更迟地漏失。这显示本发明的催化型过滤器具有比对比过滤器大的NH3储存容量，这对于促进低温下NOx转化是重要的。
老化样品的相应结果分别示于图12和图13中，其中，与对比例2的样品相比，实施例1的样品的NOx转化活性显著更好。在氨漏失方面也看见相同的延迟，这显示与新鲜样品相比较，在老化后，维持相同的优势。
根据作为整体的实施例的结果，可以看见，与使用常规现有技术的浸涂技术涂覆的相同壁流过滤器相比，根据本发明的具有用SCR催化剂涂覆的出口通道的MSC-111壁流过滤器样品显示更均匀的涂层分布，具有较低的烟灰负载背压和较大的NH3-SCR NOx转化率（新鲜和老化两者）和更大的NH3储存容量。
为了避免任何疑问，在本说明书中提到的各专利文献的全部内容都以引用的方式全部并入本文中。
Claims (24)
1.用包含催化剂组分的液体涂覆包括多个通道的蜂窝状整体式基材的方法，所述方法包括以下步骤：
（i）基本竖直地固持蜂窝状整体式基材；
（ii）经由在所述基材的下端的所述通道的开放末端向所述基材引入预定体积的所述液体；
（iii）将所引入的液体密封地保留在所述基材内；
（iv）使含有所保留的液体的所述基材反转；和
（v）对在所述基材的反转下端的所述基材的通道的开放末端施用真空以沿所述基材的通道吸出所述液体。
2.权利要求1的方法，其包括在步骤（i）和（ii）之间的从在所述基材的下端的所述通道的开放末端密封所述基材的外表面的步骤。
3.权利要求1或2的方法，其中，在步骤（v）中，保留所述液体的密封仅在施用所述真空之后除去。
4.权利要求1、2或3的方法，其中所述基材为过滤器。
5.用包含催化剂组分的液体涂覆包括多个通道的蜂窝状整体式基材的装置，所述装置包括：
（a）用于基本竖直地固持蜂窝状整体式基材的设备；
（b）用于经由在所述基材的下端的所述通道的开放末端向所述基材引入预定体积的所述液体的设备；
（c）用于将所引入的液体密封地保留在所述基材内的设备；
（d）用于反转含有所保留的液体的所述基材的设备；和
（e）用于对在所述基材的反转下端的所述基材的通道的开放末端施用真空以沿所述基材的通道吸出所述液体的设备。
6.权利要求5的装置，其中所述固持设备包括用于至少接纳所述基材的下端的外壳。
7.权利要求6的装置，其中所述固持设备包括布置在所述外壳的内表面上以与所述基材的外表面啮合的充气式卡圈。
8.权利要求5、6或7中任一项的装置，其中所述液体引入设备包括在气缸内往复的活塞。
9.权利要求8的装置，其中所述活塞在其中活塞头部邻接气缸头部的第一位置与其中所述气缸的内壁、所述气缸头部和活塞头部至少部分地限定排放体积的第二位置之间往复。
10.权利要求9的设备，其中所述活塞头部的表面在所述活塞处于所述第一位置时负载所述基材的下端。
11.权利要求8、9或10的装置，其中所述气缸的壳体包括用于供应液体到气缸缸膛的阀门。
12.权利要求8、9、10或11的装置，其中用于将所引入的液体密封地保留在所述基材内的所述设备包括所述活塞头部的表面。
13.权利要求12的装置，其中所述外壳、活塞和气缸由所述反转设备反转。
14.权利要求5-13中任一项的装置，其包括用于从在所述基材的下端的所述通道的开放末端密封所述基材的外表面的设备。
15.权利要求14的装置，当从属于权利要求7时，其中用于从在所述基材的下端的所述通道的开放末端密封所述基材的外表面的所述设备包括所述充气式卡圈。
16.权利要求5-15中任一项的装置，其中所述真空设备包括漏斗，其较宽末端用于接纳所述基材的反转末端。
17.权利要求5-16中任一项的装置，其包括用于控制所述装置以执行权利要求1-4中任一项的方法步骤的计算机操作的设备。
18.催化型壁流过滤器基材整料，所述壁流过滤器基材整料的制造商已经对其入口通道预涂覆包含细分散的耐火固体的表面膜层，其中出口通道包括催化剂洗涂料的轴向基本均匀的涂层分布，所述催化型壁流过滤器基材整料可通过权利要求1-4中任一项的方法获得。
19.催化型壁流过滤器基材整料，所述壁流过滤器基材整料的制造商已经对其入口通道预涂覆包含细分散的耐火固体的表面膜层，其中出口通道包括催化剂洗涂料的轴向基本均匀的涂层分布，其中在所述催化型壁流过滤器基材整料的轴向上游半部中洗涂料的装载量为其轴向下游半部中洗涂料装载量的10%。
20.权利要求18或19的催化型壁流过滤器基材整料，其中所述壁流过滤器基材整料在涂覆之前的孔隙率为40-80%。
21.权利要求18、19或20的催化型壁流过滤器基材整料，其中所述壁流过滤器基材整料在涂覆之前的平均孔隙体积为8-45μm。
22.权利要求18、19、20或21的催化型壁流过滤器基材整料，其中所述催化剂洗涂料为NOx捕集器、包含负载的铂族金属的催化型烟灰过滤器洗涂料或NH3-SCR催化剂。
23.权利要求22的催化型壁流过滤器基材整料，其中所述NH3-SCR催化剂包括过渡金属交换的沸石。
24.权利要求23的催化型壁流过滤器基材整料，其中所述过渡金属选自以下集合：铜、铁、铈和其中任意两种或更多种的混合物且所述沸石选自以下集合：镁碱沸石、CHA、BEA和MFI（ZSM-5）。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB1000019.8A GB201000019D0 (en) | 2010-01-04 | 2010-01-04 | Coating a monolith substrate with catalyst component |
| GB1000019.8 | 2010-01-04 | ||
| PCT/GB2011/050005 WO2011080525A1 (en) | 2010-01-04 | 2011-01-04 | Method of coating a monolith substrate with catalyst component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102781586A true CN102781586A (zh) | 2012-11-14 |
| CN102781586B CN102781586B (zh) | 2015-01-21 |
Family
ID=41795944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180008648.8A Active CN102781586B (zh) | 2010-01-04 | 2011-01-04 | 用催化剂组分涂覆整体式基材的方法 |
Country Status (18)
| Country | Link |
|---|---|
| US (3) | US8703236B2 (zh) |
| EP (3) | EP2889083A1 (zh) |
| JP (2) | JP5646649B2 (zh) |
| KR (1) | KR101789665B1 (zh) |
| CN (1) | CN102781586B (zh) |
| AR (1) | AR081146A1 (zh) |
| AU (1) | AU2011203392A1 (zh) |
| BR (1) | BR112012016574A2 (zh) |
| DE (1) | DE102011002449B4 (zh) |
| DK (1) | DK2521618T3 (zh) |
| GB (3) | GB201000019D0 (zh) |
| MX (1) | MX2012007828A (zh) |
| MY (1) | MY159963A (zh) |
| PL (1) | PL2521618T3 (zh) |
| RU (2) | RU2014151995A (zh) |
| SG (1) | SG182338A1 (zh) |
| WO (1) | WO2011080525A1 (zh) |
| ZA (1) | ZA201204800B (zh) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104838099A (zh) * | 2012-10-31 | 2015-08-12 | 庄信万丰股份有限公司 | 催化型烟灰过滤器 |
| CN104981301B (zh) * | 2013-06-03 | 2016-12-28 | 庄信万丰股份有限公司 | 利用催化剂组分涂覆衬底的方法 |
| CN106573198A (zh) * | 2014-07-07 | 2017-04-19 | 丰田自动车株式会社 | 制造载持催化剂的微粒过滤器的方法 |
| CN107107051A (zh) * | 2015-03-09 | 2017-08-29 | 株式会社科特拉 | 催化剂用浆料的涂布装置 |
| CN109070000A (zh) * | 2016-04-29 | 2018-12-21 | 庄信万丰股份有限公司 | 排气系统 |
| WO2021150830A1 (en) * | 2020-01-22 | 2021-07-29 | Basf Corporation | Devices and methods for radially-zoned catalyst coating |
Families Citing this family (152)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9144796B1 (en) * | 2009-04-01 | 2015-09-29 | Johnson Matthey Public Limited Company | Method of applying washcoat to monolithic substrate |
| BR112012019018B1 (pt) | 2010-02-01 | 2021-01-19 | Johnson Matthey Plc | filtro de fluxo de parede, sistema de escapamento para um veículo, e, processo para a fabricação de um filtro de fluxo de parede |
| GB201003781D0 (en) | 2010-03-08 | 2010-04-21 | Johnson Matthey Plc | Improvements in the control of vehicle emissions |
| GB201100595D0 (en) | 2010-06-02 | 2011-03-02 | Johnson Matthey Plc | Filtration improvements |
| CN102811846A (zh) * | 2010-12-07 | 2012-12-05 | 住友化学株式会社 | 蜂窝构造体的运送装置及蜂窝构造体的封口方法、以及蜂窝构造体的制造方法 |
| GB201110850D0 (en) | 2011-03-04 | 2011-08-10 | Johnson Matthey Plc | Catalyst and mehtod of preparation |
| WO2013017873A1 (en) | 2011-08-03 | 2013-02-07 | Johnson Matthey Plc | Extruded honeycomb catalyst |
| US20140363578A1 (en) * | 2011-09-29 | 2014-12-11 | Heesung Catalysts Corporation | Apparatus and method for quantitatively coating catalyst support |
| JP5938819B2 (ja) | 2011-10-06 | 2016-06-22 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニーＪｏｈｎｓｏｎ Ｍａｔｔｈｅｙ Ｐｕｂｌｉｃ Ｌｉｍｉｔｅｄ Ｃｏｍｐａｎｙ | 排気ガス処理用酸化触媒 |
| GB201200783D0 (en) | 2011-12-12 | 2012-02-29 | Johnson Matthey Plc | Substrate monolith comprising SCR catalyst |
| GB2497597A (en) | 2011-12-12 | 2013-06-19 | Johnson Matthey Plc | A Catalysed Substrate Monolith with Two Wash-Coats |
| GB201200784D0 (en) | 2011-12-12 | 2012-02-29 | Johnson Matthey Plc | Exhaust system for a lean-burn internal combustion engine including SCR catalyst |
| GB201200781D0 (en) | 2011-12-12 | 2012-02-29 | Johnson Matthey Plc | Exhaust system for a lean-burn ic engine comprising a pgm component and a scr catalyst |
| GB201207313D0 (en) | 2012-04-24 | 2012-06-13 | Johnson Matthey Plc | Filter substrate comprising three-way catalyst |
| GB2513364B (en) | 2013-04-24 | 2019-06-19 | Johnson Matthey Plc | Positive ignition engine and exhaust system comprising catalysed zone-coated filter substrate |
| KR20150023543A (ko) | 2012-06-01 | 2015-03-05 | 존슨 맛쎄이 퍼블릭 리미티드 컴파니 | 바나데이트를 포함하는 선택적 촉매 환원 벽유동형 필터 |
| GB2503243A (en) | 2012-06-18 | 2013-12-25 | Johnson Matthey Plc | Combined particulate filter and hydrocarbon trap |
| GB201221025D0 (en) | 2012-11-22 | 2013-01-09 | Johnson Matthey Plc | Zoned catalysed substrate monolith |
| US11326255B2 (en) * | 2013-02-07 | 2022-05-10 | Uchicago Argonne, Llc | ALD reactor for coating porous substrates |
| WO2014137794A1 (en) * | 2013-03-07 | 2014-09-12 | Cummins Ip, Inc | Particulate matter filter with catalytic elements |
| GB2512648B (en) | 2013-04-05 | 2018-06-20 | Johnson Matthey Plc | Filter substrate comprising three-way catalyst |
| JP2014210221A (ja) * | 2013-04-17 | 2014-11-13 | 株式会社キャタラー | Ｓｃｒ触媒および排ガス浄化触媒システム |
| EP3753626A1 (en) | 2013-04-24 | 2020-12-23 | Johnson Matthey Public Limited Company | Filter substrate comprising zone-coated catalyst washcoat |
| GB201315892D0 (en) | 2013-07-31 | 2013-10-23 | Johnson Matthey Plc | Zoned diesel oxidation catalyst |
| GB2518418A (en) | 2013-09-20 | 2015-03-25 | Johnson Matthey Plc | Electrically heated catalyst for a compression ignition engine |
| GB2520776A (en) * | 2013-12-02 | 2015-06-03 | Johnson Matthey Plc | Wall-flow filter comprising catalytic washcoat |
| GB201322842D0 (en) | 2013-12-23 | 2014-02-12 | Johnson Matthey Plc | Exhaust system for a compression ingition engine comprising a water absorbent material |
| GB201401115D0 (en) | 2014-01-23 | 2014-03-12 | Johnson Matthey Plc | Diesel oxidation catalyst and exhaust system |
| EP2921230B1 (en) | 2014-03-20 | 2017-03-08 | Umicore AG & Co. KG | Coating tool |
| GB201405277D0 (en) | 2014-03-25 | 2014-05-07 | Johnson Matthey Plc | Method for coating a filter substrate |
| GB201405868D0 (en) | 2014-04-01 | 2014-05-14 | Johnson Matthey Plc | Diesel oxidation catalyst with NOx adsorber activity |
| US9662636B2 (en) | 2014-04-17 | 2017-05-30 | Basf Corporation | Zoned catalyst composites |
| WO2016050269A1 (en) * | 2014-09-29 | 2016-04-07 | Umicore Ag & Co. Kg | Fast homogenous coating process |
| US20160121272A1 (en) * | 2014-10-31 | 2016-05-05 | Corning Incorporated | Inorganic membrane filter and methods thereof |
| GB201504986D0 (en) | 2015-02-13 | 2015-05-06 | Johnson Matthey Plc | Oxidation catalyst for treating a natural gas emission |
| WO2016128720A1 (en) | 2015-02-13 | 2016-08-18 | Johnson Matthey Public Limited Company | Exhaust system for a compression ignition engine having a capture region for volatilised platinum |
| GB2535466A (en) | 2015-02-16 | 2016-08-24 | Johnson Matthey Plc | Catalyst with stable nitric oxide (NO) oxidation performance |
| GB201504658D0 (en) | 2015-03-19 | 2015-05-06 | Johnson Matthey Plc | Exhaust system for a compression ignition engine having a capture face for volatilised platinum |
| WO2016153923A1 (en) * | 2015-03-20 | 2016-09-29 | Basf Corporation | Calcination module for a coating process |
| WO2016160700A1 (en) * | 2015-03-30 | 2016-10-06 | Basf Corporation | Multifunctional coating system and coating module for application of catalytic washcoat and/or solution to a substrate and methods thereof |
| DE102015207164B4 (de) * | 2015-04-21 | 2023-06-22 | Aktiebolaget Skf | Abdeckvorrichtung zur partiellen Abdeckung eines Lagerrings in einem Behandlungsbad und Verfahren zur partiellen Behandlung eines Lagerrings |
| GB2542654B (en) | 2015-06-28 | 2019-12-04 | Johnson Matthey Plc | Catalytic wall-flow filter having a membrane |
| GB2540350A (en) | 2015-07-09 | 2017-01-18 | Johnson Matthey Plc | Nitrogen oxides (NOx) storage catalyst |
| JP6128176B2 (ja) * | 2015-09-04 | 2017-05-17 | 株式会社明電舎 | 触媒固定装置 |
| DE102015115124A1 (de) | 2015-09-09 | 2017-03-09 | Umicore Ag & Co. Kg | Verwendung von Abstandshaltern im Beschichtungsverfahren |
| GB201517578D0 (en) | 2015-10-06 | 2015-11-18 | Johnson Matthey Plc | Passive nox adsorber |
| GB201517579D0 (en) | 2015-10-06 | 2015-11-18 | Johnson Matthey Plc | Passive nox adsorber |
| GB201517580D0 (en) | 2015-10-06 | 2015-11-18 | Johnson Matthey Plc | Exhaust system comprising a passive nox adsorber |
| GB201614705D0 (en) | 2016-08-31 | 2016-10-12 | Johnson Matthey Plc | Oxidation catalyst for a diesel engine exhaust |
| WO2017064498A1 (en) | 2015-10-14 | 2017-04-20 | Johnson Matthey Public Limited Company | Oxidation catalyst for a diesel engine exhaust |
| WO2017075191A1 (en) | 2015-10-30 | 2017-05-04 | Corning Incorporated | Inorganic membrane filtration articles and methods thereof |
| GB201521123D0 (en) | 2015-11-30 | 2016-01-13 | Johnson Matthey Plc | Diesel oxidation catalyst having a capture region for exhaust gas impurities |
| GB2545747A (en) | 2015-12-24 | 2017-06-28 | Johnson Matthey Plc | Gasoline particulate filter |
| CN108495718B (zh) | 2016-01-08 | 2021-09-24 | 庄信万丰股份有限公司 | 用于涂布整体式基材的端表面的方法和设备 |
| DK3419755T3 (da) * | 2016-02-24 | 2020-11-02 | Haldor Topsoe As | Fremgangsmåde til fremstilling af en katalyseret monolit |
| US10099212B2 (en) * | 2016-03-15 | 2018-10-16 | Cummins Emission Solutions Inc. | Hydrocarbon storage optimization and coking prevention on an oxidation catalyst |
| CA3017066A1 (en) * | 2016-04-11 | 2017-10-19 | Johnson Matthey Public Limited Company | Method of coating a substrate with a particle stabilized foam |
| US10125646B2 (en) | 2016-04-13 | 2018-11-13 | Johnson Matthey Public Limited Company | Exhaust system for a diesel engine |
| GB2551623A (en) | 2016-04-22 | 2017-12-27 | Johnson Matthey Plc | Methods of producing SAPO-56, an AFX-containing molecular sieve |
| CN109475855A (zh) * | 2016-05-11 | 2019-03-15 | 巴斯夫公司 | 适用于感应加热的含磁性材料的催化剂组合物 |
| WO2018011552A1 (en) | 2016-07-12 | 2018-01-18 | Johnson Matthey Public Limited Company | Oxidation catalyst for a stoichiometric natural gas engine |
| DE202016103832U1 (de) | 2016-07-15 | 2017-10-18 | Umicore Ag & Co. Kg | Mehrfachbeschichtungswerkzeug |
| JP6244421B1 (ja) * | 2016-07-27 | 2017-12-06 | 株式会社キャタラー | 排ガス浄化用触媒の製造方法及び製造装置 |
| GB2552546A (en) | 2016-07-29 | 2018-01-31 | Johnson Matthey Plc | Oxidation catalyst for a compression ignition engine and a method of preparation therefor |
| EP3493906A1 (en) | 2016-08-05 | 2019-06-12 | Johnson Matthey Public Limited Company | Diesel oxidation catalyst having a capture region for sulfur containing impurities |
| GB201613849D0 (en) | 2016-08-12 | 2016-09-28 | Johnson Matthey Plc | Exhaust system for a compression ignition engine having a capture region for volatilised platinum |
| GB201614677D0 (en) | 2016-08-30 | 2016-10-12 | Johnson Matthey Plc | Oxidation catalyst for a diesel engine exhaust |
| GB201615134D0 (en) | 2016-09-06 | 2016-10-19 | Johnson Matthey Plc | Diesel oxidation catalyst with NOx adsorber activity |
| GB201615136D0 (en) | 2016-09-06 | 2016-10-19 | Johnson Matthey Plc | Diesel oxidation catalyst with NOx adsorber activity |
| GB201617350D0 (en) | 2016-10-13 | 2016-11-30 | Johnson Matthey Public Limited Company | Oxidation catalyst for a diesel engine exhaust |
| GB201617349D0 (en) | 2016-10-13 | 2016-11-30 | Johnson Matthey Public Limited Company | Oxidation catalyst for hydrocarbons produced by an internal combustion engine |
| GB201616269D0 (en) | 2016-09-26 | 2016-11-09 | Johnson Matthey Public Limited Company | Oxidation catalyst for a diesel engine exhaust |
| GB2558371B (en) | 2016-10-28 | 2021-08-18 | Johnson Matthey Plc | Catalytic wall-flow filter with partial surface coating |
| DE102018106329A1 (de) | 2017-03-20 | 2018-09-20 | Johnson Matthey Public Limited Company | SCRF mit rückwärtigem Auf-Wand-Design |
| GB2562160B (en) | 2017-03-20 | 2021-06-23 | Johnson Matthey Plc | Catalytic wall-flow filter with an ammonia slip catalyst |
| GB201705289D0 (en) | 2017-03-31 | 2017-05-17 | Johnson Matthey Catalysts (Germany) Gmbh | Selective catalytic reduction catalyst |
| GB201705279D0 (en) | 2017-03-31 | 2017-05-17 | Johnson Matthey Plc | Selective catalytic reduction catalyst |
| GB2561834A (en) | 2017-04-24 | 2018-10-31 | Johnson Matthey Plc | Passive NOx adsorber |
| EP3424595B1 (en) | 2017-07-06 | 2023-05-10 | Umicore Ag & Co. Kg | Coating apparatus and method |
| EP3424596A1 (en) | 2017-07-06 | 2019-01-09 | Umicore Ag & Co. Kg | Method for coating a monolith carrier |
| DE102017115138A1 (de) * | 2017-07-06 | 2019-01-10 | Umicore Ag & Co. Kg | Kontaktlose Nivellierung einer Washcoatsuspension |
| WO2019042911A1 (en) | 2017-08-29 | 2019-03-07 | Rhodia Operations | USE OF A MIXED OXIDE TO ABSORB NOX |
| CN111132759B (zh) | 2017-10-12 | 2023-04-18 | 庄信万丰股份有限公司 | 具有改善热稳定性的用于汽油废气应用的twc催化剂 |
| GB201721521D0 (en) | 2017-12-21 | 2018-02-07 | Johnson Matthey Japan Godo Kaisha | Oxidation catalyst for a diesel engine exhaust |
| GB201721527D0 (en) | 2017-12-21 | 2018-02-07 | Johnson Matthey Japan Godo Kaisha | Oxidation catalyst for a diesel engine exhaust |
| JP6526846B1 (ja) * | 2018-01-12 | 2019-06-05 | エヌ・イーケムキャット株式会社 | 排ガス浄化触媒及びその製造方法 |
| DE102018100834A1 (de) | 2018-01-16 | 2019-07-18 | Umicore Ag & Co. Kg | Verfahren zur Herstellung eines SCR-Katalysators |
| DE102018100833A1 (de) | 2018-01-16 | 2019-07-18 | Umicore Ag & Co. Kg | Verfahren zur Herstellung eines SCR-Katalysators |
| DE102018108346A1 (de) | 2018-04-09 | 2019-10-10 | Umicore Ag & Co. Kg | Beschichteter Wandflussfilter |
| DE102018110804B4 (de) | 2018-05-04 | 2024-06-27 | Umicore Ag & Co. Kg | Beschichteter Wandflussfilter |
| DE102018111246A1 (de) | 2018-05-09 | 2019-11-14 | Umicore Ag & Co. Kg | Verfahren zum Beschichten eines Wandflussfilters |
| JP7443370B2 (ja) | 2018-08-24 | 2024-03-05 | ローディア オペレーションズ | マイクロポーラスアルミノチタノシリケート結晶性ゼオライト、その調製方法及び利用 |
| DE102018127957A1 (de) | 2018-11-08 | 2020-05-14 | Umicore Ag & Co. Kg | Partikelfilter mit mehreren Beschichtungen |
| DE102018127953B4 (de) | 2018-11-08 | 2025-03-20 | Umicore Ag & Co. Kg | Wandflussfilter mit hoher Filtrationseffizienz |
| DE102018127955A1 (de) | 2018-11-08 | 2020-05-14 | Umicore Ag & Co. Kg | Katalytisch aktiver Partikelfilter mit hoher Filtrationseffizienz |
| GB201819416D0 (en) | 2018-11-29 | 2019-01-16 | Johnson Matthey Plc | Method |
| GB201819454D0 (en) | 2018-11-29 | 2019-01-16 | Johnson Matthey Plc | Apparatus and method for coating substrates with washcoats |
| GB201819455D0 (en) | 2018-11-29 | 2019-01-16 | Johnson Matthey Plc | Apparatus and method for coating substrates with washcoats |
| US11278874B2 (en) | 2018-11-30 | 2022-03-22 | Johnson Matthey Public Limited Company | Enhanced introduction of extra-framework metal into aluminosilicate zeolites |
| DE102019103765B4 (de) * | 2019-02-14 | 2023-01-12 | Umicore Ag & Co. Kg | Verfahren zur Herstellung von Autoabgaskatalysatoren |
| GB201903006D0 (en) | 2019-03-06 | 2019-04-17 | Johnson Matthey Plc | Lean nox trap catalyst |
| WO2020198550A1 (en) | 2019-03-28 | 2020-10-01 | Johnson Matthey Public Limited Company | Fluid feed ring and associated apparatus and method |
| GB2578239A (en) * | 2019-03-28 | 2020-04-22 | Johnson Matthey Plc | Methods of coating a metal foil flow-through substrate with one or more washcoat slurries |
| KR102165633B1 (ko) * | 2019-04-05 | 2020-10-14 | 희성촉매 주식회사 | 배기가스 정화용 촉매 필터의 촉매 슬러리 정량 코팅 방법 |
| US11845064B2 (en) | 2019-06-26 | 2023-12-19 | Johnson Matthey Public Limited Company | Composite, zoned oxidation catalyst for a compression ignition internal combustion engine |
| GB201914958D0 (en) | 2019-06-26 | 2019-11-27 | Johnson Matthey Plc | Composite, zoned oxidation catalyst for a compression ignition internal combustion engine |
| DE102019121084A1 (de) | 2019-08-05 | 2021-02-11 | Umicore Ag & Co. Kg | Katalysatorsubstrate mit poröser Beschichtung |
| US11808190B2 (en) | 2019-08-08 | 2023-11-07 | Johnson Matthey Public Limited Company | System comprising vehicular compression ignition engine and an emissions control device comprising an electrically heatable element |
| EP3888774A1 (en) | 2020-03-31 | 2021-10-06 | Johnson Matthey Public Limited Company | Composite, zone-coated oxidation and exotherm generation catalyst |
| EP4045176B8 (en) | 2019-10-16 | 2024-04-03 | Johnson Matthey Public Limited Company | Composite, zone-coated, dual-use ammonia (amox) and nitric oxide oxidation catalyst |
| EP4283100A3 (en) | 2019-10-16 | 2024-02-28 | Johnson Matthey Public Limited Company | Composite, zoned oxidation catalyst for a compression ignition internal combustion engine |
| GB202004769D0 (en) | 2019-10-16 | 2020-05-13 | Johnson Matthey Plc | Composite, zoned oxidation catalyst for a compression ignition internal combustion engine |
| EP3834933B8 (en) * | 2019-12-10 | 2024-03-27 | Johnson Matthey Public Limited Company | Apparatus and method for coating substrates with washcoats |
| EP3834936B1 (en) * | 2019-12-10 | 2022-06-29 | Johnson Matthey Public Limited Company | Apparatus and method for coating substrates with washcoats |
| DE102020103292A1 (de) | 2020-02-10 | 2021-08-12 | Umicore Ag & Co. Kg | Verwendung von Ultraschall zur Reinigung von Wandflussfiltersubstraten |
| US11111578B1 (en) | 2020-02-13 | 2021-09-07 | Uchicago Argonne, Llc | Atomic layer deposition of fluoride thin films |
| DE102020131366A1 (de) | 2020-11-26 | 2022-06-02 | Umicore Ag & Co. Kg | Abgasreinigungssystem für stöchiometrisch betriebene Verbrennungsmotoren |
| EP4015064B1 (de) | 2020-12-15 | 2025-01-22 | Umicore AG & Co. KG | Katalytisch aktiver partikelfilter mit hoher filtrationseffizienz |
| EP4015067A1 (de) | 2020-12-15 | 2022-06-22 | UMICORE AG & Co. KG | Katalytisch aktiver partikelfilter mit hoher filtrationseffizienz |
| EP4015066A1 (de) * | 2020-12-15 | 2022-06-22 | UMICORE AG & Co. KG | Katalytisch aktiver partikelfilter mit hoher filtrationseffizienz |
| EP4015065B1 (de) | 2020-12-15 | 2025-02-26 | Umicore AG & Co. KG | Katalytisch aktiver partikelfilter mit hoher filtrationseffizienz |
| DE102021107130B4 (de) | 2021-03-23 | 2022-12-29 | Umicore Ag & Co. Kg | Vorrichtung zur Erhöhung der Frischfiltration von Benzinpartikelfiltern |
| US11759770B2 (en) | 2021-04-26 | 2023-09-19 | Johnson Matthey Public Limited Company | Passive NOx adsorber |
| CN113352443B (zh) * | 2021-05-31 | 2022-11-18 | 济源市中特陶瓷材料有限公司 | 一种用于特种陶瓷制作的可精细化粉料的胚料埋粉装置 |
| DE202021103624U1 (de) | 2021-07-06 | 2022-10-14 | Umicore Ag & Co. Kg | WC Applikator |
| DE102021125536A1 (de) | 2021-10-01 | 2023-04-06 | Umicore Ag & Co. Kg | Katalytisch aktiver Partikelfilter mit hoher Filtrationseffizienz |
| EP4159310A1 (en) | 2021-10-01 | 2023-04-05 | UMICORE AG & Co. KG | Catalytic coating |
| US12065738B2 (en) | 2021-10-22 | 2024-08-20 | Uchicago Argonne, Llc | Method of making thin films of sodium fluorides and their derivatives by ALD |
| DE202021106828U1 (de) | 2021-12-15 | 2023-03-24 | Umicore Ag & Co. Kg | Beschichtungskammer |
| TW202330102A (zh) | 2021-12-20 | 2023-08-01 | 英商強生麥特公司 | 用於處理天然氣引擎產生之廢氣的催化性材料 |
| JP2024544911A (ja) | 2021-12-20 | 2024-12-05 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニー | 天然ガスエンジンによって生成される排気ガスを処理するための触媒材料 |
| EP4201518A1 (en) * | 2021-12-24 | 2023-06-28 | BASF Corporation | Method and apparatus for production-scale platinum-group-metal deposition |
| US11901169B2 (en) | 2022-02-14 | 2024-02-13 | Uchicago Argonne, Llc | Barrier coatings |
| JP7644039B2 (ja) * | 2022-02-14 | 2025-03-11 | 株式会社キャタラー | 排ガス浄化触媒の製造方法 |
| EP4230850B1 (en) | 2022-02-18 | 2025-06-25 | Johnson Matthey Public Limited Company | Exhaust system for an ammonia-burning combustion engine |
| AU2023222254A1 (en) | 2022-02-18 | 2024-07-11 | Johnson Matthey Public Limited Company | Exhaust system for an ammonia-burning combustion engine |
| DE202022000455U1 (de) | 2022-02-22 | 2022-03-02 | Umicore Ag & Co. Kg | Beschichtungshut |
| KR20230139803A (ko) | 2022-03-28 | 2023-10-05 | 주식회사 퀀텀캣 | 다공성 지지체에 함입된 금 나노입자 촉매 코팅층를 포함하는 다공성 복합 구조체 촉매 |
| EP4501452A4 (en) | 2022-03-28 | 2025-07-23 | Quantum Cat Co Ltd | CATALYST WITH A POROUS COMPOSITE STRUCTURE COMPRISING A CATALYST COATING LAYER OF GOLD NANOPARTICLES IMPREGNATED IN A POROUS SUPPORT |
| EP4299194A1 (en) | 2022-06-29 | 2024-01-03 | Umicore AG & Co. KG | Coating apparatus |
| DE102022002854A1 (de) | 2022-08-05 | 2024-02-08 | Umicore Ag & Co. Kg | Katalytisch aktiver Partikelfilter mit hoher Filtrationseffizienz und Oxidationsfunktion |
| DE102022121499A1 (de) | 2022-08-25 | 2024-03-07 | Umicore Ag & Co. Kg | Applikator zum Auftragen von Beschichtungsmedium auf Substrate |
| EP4378566A1 (en) | 2022-11-29 | 2024-06-05 | Johnson Matthey Public Limited Company | Improved catalytic wall-flow filter |
| WO2024128148A1 (ja) * | 2022-12-12 | 2024-06-20 | 三井金属鉱業株式会社 | 構造体製造装置および構造体製造方法 |
| EP4400202A1 (en) * | 2023-01-16 | 2024-07-17 | Johnson Matthey Public Limited Company | Coatings on a monolith article |
| GB2626946A (en) * | 2023-02-07 | 2024-08-14 | Salts Healthcare Ltd | A filter |
| EP4424407A1 (en) | 2023-02-28 | 2024-09-04 | Umicore AG & Co. KG | Gpf with improved washcoat distribution |
| DE202023100970U1 (de) | 2023-03-01 | 2023-03-16 | Umicore Ag & Co. Kg | Beschichtungsvorrichtung |
| DE102023204992B3 (de) | 2023-05-26 | 2024-11-14 | Audi Aktiengesellschaft | Antriebseinrichtung für ein Kraftfahrzeug sowie ein entsprechendes Verfahren zum Betreiben einer Antriebseinrichtung |
| US20250146433A1 (en) | 2023-11-06 | 2025-05-08 | Johnson Matthey Public Limited Company | Catalytic partial wall-flow filter |
| DE102023132075A1 (de) * | 2023-11-17 | 2025-05-22 | Umicore Ag & Co. Kg | Katalytischer Partikelfilter |
| EP4570360A1 (en) | 2023-12-14 | 2025-06-18 | Johnson Matthey Public Limited Company | Low pgm loaded diesel oxidation catalyst for exotherm generation |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1832794A (zh) * | 2003-08-05 | 2006-09-13 | 恩格哈德公司 | 排放处理系统和使用scr过滤器的方法 |
| US20090193796A1 (en) * | 2008-02-05 | 2009-08-06 | Basf Catalysts Llc | Gasoline engine emissions treatment systems having particulate traps |
Family Cites Families (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2639052A (en) * | 1948-08-03 | 1953-05-19 | Gebauer | Means for dispensing liquids |
| DE10020170C1 (de) | 2000-04-25 | 2001-09-06 | Emitec Emissionstechnologie | Verfahren zum Entfernen von Rußpartikeln aus einem Abgas und zugehöriges Auffangelement |
| US4142864A (en) * | 1977-05-31 | 1979-03-06 | Engelhard Minerals & Chemicals Corporation | Catalytic apparatus |
| US4171288A (en) * | 1977-09-23 | 1979-10-16 | Engelhard Minerals & Chemicals Corporation | Catalyst compositions and the method of manufacturing them |
| US4550034A (en) * | 1984-04-05 | 1985-10-29 | Engelhard Corporation | Method of impregnating ceramic monolithic structures with predetermined amounts of catalyst |
| US4609563A (en) * | 1985-02-28 | 1986-09-02 | Engelhard Corporation | Metered charge system for catalytic coating of a substrate |
| FR2622126B1 (fr) | 1987-10-21 | 1991-06-14 | Procatalyse Ste Fse Produits C | Catalyseur pour le traitement des gaz d'echappement des moteurs a combustion interne et procede de fabrication de ce catalyseur |
| DK0543797T3 (da) * | 1989-11-16 | 1995-08-21 | N E Chemcat Corp | Fremgangsmåde og apparat til at holde et emne |
| DE4409142C2 (de) * | 1994-03-17 | 1996-03-28 | Degussa | Verfahren zum Aufbringen einer Beschichtung auf die Wabenkörper eines Abgaskonverters und Verwendung des Abgaskonverters für die Abgasreinigung von Verbrennungsmaschinen |
| US20010026838A1 (en) * | 1996-06-21 | 2001-10-04 | Engelhard Corporation | Monolithic catalysts and related process for manufacture |
| US5953832A (en) * | 1998-04-28 | 1999-09-21 | Engelhard Corporation | Method for drying a coated substrate |
| US5897846A (en) * | 1997-01-27 | 1999-04-27 | Asec Manufacturing | Catalytic converter having a catalyst with noble metal on molecular sieve crystal surface and method of treating diesel engine exhaust gas with same |
| DE19810260C2 (de) * | 1998-03-10 | 2000-02-24 | Degussa | Verfahren zum Beschichten der Strömungskanäle eines wabenförmigen Katalysatorkörpers mit einer Dispersionsbeschichtung |
| GB9805815D0 (en) * | 1998-03-19 | 1998-05-13 | Johnson Matthey Plc | Manufacturing process |
| ATE236700T1 (de) | 1998-07-07 | 2003-04-15 | Corning Inc | Dieselabgasfilter |
| FI107828B (fi) | 1999-05-18 | 2001-10-15 | Kemira Metalkat Oy | Dieselmoottoreiden pakokaasujen puhdistusjärjestelmä ja menetelmä dieselmoottoreiden pakokaasujen puhdistamiseksi |
| US6478874B1 (en) * | 1999-08-06 | 2002-11-12 | Engelhard Corporation | System for catalytic coating of a substrate |
| DE10014547B4 (de) * | 2000-03-23 | 2005-09-29 | Umicore Ag & Co. Kg | Verfahren zum teilweisen Beschichten eines Tragkörpers |
| JP4368491B2 (ja) * | 2000-03-29 | 2009-11-18 | 株式会社キャタラー | 触媒用スラリーのコート装置 |
| RU2164442C1 (ru) * | 2000-08-03 | 2001-03-27 | ИВАНОВ Аркадий Александрович | Способ очистки отработавших газов и способ получения блочного носителя или фильтра организованной структуры для катализатора |
| EP1273344B1 (de) * | 2001-06-30 | 2005-08-31 | Umicore AG & Co. KG | Verfahren zum Beschichten eines Tragkörpers |
| DE60218974T2 (de) | 2002-01-02 | 2007-12-20 | Cataler Corp. | Vorrichtung zum Beschichten mit einer katalytischen Beschichtunglösung und Verfahren zur Herstellung eines Katalysators für die Reinigung von Abgasen |
| CN1178749C (zh) | 2002-05-31 | 2004-12-08 | 中国石油化工股份有限公司 | 一种在蜂窝载体上涂覆活性组分的方法 |
| US20040001781A1 (en) | 2002-06-27 | 2004-01-01 | Engelhard Corporation | Multi-zone catalytic converter |
| US7521087B2 (en) | 2002-08-27 | 2009-04-21 | Basf Catalysts Llc | Method for catalyst coating of a substrate |
| JP2004167460A (ja) * | 2002-11-22 | 2004-06-17 | Nissan Motor Co Ltd | 排ガス浄化用触媒の製造方法 |
| GB0304939D0 (en) | 2003-03-05 | 2003-04-09 | Johnson Matthey Plc | Light-duty diesel engine and a particulate filter therefor |
| JP4546171B2 (ja) * | 2004-07-08 | 2010-09-15 | 株式会社キャタラー | 基材コーティング方法 |
| JP5161458B2 (ja) | 2004-09-02 | 2013-03-13 | イビデン株式会社 | ハニカム構造体の製造方法 |
| DE102005024124A1 (de) * | 2005-05-25 | 2006-11-30 | Süd-Chemie AG | Verfahren und Vorrichtung zum Auftragen von Washcoat-Suspensionen auf einen Wabenkörper und deren Verwendung |
| JP2007144371A (ja) * | 2005-11-30 | 2007-06-14 | Toyota Motor Corp | 排ガス浄化用触媒及びその製造方法 |
| GB0607851D0 (en) | 2006-04-24 | 2006-05-31 | Johnson Matthey Plc | Particulate matter generator |
| EP2158956B1 (en) | 2007-04-27 | 2014-10-08 | NGK Insulators, Ltd. | Honeycomb filter |
| JP4972578B2 (ja) * | 2008-02-15 | 2012-07-11 | 東京濾器株式会社 | 排ガス浄化用触媒の製造方法 |
| BRPI0915883A2 (pt) | 2008-07-10 | 2015-11-03 | Water Security Corp | filtro com resina iodada e indicador da vida-útil do filtro |
| US7772620B2 (en) | 2008-07-25 | 2010-08-10 | Suvolta, Inc. | Junction field effect transistor using a silicon on insulator architecture |
| EP2364200A1 (en) | 2008-11-26 | 2011-09-14 | Corning Incorporated | Coated particulate filter and method |
| DE102009009579B4 (de) * | 2009-02-19 | 2015-01-08 | Chemisch-Thermische Prozesstechnik Gmbh | Verfahren zum Beschichten der Kanäle eines Wabenkörpers, Vorrichtung zur Durchführung des Verfahrens und Verwendung des beschichteten Wabenkörpers |
| US9662611B2 (en) * | 2009-04-03 | 2017-05-30 | Basf Corporation | Emissions treatment system with ammonia-generating and SCR catalysts |
| EP2501464B1 (en) * | 2009-11-20 | 2018-02-28 | Basf Se | Zoned catalyzed soot filter |
| US9120056B2 (en) * | 2010-02-16 | 2015-09-01 | Ford Global Technologies, Llc | Catalyst assembly for treating engine exhaust |
-
2010
- 2010-01-04 GB GBGB1000019.8A patent/GB201000019D0/en not_active Ceased
-
2011
- 2011-01-04 PL PL11702492T patent/PL2521618T3/pl unknown
- 2011-01-04 EP EP14199714.8A patent/EP2889083A1/en not_active Withdrawn
- 2011-01-04 EP EP11702492.7A patent/EP2521618B8/en active Active
- 2011-01-04 RU RU2014151995/04A patent/RU2014151995A/ru not_active Application Discontinuation
- 2011-01-04 AU AU2011203392A patent/AU2011203392A1/en not_active Abandoned
- 2011-01-04 SG SG2012049243A patent/SG182338A1/en unknown
- 2011-01-04 BR BR112012016574A patent/BR112012016574A2/pt active IP Right Grant
- 2011-01-04 WO PCT/GB2011/050005 patent/WO2011080525A1/en active Application Filing
- 2011-01-04 GB GB1203268.6A patent/GB2487847B8/en active Active
- 2011-01-04 EP EP13174041.7A patent/EP2659976B8/en active Active
- 2011-01-04 GB GB1100047.8A patent/GB2477602B8/en active Active
- 2011-01-04 US US12/984,290 patent/US8703236B2/en active Active
- 2011-01-04 MY MYPI2012003018A patent/MY159963A/en unknown
- 2011-01-04 RU RU2012133433/04A patent/RU2541575C2/ru active
- 2011-01-04 DE DE102011002449.2A patent/DE102011002449B4/de active Active
- 2011-01-04 JP JP2012546507A patent/JP5646649B2/ja active Active
- 2011-01-04 MX MX2012007828A patent/MX2012007828A/es active IP Right Grant
- 2011-01-04 CN CN201180008648.8A patent/CN102781586B/zh active Active
- 2011-01-04 KR KR1020127020531A patent/KR101789665B1/ko active Active
- 2011-01-04 DK DK11702492.7T patent/DK2521618T3/da active
- 2011-01-05 AR ARP110100019A patent/AR081146A1/es unknown
-
2012
- 2012-06-27 ZA ZA2012/04800A patent/ZA201204800B/en unknown
-
2014
- 2014-03-06 US US14/199,323 patent/US9415365B2/en active Active
- 2014-10-30 JP JP2014221418A patent/JP5883909B2/ja active Active
-
2016
- 2016-07-18 US US15/212,354 patent/US20160325272A1/en not_active Abandoned
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1832794A (zh) * | 2003-08-05 | 2006-09-13 | 恩格哈德公司 | 排放处理系统和使用scr过滤器的方法 |
| US20090193796A1 (en) * | 2008-02-05 | 2009-08-06 | Basf Catalysts Llc | Gasoline engine emissions treatment systems having particulate traps |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104838099A (zh) * | 2012-10-31 | 2015-08-12 | 庄信万丰股份有限公司 | 催化型烟灰过滤器 |
| CN104981301B (zh) * | 2013-06-03 | 2016-12-28 | 庄信万丰股份有限公司 | 利用催化剂组分涂覆衬底的方法 |
| CN106573198A (zh) * | 2014-07-07 | 2017-04-19 | 丰田自动车株式会社 | 制造载持催化剂的微粒过滤器的方法 |
| CN106573198B (zh) * | 2014-07-07 | 2019-10-08 | 丰田自动车株式会社 | 制造载持催化剂的微粒过滤器的方法 |
| CN107107051A (zh) * | 2015-03-09 | 2017-08-29 | 株式会社科特拉 | 催化剂用浆料的涂布装置 |
| CN109070000A (zh) * | 2016-04-29 | 2018-12-21 | 庄信万丰股份有限公司 | 排气系统 |
| WO2021150830A1 (en) * | 2020-01-22 | 2021-07-29 | Basf Corporation | Devices and methods for radially-zoned catalyst coating |
| CN115209995A (zh) * | 2020-01-22 | 2022-10-18 | 巴斯夫公司 | 用于涂覆径向分区催化剂的装置和方法 |
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102781586A (zh) | 用催化剂组分涂覆整体式基材的方法 | |
| US20180361364A1 (en) | Filter for filtering particulate matter from exhaust gas emitted from a compression ignition engine | |
| CN103384564B (zh) | 制造催化微粒过滤器的方法及催化微粒过滤器 | |
| CN111936234A (zh) | 经涂覆的壁流式过滤器 | |
| CN103796757B (zh) | 催化颗粒过滤器及涂覆颗粒过滤器的方法 | |
| CA2903181C (en) | Urea hydrolysis reactor for selective catalytic reduction | |
| CN103958033A (zh) | 废气后处理系统、用于所述系统的催化剂及其制备方法 | |
| JP2019505363A (ja) | 触媒及び触媒を調製するための方法 | |
| CN103796756B (zh) | 涂覆催化颗粒过滤器以及颗粒过滤器的方法 | |
| RU2606185C2 (ru) | Способ нанесения покрытия на катализированный фильтр твердых частиц и фильтр твердых частиц | |
| HK1178482B (zh) | 用催化剂组分涂覆整体式基材的方法 | |
| BR112012016574B1 (pt) | Método e aparelho para revestir um substrato monolítico alveolar, e, monólito do substrato de filtro de fluxo de parede catalisado |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1178482 Country of ref document: HK |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1178482 Country of ref document: HK |