KR20130109980A - NOx 환원을 위한 신규한 금속―함유 제올라이트 베타 - Google Patents
NOx 환원을 위한 신규한 금속―함유 제올라이트 베타 Download PDFInfo
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- KR20130109980A KR20130109980A KR1020127033505A KR20127033505A KR20130109980A KR 20130109980 A KR20130109980 A KR 20130109980A KR 1020127033505 A KR1020127033505 A KR 1020127033505A KR 20127033505 A KR20127033505 A KR 20127033505A KR 20130109980 A KR20130109980 A KR 20130109980A
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- zeolite beta
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- 239000010457 zeolite Substances 0.000 title claims abstract description 114
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 229910021536 Zeolite Inorganic materials 0.000 title claims abstract description 89
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 46
- 239000002184 metal Substances 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 claims abstract description 47
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 39
- 229910052742 iron Inorganic materials 0.000 claims abstract description 27
- 239000007789 gas Substances 0.000 claims abstract description 23
- 229910052802 copper Inorganic materials 0.000 claims abstract description 18
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000010531 catalytic reduction reaction Methods 0.000 claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 230000001939 inductive effect Effects 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 60
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 54
- 239000000463 material Substances 0.000 claims description 43
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 28
- 239000000377 silicon dioxide Substances 0.000 claims description 24
- 238000003786 synthesis reaction Methods 0.000 claims description 19
- 239000010949 copper Substances 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 17
- 230000015572 biosynthetic process Effects 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 229910021529 ammonia Inorganic materials 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 238000005342 ion exchange Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 7
- 239000012634 fragment Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 239000013078 crystal Substances 0.000 claims description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 5
- 238000005470 impregnation Methods 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 4
- 239000004202 carbamide Substances 0.000 claims description 3
- 150000001768 cations Chemical class 0.000 claims description 3
- 239000007791 liquid phase Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000008188 pellet Substances 0.000 claims description 3
- 150000002430 hydrocarbons Chemical class 0.000 claims description 2
- 239000004005 microsphere Substances 0.000 claims description 2
- 230000002194 synthesizing effect Effects 0.000 claims description 2
- 230000001747 exhibiting effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 150000002739 metals Chemical class 0.000 abstract description 4
- 239000000047 product Substances 0.000 description 22
- 239000000243 solution Substances 0.000 description 16
- 238000001914 filtration Methods 0.000 description 14
- 238000005406 washing Methods 0.000 description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 238000001035 drying Methods 0.000 description 10
- 239000000499 gel Substances 0.000 description 9
- 239000011734 sodium Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000002441 X-ray diffraction Methods 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 229910052708 sodium Inorganic materials 0.000 description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 5
- 230000001965 increasing effect Effects 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 5
- 229910052680 mordenite Inorganic materials 0.000 description 5
- 229910002027 silica gel Inorganic materials 0.000 description 5
- 239000000741 silica gel Substances 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 229910001388 sodium aluminate Inorganic materials 0.000 description 4
- 238000010025 steaming Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000002178 crystalline material Substances 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000001000 micrograph Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 229940073455 tetraethylammonium hydroxide Drugs 0.000 description 3
- LRGJRHZIDJQFCL-UHFFFAOYSA-M tetraethylazanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CC LRGJRHZIDJQFCL-UHFFFAOYSA-M 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- JJLJMEJHUUYSSY-UHFFFAOYSA-L Copper hydroxide Chemical compound [OH-].[OH-].[Cu+2] JJLJMEJHUUYSSY-UHFFFAOYSA-L 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- -1 ammonium salts of Cl Chemical class 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 229940076286 cupric acetate Drugs 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 239000003981 vehicle Substances 0.000 description 2
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 229910002060 Fe-Cr-Al alloy Inorganic materials 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 230000010757 Reduction Activity Effects 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- VZTDIZULWFCMLS-UHFFFAOYSA-N ammonium formate Chemical compound [NH4+].[O-]C=O VZTDIZULWFCMLS-UHFFFAOYSA-N 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 229910052878 cordierite Inorganic materials 0.000 description 1
- 229960003280 cupric chloride Drugs 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 238000011026 diafiltration Methods 0.000 description 1
- KDSGPAZGWJOGTA-UHFFFAOYSA-M dibenzyl(dimethyl)azanium;hydroxide Chemical compound [OH-].C=1C=CC=CC=1C[N+](C)(C)CC1=CC=CC=C1 KDSGPAZGWJOGTA-UHFFFAOYSA-M 0.000 description 1
- 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 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
- 239000006185 dispersion Substances 0.000 description 1
- 229960002089 ferrous chloride Drugs 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000011085 pressure filtration Methods 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000004760 silicates 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
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 235000019795 sodium metasilicate Nutrition 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 1
- 238000002211 ultraviolet spectrum Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- 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
- B01J29/7615—Zeolite Beta
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
- C01B39/46—Other types characterised by their X-ray diffraction pattern and their defined composition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20738—Iron
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20761—Copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/50—Zeolites
- B01D2255/502—Beta zeolites
-
- 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
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/10—After treatment, characterised by the effect to be obtained
- B01J2229/18—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
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- Life Sciences & Earth Sciences (AREA)
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- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
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- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
Description
도 1은, 본 개시내용에 따른 샘플 및 비교 샘플 상에서, 밸런스 공기가 있는 10% 증기에서 16시간 동안 700℃에서 증기로 쐬어진 Fe-베타 물질 상에서의 NO 전환을 보여주는 그래프이다.
도 2는 실시예 1의 X-선 회절 패턴이다.
도 3은 실시예 3의 X-선 회절 패턴이다.
도 4는 실시예 4의 X-선 회절 패턴이다.
도 5는 실시예 1의 물질의 주사전자현미경 이미지이다.
도 6은 실시예 3의 물질의 주사전자현미경 이미지이다.
도 7은 실시예 4의 물질의 주사전자현미경 이미지이다.
도 8은 Fe-교환된 제올라이트 베타 및 모데나이트 샘플들의 NH3-SCR 활성을 보여주는 그래프이다 [증기 쏘임: 10% 증기/공기에서 16시간 동안 700℃, SCR: 500 ppm NO, 500 ppm NH3, 5% O2, 밸런스 비활성 물질(balance inert), SV: 60000 h-1].
도 9는 여러 양의 Fe로 교환된 실시예 4의 NH3-SCR 활성을 보여주는 그래프이다 [증기 쏘임: 10% 증기/공기에서 16시간 동안 700℃, SCR: 500 ppm NO, 500 ppm NH3, 5% O2, 밸런스 비활성 물질, SV: 60000 h-1].
도 10은 갓 만든 Fe-교환된 제올라이트 베타, 모데나이트, 및 Y 샘플들의 NH3-SCR 활성을 보여주는 그래프이다 [SCR: 500 ppm NO, 500 ppm NH3, 5% O2, 밸런스 비활성 물질, SV: 60000 h-1].
도 11은 갓 만든 증기 쏘인 Cu-베타의 NH3-SCR 활성을 보여주는 그래프이다 [증기 쏘임: 10% 증기/공기에서 16시간 동안 700℃; SCR: 500 ppm NO, 500 ppm NH3, 5% O2, 밸런스 비활성 물질, SV: 60000 h-1].
도 12는 스펙트럼을 기록하기 이전에 하기 조건 하에 처리된 Fe-교환된 제올라이트 베타 샘플들의 UV 데이터를 보여주는 그래프이다: 10% 증기/공기에서 16시간 동안 700℃에서 증기를 쏘임; 400℃로 인-시튜에서 탈수시키고, 이어서 주위 온도로 냉각시킴.
도 13은 여러 양의 Fe로 교환된 실시예 4의 UV 데이터를 보여주는 그래프이다. 스펙트럼을 기록하기 이전에, 물질을 다음과 같이 처리하였다: 10% 증기/공기에서 16시간 동안 700℃에서 증기를 쏘임; 400℃로 인-시튜에서 탈수시키고, 이어서 주위 온도로 냉각시킴.
Claims (33)
- 5 내지 20 범위의 실리카-대-알루미나 몰비 (SAR)를 갖는, 유기물이 없는(organic-free) 금속-함유 제올라이트 베타(Beta)로서, 상기 금속이 철 및/또는 구리를 1.0중량% 이상의 양으로 포함하는, 유기물이 없는 금속-함유 제올라이트 베타.
- 제 1항에 있어서, 제올라이트 베타가 공극 구조 내에 임의의 유기 구조 유도제 (SDA)를 함유하는 경우, 합성 동안 시드(seed) 물질로부터 생겨나는, 유기물이 없는 금속-함유 제올라이트 베타.
- 제 1항에 있어서, 상기 SAR의 범위가 5 내지 11인, 유기물이 없는 금속-함유 제올라이트 베타.
- 제 1항에 있어서, 상기 철 또는 구리가 액체-상 또는 고체 이온-교환, 함침에 의해 도입되거나, 직접-합성에 의해 포함되는, 유기물이 없는 금속-함유 제올라이트 베타.
- 제 1항에 있어서, 상기 금속이 철을 1.0 내지 10중량% 범위의 양으로 포함하는, 유기물이 없는 금속-함유 제올라이트 베타.
- 제 1항에 있어서, 상기 금속이 철을 2.0 내지 10중량% 범위의 양으로 포함하는, 유기물이 없는 금속-함유 제올라이트 베타.
- 제 1항에 있어서, 상기 금속이 철을 3.0 내지 8.0중량% 범위의 양으로 포함하는, 유기물이 없는 금속-함유 제올라이트 베타.
- 제 4항에 있어서, 철의 60% 이상이 교환된 위치(exchanged site)에 격리된(isolated) 양이온으로서 존재하는, 유기물이 없는 금속-함유 제올라이트 베타.
- 제 1항에 있어서, 상기 금속이 구리를 1.0 내지 10중량% 범위의 양으로 포함하는, 유기물이 없는 금속-함유 제올라이트 베타.
- 제 1항에 있어서, 금속이 구리를 2.0 내지 10중량% 범위의 양으로 포함하는, 유기물이 없는 금속-함유 제올라이트 베타.
- 제 1항에 있어서, 10 부피% 이하의 수증기의 존재 하에 16시간 동안 700℃에 노출시킨 후에, 암모니아 생성 화합물과의 선택적 촉매 환원에 대해 200℃에서 40% 이상의 NOx 전환을 나타내는, 유기물이 없는 금속-함유 제올라이트 베타.
- 제 1항에 있어서, 10 부피% 이항의 수증기의 존재 하에 16시간 동안 700℃에 노출시킨 후에, 암모니아 생성 화합물과의 선택적 촉매 환원에 대해 200℃에서 60% 이상의 NOx 전환을 나타내는, 유기물이 없는 금속-함유 제올라이트 베타.
- 배기 가스를 유기물이 없는 금속-함유 제올라이트 베타를 포함하는 물품(article)과 일부 또는 전부 접촉시키는 단계를 포함하며, 여기서 상기 금속이 철 및/또는 구리를 0.5중량% 이상의 양으로 포함하는, 배기 가스 중의 질소 산화물을 선택적 촉매 환원시키는 방법.
- 제 13항에 있어서, 유기물이 없는 금속-함유 제올라이트 베타가 5 내지 20 범위의 실리카-대-알루미나 몰비 (SAR)를 갖는 방법.
- 제 14항에 있어서, 제올라이트 베타가 5 내지 11 범위의 SAR을 갖는 방법.
- 제 13항에 있어서, 제올라이트 베타가 공극 구조 내에 임의의 유기 구조 유도제 (SDA)를 함유하는 경우, 합성 동안 시드 물질로부터 생겨나는 방법.
- 제 13항에 있어서, 상기 접촉시키는 단계가 암모니아, 요소(urea) 또는 암모니아 생성 화합물의 존재 하에 수행되는 방법.
- 제 13항에 있어서, 상기 접촉시키는 단계가 탄화수소 화합물의 존재 하에 수행되는 방법.
- 제 13항에 있어서, 상기 구리 또는 철이 액체-상 또는 고체 이온-교환, 함침에 의해 도입되거나, 직접-합성에 의해 포함되는 방법.
- 제 13항에 있어서, 상기 철이 물질의 총 중량의 1.0중량% 이상을 구성하며, 철의 60% 이상이 교환된 위치에 분리된 양이온으로서 존재하는 방법.
- 제 13항에 있어서, 상기 철이 물질의 총 중량의 1.0 내지 10.0중량% 범위의 양을 구성하는 방법.
- 제 13항에 있어서, 상기 철이 물질의 총 중량의 2.0 내지 10.0중량% 범위의 양을 구성하는 방법.
- 제 13항에 있어서, 상기 철이 물질의 총 중량의 3.0 내지 8.0중량% 범위의 양을 구성하는 방법.
- 제 13항에 있어서, 상기 구리가 물질의 총 중량의 1.0 내지 10.0중량% 범위의 양을 구성하는 방법.
- 제 13항에 있어서, 상기 구리가 물질의 총 중량의 2.0 내지 10.0중량% 범위의 양을 구성하는 방법.
- 제 13항에 있어서, 제올라이트 베타가 0.1 마이크론 초과의 결정 크기를 갖는 방법.
- 제 13항에 있어서, 제올라이트 베타가 0.2 내지 5 마이크론 범위의 결정 크기를 갖는 방법.
- 제 13항에 있어서, 물품이 채널 또는 벌집 모양의 바디; 충전층(packed bed); 미소구체; 또는 구조적 단편의 형태인 방법.
- 제 28항에 있어서, 상기 충전층이 볼(balls), 자갈(pebbles), 펠렛, 태블릿, 압출물(extrudates), 다른 입자들, 또는 이들의 조합물들을 포함하는 방법.
- 제 28항에 있어서, 상기 구조적 단편이 플레이트(plates) 또는 튜브(tubes)의 형태인 방법.
- 제 28항에 있어서, 채널 또는 벌집 모양의 바디 또는 구조적 단편이 베타 제올라이트를 포함하는 혼합물을 압출시킴에 의해 형성되는 방법.
- 유기 구조 유도제 (SDA) 없이, 임의의 시드 물질을 배제하여, 5 내지 20 범위의 실리카-대-알루미나 몰비 (SAR)를 갖는 제올라이트 베타를 합성하는 방법으로서, 여기서 상기 제올라이트 베타가 합성 혼합물로부터 30% 초과의 실리카 이용률(utilization)을 갖는 방법.
- 제 32항에 있어서, 상기 제올라이트 베타가 합성 혼합물로부터 50% 초과의 실리카 이용률을 갖는 방법.
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KR20200066677A (ko) * | 2017-10-25 | 2020-06-10 | 미쓰이금속광업주식회사 | 금속 치환 베타형 제올라이트 및 그의 제조 방법 |
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DK2571604T3 (da) | 2014-05-12 |
CN102971065A (zh) | 2013-03-13 |
EP2571604B1 (en) | 2014-04-16 |
PL2571604T3 (pl) | 2014-09-30 |
JP6397064B2 (ja) | 2018-09-26 |
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CN105312081A (zh) | 2016-02-10 |
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JP2013526406A (ja) | 2013-06-24 |
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CN105312081B (zh) | 2020-09-15 |
JP2015205277A (ja) | 2015-11-19 |
ZA201209485B (en) | 2014-02-26 |
ES2465617T3 (es) | 2014-06-06 |
JP5797749B2 (ja) | 2015-10-21 |
US20110286914A1 (en) | 2011-11-24 |
JP6231525B2 (ja) | 2017-11-15 |
BR112012029648B1 (pt) | 2020-12-22 |
WO2011146615A3 (en) | 2012-04-26 |
BR112012029648A2 (pt) | 2016-08-02 |
MX2012013535A (es) | 2013-04-03 |
CA2800393C (en) | 2016-08-02 |
RU2641771C1 (ru) | 2018-01-22 |
JP2017109924A (ja) | 2017-06-22 |
EP2571604A2 (en) | 2013-03-27 |
WO2011146615A2 (en) | 2011-11-24 |
RU2012155698A (ru) | 2014-06-27 |
KR101852143B1 (ko) | 2018-04-25 |
CA2800393A1 (en) | 2011-11-24 |
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