KR0131335B1 - H2s 방출 경향이 감소된 백금족 금속-함유 삼상촉매용 지지물질 - Google Patents
H2s 방출 경향이 감소된 백금족 금속-함유 삼상촉매용 지지물질Info
- Publication number
- KR0131335B1 KR0131335B1 KR1019900000985A KR900000985A KR0131335B1 KR 0131335 B1 KR0131335 B1 KR 0131335B1 KR 1019900000985 A KR1019900000985 A KR 1019900000985A KR 900000985 A KR900000985 A KR 900000985A KR 0131335 B1 KR0131335 B1 KR 0131335B1
- Authority
- KR
- South Korea
- Prior art keywords
- aluminum oxide
- support material
- oxide
- weight
- precursor
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title claims description 36
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 title claims description 10
- 229910052751 metal Inorganic materials 0.000 title claims description 4
- 239000002184 metal Substances 0.000 title claims description 4
- 239000000203 mixture Substances 0.000 claims description 29
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 28
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 22
- 239000002243 precursor Substances 0.000 claims description 18
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 17
- 238000000137 annealing Methods 0.000 claims description 8
- VXAUWWUXCIMFIM-UHFFFAOYSA-M aluminum;oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Al+3] VXAUWWUXCIMFIM-UHFFFAOYSA-M 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 229910000510 noble metal Inorganic materials 0.000 claims description 6
- 229910001593 boehmite Inorganic materials 0.000 claims description 5
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 claims description 5
- 238000001354 calcination Methods 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 4
- 238000000197 pyrolysis Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 238000005979 thermal decomposition reaction Methods 0.000 claims 1
- 239000007921 spray Substances 0.000 description 24
- 239000007789 gas Substances 0.000 description 21
- 239000002245 particle Substances 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 14
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 12
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 10
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 7
- 238000001694 spray drying Methods 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 5
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 150000002430 hydrocarbons Chemical class 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000010970 precious metal Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000007900 aqueous suspension Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000010948 rhodium Substances 0.000 description 3
- 229910052684 Cerium Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- HKVFISRIUUGTIB-UHFFFAOYSA-O azanium;cerium;nitrate Chemical compound [NH4+].[Ce].[O-][N+]([O-])=O HKVFISRIUUGTIB-UHFFFAOYSA-O 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 2
- VGBWDOLBWVJTRZ-UHFFFAOYSA-K cerium(3+);triacetate Chemical compound [Ce+3].CC([O-])=O.CC([O-])=O.CC([O-])=O VGBWDOLBWVJTRZ-UHFFFAOYSA-K 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910021193 La 2 O 3 Inorganic materials 0.000 description 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- VYLVYHXQOHJDJL-UHFFFAOYSA-K cerium trichloride Chemical compound Cl[Ce](Cl)Cl VYLVYHXQOHJDJL-UHFFFAOYSA-K 0.000 description 1
- XQTIWNLDFPPCIU-UHFFFAOYSA-N cerium(3+) Chemical compound [Ce+3] XQTIWNLDFPPCIU-UHFFFAOYSA-N 0.000 description 1
- LQCIDLXXSFUYSA-UHFFFAOYSA-N cerium(4+);tetranitrate Chemical compound [Ce+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O LQCIDLXXSFUYSA-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052878 cordierite Inorganic materials 0.000 description 1
- 239000012043 crude product Substances 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
- 239000006185 dispersion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- LYTNHSCLZRMKON-UHFFFAOYSA-L oxygen(2-);zirconium(4+);diacetate Chemical compound [O-2].[Zr+4].CC([O-])=O.CC([O-])=O LYTNHSCLZRMKON-UHFFFAOYSA-L 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- VXNYVYJABGOSBX-UHFFFAOYSA-N rhodium(3+);trinitrate Chemical compound [Rh+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VXNYVYJABGOSBX-UHFFFAOYSA-N 0.000 description 1
- SONJTKJMTWTJCT-UHFFFAOYSA-K rhodium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[Rh+3] SONJTKJMTWTJCT-UHFFFAOYSA-K 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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
- 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
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/63—Platinum group metals with rare earths or actinides
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
Claims (7)
- 활성 산화 알루미늄, 이의 특정 전구체 또는 이들의 혼합물 0 내지 90중량부, 및 산화세륨 또는 1개의 산화세륨의 가용성 전구체, 불용성 전구체 또는 이들 전구체의 혼합물 10 내지 100중량부(CeO2로 산정됨)의 수성 현탁액을 분무-건조시키고, 이렇게 수득한 물질을 350 내지 1,140℃에서 15분 내지 24시간 동안 어닐링시켜 수득할 수 있는, 활성 산화 알루미늄과 10중량%(모든 지지체 성분의 합에 대해) 이상의 산화세륨으로 이루어진, H2S 방출 경향이 감소되도록 자동차 배기 가스를 정화하기 위한, 내부 연소 엔진 배기 가스 정화용 백금족 금속-함유 삼방(three-way) 촉매용 지지물질.
- 제1항에 있어서, 활성 산화 알루미늄으로서 침전 및 하소에 의해 회수한 전이계의 산화 알루미늄, 또는 열분해법 산화 알루미늄을 사용하여 수득할 수 있는 지지물질.
- 제1항에 있어서, 산화 알루미늄 전구체로서 유사-베마이트, 베마이트 또는 이들의 혼합물을 사용하여 수득할 수 있는 지지물질.
- 제1항 내지 제3항중 어느 한항에 있어서, 유사-베마이트, 베마이트 또는 이들의 혼합물과 전이계의 산화 알루미늄, 열분해법 산화 알루미늄 또는 이들의 혼합물과의 혼합물을 사용함으로써 수득할 수 있는 지지물질.
- 제1항 내지 제3항중 어느 한 항에 있어서, 지지물질 100중량부가 통상의 감마-산화 알루미늄 또는 통상의 감마-산화 알루미늄 전구체, 통상의 산화세륨(CeO2로 산정됨), 또는 이의 가용성 전구체, 불용성 전구체 또는 이들 전구체의 혼합물의 혼합물 80중량부 이하와 혼합됨을 특징으로 하는 지지물질.
- 제1항에 있어서, 어닐링이 700 내지 1,050℃에서 수행되는 지지물질.
- 제1항에 있어서, 비-귀금속 산화물 하나이상으로 도핑되는 지지물질.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP3902913.1 | 1989-02-01 | ||
DE3902913A DE3902913A1 (de) | 1989-02-01 | 1989-02-01 | Traegermaterial fuer platingruppenmetall-haltige dreiweg-katalysatoren mit verringerter neigung zur h(pfeil abwaerts)2(pfeil abwaerts)s-emission |
Publications (2)
Publication Number | Publication Date |
---|---|
KR900012677A KR900012677A (ko) | 1990-09-01 |
KR0131335B1 true KR0131335B1 (ko) | 1998-04-14 |
Family
ID=6373194
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900000985A KR0131335B1 (ko) | 1989-02-01 | 1990-01-30 | H2s 방출 경향이 감소된 백금족 금속-함유 삼상촉매용 지지물질 |
Country Status (10)
Country | Link |
---|---|
US (1) | US5024985A (ko) |
EP (1) | EP0381063B1 (ko) |
JP (1) | JP3442382B2 (ko) |
KR (1) | KR0131335B1 (ko) |
BR (1) | BR9000372A (ko) |
CA (1) | CA2009029C (ko) |
DE (2) | DE3902913A1 (ko) |
FI (1) | FI97334C (ko) |
MX (1) | MX170849B (ko) |
ZA (1) | ZA90371B (ko) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI90631C (fi) * | 1992-04-23 | 1994-03-10 | Kemira Oy | Menetelmä katalyytissä käytettävän tukiaineen parantamiseksi |
DE69427602T2 (de) * | 1993-01-11 | 2001-11-22 | Cataler Industrial Co., Ltd. | Verfahren zur Reinigung von Abgasen |
US5965481A (en) * | 1993-05-14 | 1999-10-12 | Institut Francais Du Petrole | Process for preparing a catalyst suitable for the treatment of exhaust gases from internal combustion engines |
SE9302913L (sv) * | 1993-09-09 | 1995-03-10 | Perstorp Ab | Bilavgaskatalysator samt förfarande för framställning av densamma |
EP0721368A1 (en) * | 1993-10-01 | 1996-07-17 | ASEC Manufacturing Company | NOBLE METAL CATALYSTS FOR THE REDUCTION OF NO x? IN THE EXHAUST GASES FROM INTERNAL COMBUSTION ENGINES CONTAINING EXCESS OXYGEN |
US5919727A (en) * | 1996-11-14 | 1999-07-06 | W. R. Grace & Co.-Conn. | Ceric oxide washcoat |
AU3923300A (en) | 1999-03-26 | 2000-10-16 | Cabot Corporation | Fumed metal oxide comprising catalytic converter |
DE19955456A1 (de) * | 1999-11-17 | 2001-05-23 | Degussa | Verfahren zur Herstellung eines Stickoxid-Speichermaterials und damit hergestelltes Speichermaterial |
JP3858625B2 (ja) * | 2000-07-27 | 2006-12-20 | 株式会社豊田中央研究所 | 複合酸化物とその製造方法及び排ガス浄化用触媒とその製造方法 |
DE10138574A1 (de) | 2001-08-06 | 2003-02-27 | Degussa | Granulate auf Basis von pyrogen hergestelltem Aluminiumoxid, Verfahren zu ihrer Herstellung und ihre Verwendung |
US7871459B2 (en) * | 2004-11-08 | 2011-01-18 | Trustees Of Tufts College | Apparatus and methods for non-regenerative and regenerative hot gas desulfurization |
US7731837B2 (en) * | 2006-09-08 | 2010-06-08 | The Penn State Research Foundation | Oxidatively regenerable adsorbents for sulfur removal |
DE102008061644B4 (de) * | 2008-12-12 | 2014-01-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Zellulärer Werkstoff für Hochtemperaturanwendungen und Verfahren zu seiner Herstellung |
US10865709B2 (en) | 2012-05-23 | 2020-12-15 | Herng Shinn Hwang | Flex-fuel hydrogen reformer for IC engines and gas turbines |
US20140357475A1 (en) * | 2013-05-29 | 2014-12-04 | Cdti | Systems and Methods Using Cu-Mn Spinel Catalyst on Varying Carrier Material Oxides for TWC Applications |
US10626790B2 (en) | 2016-11-16 | 2020-04-21 | Herng Shinn Hwang | Catalytic biogas combined heat and power generator |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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US3993572A (en) * | 1972-08-04 | 1976-11-23 | Engelhard Minerals & Chemicals Corporation | Rare earth containing catalyst composition |
US3870455A (en) * | 1973-12-10 | 1975-03-11 | Engelhard Min & Chem | Method for catalytically supported thermal combustion |
US4331565A (en) * | 1980-11-28 | 1982-05-25 | General Motors Corporation | Method for forming high surface area catalyst carrier and catalyst using same |
JPS57209819A (en) * | 1981-06-19 | 1982-12-23 | Nissan Motor Co Ltd | Preparation of active alumina pellet supporting cerium uniformly |
FR2559754A1 (fr) * | 1984-02-20 | 1985-08-23 | Rhone Poulenc Spec Chim | Oxyde cerique a nouvelles caracteristiques morphologiques et son procede d'obtention |
EP0244127A1 (en) * | 1986-04-16 | 1987-11-04 | Johnson Matthey, Inc., | Method for catalytically controlling exhaust gaz from automobiles |
US4714694A (en) * | 1986-06-30 | 1987-12-22 | Engelhard Corporation | Aluminum-stabilized ceria catalyst compositions, and methods of making the same |
US4760044A (en) * | 1987-06-15 | 1988-07-26 | Allied-Signal Inc. | Catalyst for minimizing the H2 S emissions from automotive exhaust and method of its manufacture |
DE3735033A1 (de) * | 1987-10-16 | 1989-04-27 | Duerrwaechter E Dr Doduco | Katalysator und verfahren zu seiner herstellung |
US4868150A (en) * | 1987-12-22 | 1989-09-19 | Rhone-Poulenc Inc. | Catalyst support material containing lanthanides |
US4900712A (en) * | 1988-09-30 | 1990-02-13 | Prototech Company | Catalytic washcoat and method of preparation of the same |
-
1989
- 1989-02-01 DE DE3902913A patent/DE3902913A1/de active Granted
-
1990
- 1990-01-18 ZA ZA90371A patent/ZA90371B/xx unknown
- 1990-01-26 EP EP90101542A patent/EP0381063B1/de not_active Expired - Lifetime
- 1990-01-26 DE DE9090101542T patent/DE59002127D1/de not_active Expired - Fee Related
- 1990-01-29 US US07/471,486 patent/US5024985A/en not_active Expired - Lifetime
- 1990-01-30 MX MX019318A patent/MX170849B/es unknown
- 1990-01-30 BR BR909000372A patent/BR9000372A/pt not_active IP Right Cessation
- 1990-01-30 KR KR1019900000985A patent/KR0131335B1/ko not_active IP Right Cessation
- 1990-01-31 CA CA002009029A patent/CA2009029C/en not_active Expired - Fee Related
- 1990-02-01 FI FI900516A patent/FI97334C/fi not_active IP Right Cessation
- 1990-02-01 JP JP02054990A patent/JP3442382B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR900012677A (ko) | 1990-09-01 |
DE3902913C2 (ko) | 1992-03-19 |
EP0381063B1 (de) | 1993-08-04 |
DE3902913A1 (de) | 1990-08-09 |
JP3442382B2 (ja) | 2003-09-02 |
MX170849B (es) | 1993-09-20 |
JPH03196837A (ja) | 1991-08-28 |
US5024985A (en) | 1991-06-18 |
ZA90371B (en) | 1990-10-31 |
DE59002127D1 (de) | 1993-09-09 |
FI900516A0 (fi) | 1990-02-01 |
CA2009029C (en) | 1996-04-16 |
FI97334C (fi) | 1996-12-10 |
BR9000372A (pt) | 1990-12-04 |
CA2009029A1 (en) | 1990-08-01 |
EP0381063A1 (de) | 1990-08-08 |
FI97334B (fi) | 1996-08-30 |
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