DE2239489A1 - Verfahren zur behandlung der abgase von verbrennungsmotoren sowie dafuer geeigneter katalysator - Google Patents
Verfahren zur behandlung der abgase von verbrennungsmotoren sowie dafuer geeigneter katalysatorInfo
- Publication number
- DE2239489A1 DE2239489A1 DE2239489A DE2239489A DE2239489A1 DE 2239489 A1 DE2239489 A1 DE 2239489A1 DE 2239489 A DE2239489 A DE 2239489A DE 2239489 A DE2239489 A DE 2239489A DE 2239489 A1 DE2239489 A1 DE 2239489A1
- Authority
- DE
- Germany
- Prior art keywords
- catalyst
- exhaust gases
- weight
- parts
- platinum
- 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.)
- Pending
Links
- 239000003054 catalyst Substances 0.000 title claims description 93
- 239000007789 gas Substances 0.000 title claims description 55
- 238000000034 method Methods 0.000 title claims description 13
- 238000002485 combustion reaction Methods 0.000 title claims description 12
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 67
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 48
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 43
- 229910052697 platinum Inorganic materials 0.000 claims description 33
- 229930195733 hydrocarbon Natural products 0.000 claims description 31
- 150000002430 hydrocarbons Chemical class 0.000 claims description 31
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 23
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 22
- 238000007254 oxidation reaction Methods 0.000 claims description 22
- 229910052763 palladium Inorganic materials 0.000 claims description 22
- 230000003647 oxidation Effects 0.000 claims description 21
- 230000002378 acidificating effect Effects 0.000 claims description 16
- 230000001590 oxidative effect Effects 0.000 claims description 5
- 239000010457 zeolite Substances 0.000 claims description 5
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 4
- 229910021536 Zeolite Inorganic materials 0.000 claims description 3
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical group [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 3
- UNYSKUBLZGJSLV-UHFFFAOYSA-L calcium;1,3,5,2,4,6$l^{2}-trioxadisilaluminane 2,4-dioxide;dihydroxide;hexahydrate Chemical compound O.O.O.O.O.O.[OH-].[OH-].[Ca+2].O=[Si]1O[Al]O[Si](=O)O1.O=[Si]1O[Al]O[Si](=O)O1 UNYSKUBLZGJSLV-UHFFFAOYSA-L 0.000 claims description 3
- 229910052676 chabazite Inorganic materials 0.000 claims description 3
- 229910052680 mordenite Inorganic materials 0.000 claims description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000000356 contaminant Substances 0.000 claims description 2
- 239000012876 carrier material Substances 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 230000000694 effects Effects 0.000 description 13
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910021529 ammonia Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 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 4
- 229910052863 mullite Inorganic materials 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- CNLWCVNCHLKFHK-UHFFFAOYSA-N aluminum;lithium;dioxido(oxo)silane Chemical compound [Li+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O CNLWCVNCHLKFHK-UHFFFAOYSA-N 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000001784 detoxification Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229910052596 spinel Inorganic materials 0.000 description 2
- 239000011029 spinel Substances 0.000 description 2
- 229910052642 spodumene Inorganic materials 0.000 description 2
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- UKVIEHSSVKSQBA-UHFFFAOYSA-N methane;palladium Chemical compound C.[Pd] UKVIEHSSVKSQBA-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- -1 platinum Chemical class 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000002791 soaking 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
- 239000011973 solid acid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 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
- B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
-
- 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
- B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
- B01D53/9477—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/102—Oxygen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1021—Platinum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1023—Palladium
-
- 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
- B01D2255/2073—Manganese
-
- 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
- B01D2255/20746—Cobalt
-
- 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
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20784—Chromium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17115171A | 1971-08-12 | 1971-08-12 | |
| US17115271A | 1971-08-12 | 1971-08-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2239489A1 true DE2239489A1 (de) | 1973-03-15 |
Family
ID=26866784
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2239489A Pending DE2239489A1 (de) | 1971-08-12 | 1972-08-11 | Verfahren zur behandlung der abgase von verbrennungsmotoren sowie dafuer geeigneter katalysator |
| DE2239490A Ceased DE2239490A1 (de) | 1971-08-12 | 1972-08-11 | Verfahren zur behandlung der abgase von verbrennungsmotoren sowie dafuer geeigneter katalysator |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2239490A Ceased DE2239490A1 (de) | 1971-08-12 | 1972-08-11 | Verfahren zur behandlung der abgase von verbrennungsmotoren sowie dafuer geeigneter katalysator |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US3755534A (OSRAM) |
| DE (2) | DE2239489A1 (OSRAM) |
| FR (2) | FR2150111A5 (OSRAM) |
| GB (1) | GB1397572A (OSRAM) |
| IT (1) | IT963973B (OSRAM) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0205813A3 (de) * | 1985-04-22 | 1988-09-21 | Klaus Rennebeck | Katalysator, insbesondere für die Abgasreinigung, Verfahren und Vorrichtung zu seiner Herstellung |
| EP0219854A3 (en) * | 1985-10-22 | 1988-11-02 | Norton Company | Catalyst for reduction of nitrogen oxides |
| EP0234441A3 (en) * | 1986-02-18 | 1988-11-09 | Norton Company | Catalyst for reduction of oxides of nitrogen |
| EP0459396A1 (en) * | 1990-05-28 | 1991-12-04 | The Agency of Industrial Science and Technology | Process for removing nitrogen oxides from exhaust gases |
| DE4204603A1 (de) * | 1992-02-15 | 1993-08-19 | Kat Tec Ges Fuer Katalysatorte | Vorrichtung zur mehrstufigen, katalytischen verbrennung von stickstoffhaltigen gasen |
| US5336476A (en) * | 1990-05-28 | 1994-08-09 | Agency Of Industrial Science And Technology | Process for removing nitrogen oxides in exhaust gases to nitrogen |
| WO1995019836A1 (en) * | 1994-01-21 | 1995-07-27 | Engelhard Corporation | Catalytic method and device for controlling voc, co and halogenated organic emissions |
Families Citing this family (77)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4025606A (en) * | 1971-06-25 | 1977-05-24 | Johnson Matthey & Co., Limited | Catalysis |
| US3883444A (en) * | 1971-07-20 | 1975-05-13 | Grace W R & Co | Auto exhaust catalyst |
| GB1417544A (en) * | 1971-11-22 | 1975-12-10 | Johnson Matthey Co Ltd | Catalysts containing platinum and rhodium |
| JPS4875456A (OSRAM) * | 1972-01-14 | 1973-10-11 | ||
| US3867312A (en) * | 1972-02-07 | 1975-02-18 | Ethyl Corp | Exhaust gas catalyst support |
| US3899444A (en) * | 1972-02-07 | 1975-08-12 | Ethyl Corp | Exhaust gas catalyst support |
| JPS5146076B2 (OSRAM) * | 1972-02-08 | 1976-12-07 | ||
| FR2186290B1 (OSRAM) * | 1972-02-23 | 1974-08-02 | Azote & Prod Chim | |
| US4105590A (en) * | 1972-03-25 | 1978-08-08 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler | Catalysts and the process for their production |
| DE2214797B2 (de) * | 1972-03-25 | 1975-03-20 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | Verfahren zur Reinigung von Automobil- und Industrieabgasen |
| JPS5331838B2 (OSRAM) * | 1972-04-15 | 1978-09-05 | ||
| US3914377A (en) * | 1972-07-07 | 1975-10-21 | Mobil Oil Corp | Catalyst reactor for oxidizing carbon monoxide and hydrocarbons in gaseous stream |
| GB1416587A (en) * | 1972-07-14 | 1975-12-03 | Grace W R & Co | Catalyst and process for treatment of exhaust gases |
| US3993572A (en) * | 1972-08-04 | 1976-11-23 | Engelhard Minerals & Chemicals Corporation | Rare earth containing catalyst composition |
| DE2339338C3 (de) * | 1973-02-06 | 1979-02-15 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | Verfahren zur Herstellung eines Katalysators für die oxidative Reinigung von Abgasen |
| US4034061A (en) * | 1972-11-16 | 1977-07-05 | Union Oil Company Of California | Aluminum borate catalyst compositions and use thereof in chemical conversions |
| US3928237A (en) * | 1972-11-17 | 1975-12-23 | Robert E Davis | Method of catalyst preparation for use in suppressing hydrocarbon and carbon monoxide emission from internal combustion engines |
| US3860535A (en) * | 1973-01-04 | 1975-01-14 | Minnesota Mining & Mfg | Dual cross-flow catalyst system |
| DE2303695C3 (de) * | 1973-01-26 | 1980-03-13 | Kali-Chemie Ag, 3000 Hannover | Verfahren zur Herstellung eines Palladium und Mangan enthaltenden Katalysators |
| JPS5322557B2 (OSRAM) * | 1973-04-13 | 1978-07-10 | ||
| US3907710A (en) * | 1973-04-18 | 1975-09-23 | Grace W R & Co | Hollow ceramic pellets for catalyst support |
| US3960510A (en) * | 1973-05-21 | 1976-06-01 | W. R. Grace & Co. | Honeycomb structure for countercurrent gas flow |
| US3972837A (en) * | 1973-07-03 | 1976-08-03 | Johnson Matthey & Co., Limited | Catalyst for purifying automotive exhaust gases |
| US3930805A (en) * | 1973-08-27 | 1976-01-06 | Hoechst Aktiengesellschaft | Apparatus receiving catalysts for the decontamination of exhaust gas of internal combustion engines |
| US3929420A (en) * | 1973-08-31 | 1975-12-30 | Minnesota Mining & Mfg | Dual cross-flow canister |
| US3966391A (en) * | 1973-12-10 | 1976-06-29 | Engelhard Minerals & Chemicals Corporation | Method of combustion using high temperature stable catalysts |
| US3870455A (en) * | 1973-12-10 | 1975-03-11 | Engelhard Min & Chem | Method for catalytically supported thermal combustion |
| US4056489A (en) * | 1973-12-10 | 1977-11-01 | Engelhard Minerals & Chemicals Corporation | High temperature stable catalyst composition and method for its preparation |
| US3957685A (en) * | 1974-02-27 | 1976-05-18 | Helmut Heide | Process for producing catalyst supports or catalyst systems having open pores |
| US3918932A (en) * | 1974-03-06 | 1975-11-11 | Environics Inc | Method and apparatus for collecting and disposing of fuel vapors |
| US3929965A (en) * | 1974-05-16 | 1975-12-30 | Grace W R & Co | Dual purpose auto exhaust catalysts |
| US4072471A (en) * | 1974-05-28 | 1978-02-07 | Mobil Oil Corporation | Catalytic converter for removing noxious components from a gaseous stream |
| US3954417A (en) * | 1974-08-20 | 1976-05-04 | General Motors Corporation | Monolithic catalytic converter with central flow tube |
| GB1519343A (en) * | 1974-09-03 | 1978-07-26 | Matsushita Electric Industrial Co Ltd | Gas purifying devices |
| US3920404A (en) * | 1974-09-11 | 1975-11-18 | Ford Motor Co | Catalyst converter |
| FR2288549A1 (fr) * | 1974-10-21 | 1976-05-21 | Applic Catalytiques Lyonna | Masse de contact pour catalyse heterogene |
| US4116883A (en) * | 1975-02-26 | 1978-09-26 | General Motors Corporation | Catalyst support coating slurry and coatings |
| US4009242A (en) * | 1975-04-08 | 1977-02-22 | E. I. Du Pont De Nemours And Company | Metal oxyhalide catalyzed reactions |
| JPS5252193A (en) * | 1975-10-23 | 1977-04-26 | Toyota Motor Corp | Catalyst for purifying exhaust gas from cars |
| US4087384A (en) * | 1975-11-12 | 1978-05-02 | Davis Robert E | Method of catalyst preparation for use in suppressing hydrocarbon and carbon monoxide emission from internal combustion engines |
| JPS593216B2 (ja) * | 1976-06-17 | 1984-01-23 | 日産自動車株式会社 | 排ガス処理用触媒 |
| JPS533983A (en) * | 1976-07-01 | 1978-01-14 | Nissan Motor Co Ltd | Production of exhaust gas treatment catalyst |
| US4189404A (en) * | 1977-01-06 | 1980-02-19 | Engelhard Minerals & Chemicals Corporation | Catalyst and process of its preparation |
| US4206087A (en) * | 1977-01-06 | 1980-06-03 | Engelhard Minerals & Chemicals Corporation | Catalyst for reducing pollutants in waste gas streams and process for preparing the catalyst |
| US4094645A (en) * | 1977-01-24 | 1978-06-13 | Uop Inc. | Combination muffler and catalytic converter having low backpressure |
| US4128506A (en) * | 1978-01-23 | 1978-12-05 | General Motors Corporation | Platinum-rhodium catalyst for automotive emission control |
| US4258218A (en) * | 1977-12-19 | 1981-03-24 | Mobil Oil Corporation | Conversion of alcohols or ethers using rare earth alumina |
| EP0002791A1 (en) * | 1977-12-28 | 1979-07-11 | Union Carbide Corporation | Conversion of hydrocarbons and carbon monoxide in exhaust gas streams |
| US4138220A (en) * | 1978-02-13 | 1979-02-06 | Colonial Metals, Inc. | Apparatus for catalytic oxidation of grease and fats in low temperature fumes |
| EP0003818A1 (en) * | 1978-02-23 | 1979-09-05 | Union Carbide Corporation | Treatment of exhaust gas streams |
| US4184983A (en) * | 1978-03-17 | 1980-01-22 | Uop Inc. | Filter material for removal of ozone from the atmosphere |
| US4239656A (en) * | 1978-04-04 | 1980-12-16 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Catalyst for purifying exhaust gases and carrier for the catalyst |
| EP0020799A1 (en) * | 1979-06-15 | 1981-01-07 | Union Carbide Corporation | Treatment of exhaust gas streams |
| JPS5610333A (en) * | 1979-07-06 | 1981-02-02 | Toyota Motor Corp | Catalyst for cleaning up exhaust gas and manufacture of said catalyst |
| JPS5610334A (en) * | 1979-07-06 | 1981-02-02 | Toyota Motor Corp | Catalyst for cleaning up exhaust gas and manufacture of said catalyst |
| US4297192A (en) * | 1979-12-18 | 1981-10-27 | Toyota Jidosha Kogyo Kabushiki Kaisha | Catalyst supported oxygen sensor element and a method of manufacturing same |
| US4318888A (en) * | 1980-07-10 | 1982-03-09 | General Motors Corporation | Wound foil structure comprising distinct catalysts |
| US4382323A (en) * | 1980-07-10 | 1983-05-10 | General Motors Corporation | Method for manufacturing a wound foil structure comprising distinct catalysts |
| DE3406657A1 (de) * | 1984-02-24 | 1985-08-29 | Kraftanlagen Ag, 6900 Heidelberg | Verfahren und vorrichtung zur katalytischen reinigung der abgase von feuerungsanlagen |
| DE3512586A1 (de) * | 1985-04-06 | 1986-10-09 | Dynamit Nobel Ag, 5210 Troisdorf | Abgaskatalysator-traeger aus anorganischen formmassen |
| US4624940A (en) * | 1985-04-12 | 1986-11-25 | Engelhard Corporation | High temperature catalyst compositions for internal combustion engine |
| US4895824A (en) * | 1987-09-08 | 1990-01-23 | W. R. Grace & Co.-Conn. | Add-on hydrogen sulfide trap |
| US5120695A (en) * | 1989-07-28 | 1992-06-09 | Degusaa Aktiengesellschaft (Degussa Ag) | Catalyst for purifying exhaust gases from internal combustion engines and gas turbines operated at above the stoichiometric ratio |
| US5010051A (en) * | 1989-11-08 | 1991-04-23 | Engelhard Corporation | Staged three-way conversion catalyst and method of using the same |
| JPH07106300B2 (ja) * | 1989-12-08 | 1995-11-15 | 財団法人産業創造研究所 | 燃焼排ガス中の窒素酸化物除去法 |
| JP2773428B2 (ja) * | 1990-11-28 | 1998-07-09 | トヨタ自動車株式会社 | 排気ガス浄化方法 |
| US5396764A (en) * | 1994-02-14 | 1995-03-14 | Ford Motor Company | Spark ignition engine exhaust system |
| JPH08177473A (ja) * | 1994-12-22 | 1996-07-09 | Nippon Soken Inc | 排ガス浄化装置 |
| US6071481A (en) * | 1996-08-08 | 2000-06-06 | Mathews; Loren T. | Zero grade air generating system |
| CN1682020B (zh) * | 2002-09-13 | 2012-11-14 | 约翰逊马西有限公司 | 一种压燃式发动机及处理压燃式发动机废气的方法 |
| US6846464B2 (en) * | 2002-11-20 | 2005-01-25 | Ford Global Technologies, Llc | Bimodal catalyst-urea SCR system for enhanced NOx conversion and durability |
| GB2406803A (en) | 2004-11-23 | 2005-04-13 | Johnson Matthey Plc | Exhaust system comprising exotherm-generating catalyst |
| TW200827536A (en) * | 2006-12-29 | 2008-07-01 | Sentec E & E Co Ltd | Exhaust decontamination device of a motorcycle engine |
| US8945495B2 (en) * | 2008-10-21 | 2015-02-03 | GM Global Technology Operations LLC | Method and architecture for reducing NOX and particulate matter emissions in exhaust gas from hydrocarbon fuel source with a fuel lean combustion mixture |
| TWI630954B (zh) * | 2014-12-09 | 2018-08-01 | 財團法人工業技術研究院 | 雙酚a或其衍生物的氫化方法以及對苯二甲酸或其衍生物的氫化方法 |
| US10898889B2 (en) * | 2018-01-23 | 2021-01-26 | Umicore Ag & Co. Kg | SCR catalyst and exhaust gas cleaning system |
| CN111167240A (zh) * | 2019-12-31 | 2020-05-19 | 西安金清泰环境科技有限公司 | 一种道路安装汽车尾气吸收设备的尾气控制方式 |
-
1971
- 1971-08-12 US US00171152A patent/US3755534A/en not_active Expired - Lifetime
- 1971-08-12 US US00171151A patent/US3741725A/en not_active Expired - Lifetime
-
1972
- 1972-08-11 IT IT28167/72A patent/IT963973B/it active
- 1972-08-11 DE DE2239489A patent/DE2239489A1/de active Pending
- 1972-08-11 FR FR7229224A patent/FR2150111A5/fr not_active Expired
- 1972-08-11 DE DE2239490A patent/DE2239490A1/de not_active Ceased
- 1972-08-11 GB GB3759372A patent/GB1397572A/en not_active Expired
- 1972-08-11 FR FR7229223A patent/FR2150110A5/fr not_active Expired
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0205813A3 (de) * | 1985-04-22 | 1988-09-21 | Klaus Rennebeck | Katalysator, insbesondere für die Abgasreinigung, Verfahren und Vorrichtung zu seiner Herstellung |
| EP0219854A3 (en) * | 1985-10-22 | 1988-11-02 | Norton Company | Catalyst for reduction of nitrogen oxides |
| EP0234441A3 (en) * | 1986-02-18 | 1988-11-09 | Norton Company | Catalyst for reduction of oxides of nitrogen |
| EP0459396A1 (en) * | 1990-05-28 | 1991-12-04 | The Agency of Industrial Science and Technology | Process for removing nitrogen oxides from exhaust gases |
| US5336476A (en) * | 1990-05-28 | 1994-08-09 | Agency Of Industrial Science And Technology | Process for removing nitrogen oxides in exhaust gases to nitrogen |
| DE4204603A1 (de) * | 1992-02-15 | 1993-08-19 | Kat Tec Ges Fuer Katalysatorte | Vorrichtung zur mehrstufigen, katalytischen verbrennung von stickstoffhaltigen gasen |
| WO1995019836A1 (en) * | 1994-01-21 | 1995-07-27 | Engelhard Corporation | Catalytic method and device for controlling voc, co and halogenated organic emissions |
| US5643545A (en) * | 1994-01-21 | 1997-07-01 | Engelhard Corporation | Catalytic method and device for controlling VOC, CO and halogenated organic emissions |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2150110A5 (OSRAM) | 1973-03-30 |
| GB1397572A (en) | 1975-06-11 |
| US3755534A (en) | 1973-08-28 |
| IT963973B (it) | 1974-01-21 |
| US3741725A (en) | 1973-06-26 |
| FR2150111A5 (OSRAM) | 1973-03-30 |
| DE2239490A1 (de) | 1973-02-22 |
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