JPS5410944B2 - - Google Patents
Info
- Publication number
- JPS5410944B2 JPS5410944B2 JP9585473A JP9585473A JPS5410944B2 JP S5410944 B2 JPS5410944 B2 JP S5410944B2 JP 9585473 A JP9585473 A JP 9585473A JP 9585473 A JP9585473 A JP 9585473A JP S5410944 B2 JPS5410944 B2 JP S5410944B2
- Authority
- JP
- Japan
- 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.)
- Expired
Links
Classifications
-
- 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
- B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
- B01J27/04—Sulfides
-
- 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
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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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/204—Carbon monoxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/208—Hydrocarbons
-
- 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
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1025—Rhodium
-
- 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
- B01D2255/1026—Ruthenium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/204—Alkaline earth metals
- B01D2255/2042—Barium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/206—Rare earth metals
- B01D2255/2065—Cerium
-
- 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
- B01D2255/20753—Nickel
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)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9585473A JPS5410944B2 (US20110009641A1-20110113-C00116.png) | 1973-08-27 | 1973-08-27 | |
| DE2440433A DE2440433A1 (de) | 1973-08-27 | 1974-08-23 | Katalysatoren fuer die reduktion von stickstoffoxyden |
| US05/501,078 US4018710A (en) | 1973-08-27 | 1974-08-27 | Reduction catalysts and processes for reduction of nitrogen oxides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9585473A JPS5410944B2 (US20110009641A1-20110113-C00116.png) | 1973-08-27 | 1973-08-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5045793A JPS5045793A (US20110009641A1-20110113-C00116.png) | 1975-04-24 |
| JPS5410944B2 true JPS5410944B2 (US20110009641A1-20110113-C00116.png) | 1979-05-10 |
Family
ID=14148940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9585473A Expired JPS5410944B2 (US20110009641A1-20110113-C00116.png) | 1973-08-27 | 1973-08-27 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4018710A (US20110009641A1-20110113-C00116.png) |
| JP (1) | JPS5410944B2 (US20110009641A1-20110113-C00116.png) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4089930A (en) * | 1976-02-12 | 1978-05-16 | New England Power Service Company | Process for the catalytic reduction of nitric oxide |
| JPS5820309B2 (ja) * | 1976-06-02 | 1983-04-22 | 大阪瓦斯株式会社 | 排ガス中のＮＯ↓ｘ還元除去用触媒組成物 |
| JPS5417414A (en) * | 1977-07-08 | 1979-02-08 | Nippon Soken Inc | Exhaust gas purifying system |
| US4246234A (en) * | 1978-05-26 | 1981-01-20 | New England Power Service Company | Method and apparatus for reducing nitric oxide |
| US4695437A (en) * | 1986-06-13 | 1987-09-22 | Johnson Matthey, Inc. | Selective catalytic reduction catalysts |
| JPH0611381B2 (ja) * | 1986-10-17 | 1994-02-16 | 株式会社豊田中央研究所 | 排ガス浄化方法 |
| FR2730175B1 (fr) * | 1995-02-03 | 1997-04-04 | Inst Francais Du Petrole | Catalyseurs de reduction des oxydes d'azote en azote moleculaire dans un milieu surstoechiometrique en composes oxydants, procede de preparation et utilisations |
| JP2001509432A (ja) | 1997-07-10 | 2001-07-24 | エス ケー コーポレイション | 窒素酸化物の除去のための選択的触媒還元及びその触媒体 |
| FR2847830B1 (fr) * | 2002-12-02 | 2005-08-12 | Irma | Procede de decomposition catalytique de n2o en n2 et o2 realise a haute temperature |
| US20040127584A1 (en) * | 2002-12-31 | 2004-07-01 | Phillips Petroleum Company | Chemical vapor deposition synthesis of polymerization catalyst composition |
| WO2005097319A1 (en) * | 2004-04-08 | 2005-10-20 | Sulzer Metco (Canada) Inc. | Supported catalyst for steam methane reforming and autothermal reforming reactions |
| US7371358B2 (en) * | 2004-10-25 | 2008-05-13 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Catalyst for treatment and control of post-combustion emissions |
| US8507404B2 (en) * | 2005-07-12 | 2013-08-13 | Exxonmobil Research And Engineering Company | Regenerable sulfur traps for on-board vehicle applications |
| US10071367B1 (en) * | 2017-05-25 | 2018-09-11 | Toyota Motor Engineering & Manufacturing North America, Inc. | CeO2-NiO mixed oxide catalysts for direct NOx decomposition |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4828391A (US20110009641A1-20110113-C00116.png) * | 1971-08-19 | 1973-04-14 | ||
| JPS4852691A (US20110009641A1-20110113-C00116.png) * | 1971-10-19 | 1973-07-24 | ||
| JPS4871386A (US20110009641A1-20110113-C00116.png) * | 1971-12-28 | 1973-09-27 | ||
| JPS4892289A (US20110009641A1-20110113-C00116.png) * | 1972-03-07 | 1973-11-30 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3170758A (en) * | 1960-09-01 | 1965-02-23 | Sinclair Research Inc | Method of purifying exhaust gases |
| US3524721A (en) * | 1967-12-22 | 1970-08-18 | Ethyl Corp | Catalyst composition |
| US3718607A (en) * | 1971-07-19 | 1973-02-27 | Dow Chemical Co | Catalyst for dehydrogenation of alkanes |
| US3784675A (en) * | 1971-08-02 | 1974-01-08 | Gulf Research Development Co | Process for reducing the content of nitrogen oxides in the exhaust gases from internal combustion engines |
| US3886260A (en) * | 1971-09-25 | 1975-05-27 | Monsanto Co | Process for reducing nitrogen oxides |
-
1973
- 1973-08-27 JP JP9585473A patent/JPS5410944B2/ja not_active Expired
-
1974
- 1974-08-27 US US05/501,078 patent/US4018710A/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4828391A (US20110009641A1-20110113-C00116.png) * | 1971-08-19 | 1973-04-14 | ||
| JPS4852691A (US20110009641A1-20110113-C00116.png) * | 1971-10-19 | 1973-07-24 | ||
| JPS4871386A (US20110009641A1-20110113-C00116.png) * | 1971-12-28 | 1973-09-27 | ||
| JPS4892289A (US20110009641A1-20110113-C00116.png) * | 1972-03-07 | 1973-11-30 |
Also Published As
| Publication number | Publication date |
|---|---|
| US4018710A (en) | 1977-04-19 |
| JPS5045793A (US20110009641A1-20110113-C00116.png) | 1975-04-24 |
