JPS52120293A - Catalysts for oxidation and reduction - Google Patents
Catalysts for oxidation and reductionInfo
- Publication number
- JPS52120293A JPS52120293A JP2661977A JP2661977A JPS52120293A JP S52120293 A JPS52120293 A JP S52120293A JP 2661977 A JP2661977 A JP 2661977A JP 2661977 A JP2661977 A JP 2661977A JP S52120293 A JPS52120293 A JP S52120293A
- Authority
- JP
- Japan
- Prior art keywords
- catalysts
- oxidation
- reduction
- 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 1
- 230000003647 oxidation Effects 0.000 title 1
- 238000007254 oxidation reaction Methods 0.000 title 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
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
-
- 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)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Combustion & Propulsion (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9997/76A GB1579733A (en) | 1976-03-12 | 1976-03-12 | Catalysts particularly for purification of exhaust gases |
GB2514176 | 1976-06-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52120293A true JPS52120293A (en) | 1977-10-08 |
Family
ID=26243317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2661977A Pending JPS52120293A (en) | 1976-03-12 | 1977-03-12 | Catalysts for oxidation and reduction |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS52120293A (ja) |
CA (1) | CA1100470A (ja) |
DE (1) | DE2710765A1 (ja) |
FR (1) | FR2343505A1 (ja) |
SE (1) | SE426787B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05245372A (ja) * | 1991-09-12 | 1993-09-24 | Sekiyu Sangyo Kasseika Center | 窒素酸化物接触還元用触媒 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2056424B (en) * | 1979-08-08 | 1983-07-06 | Johnson Matthey Co Ltd | Decomposition of ozone |
US4343776A (en) * | 1980-12-22 | 1982-08-10 | Engelhard Corporation | Ozone abatement catalyst having improved durability and low temperature performance |
JPS58156350A (ja) * | 1982-03-12 | 1983-09-17 | Matsushita Electric Ind Co Ltd | 排ガス浄化装置 |
DE3573770D1 (en) * | 1984-08-03 | 1989-11-23 | Sievers Res Inc | Method for selective conversion of organic compounds and detecting same by gas chromatography and chemiluminescence detection |
JP2736099B2 (ja) * | 1989-02-06 | 1998-04-02 | 株式会社日本触媒 | ディーゼルエンジン排ガス浄化用触媒 |
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 |
EP0525677B1 (en) * | 1991-07-29 | 1995-12-13 | Daihatsu Motor Company, Ltd. | Exhaust gas purifying catalyst and method of preparing the same |
US5380692A (en) * | 1991-09-12 | 1995-01-10 | Sakai Chemical Industry Co., Ltd. | Catalyst for catalytic reduction of nitrogen oxide |
JP4092441B2 (ja) * | 1997-02-24 | 2008-05-28 | 日産自動車株式会社 | 排ガス浄化用触媒 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4852691A (ja) * | 1971-10-19 | 1973-07-24 | ||
GB1414133A (en) * | 1971-11-18 | 1975-11-19 | Johnson Matthey Co Ltd | Catalysis |
SE464798B (sv) * | 1973-10-24 | 1991-06-17 | Johnson Matthey Co Ltd | Katalysator innefattande ett substrat, ett mellanliggande oxidskikt och ett katalytiskt skikt |
CA1077011A (en) * | 1975-04-08 | 1980-05-06 | Elrey L. Mccann (Iii) | Catalytic metal oxides on perovskite supports |
-
1977
- 1977-03-07 SE SE7702518A patent/SE426787B/xx unknown
- 1977-03-09 FR FR7706973A patent/FR2343505A1/fr active Granted
- 1977-03-11 CA CA273,815A patent/CA1100470A/en not_active Expired
- 1977-03-11 DE DE19772710765 patent/DE2710765A1/de not_active Ceased
- 1977-03-12 JP JP2661977A patent/JPS52120293A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05245372A (ja) * | 1991-09-12 | 1993-09-24 | Sekiyu Sangyo Kasseika Center | 窒素酸化物接触還元用触媒 |
JP2838336B2 (ja) * | 1991-09-12 | 1998-12-16 | 工業技術院長 | 窒素酸化物接触還元用触媒 |
Also Published As
Publication number | Publication date |
---|---|
DE2710765A1 (de) | 1977-09-22 |
CA1100470A (en) | 1981-05-05 |
FR2343505A1 (fr) | 1977-10-07 |
SE7702518L (sv) | 1977-09-13 |
SE426787B (sv) | 1983-02-14 |
FR2343505B1 (ja) | 1982-10-15 |
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