FR2137589A1 - - Google Patents
Info
- Publication number
- FR2137589A1 FR2137589A1 FR7216239A FR7216239A FR2137589A1 FR 2137589 A1 FR2137589 A1 FR 2137589A1 FR 7216239 A FR7216239 A FR 7216239A FR 7216239 A FR7216239 A FR 7216239A FR 2137589 A1 FR2137589 A1 FR 2137589A1
- Authority
- FR
- France
- 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.)
- Granted
Links
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
- B01D53/9459—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
-
- 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
-
- 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
- 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
- B01D2255/10—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
- B01D2255/20—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
- B01D2255/20753—Nickel
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1372271A GB1384248A (en) | 1971-05-07 | 1971-05-07 | Catalytic process |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2137589A1 true FR2137589A1 (fr) | 1972-12-29 |
FR2137589B1 FR2137589B1 (fr) | 1975-08-01 |
Family
ID=10028187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7216239A Expired FR2137589B1 (fr) | 1971-05-07 | 1972-05-05 |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH538598A (fr) |
DE (1) | DE2222467A1 (fr) |
FR (1) | FR2137589B1 (fr) |
GB (1) | GB1384248A (fr) |
ZA (1) | ZA723019B (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2460709A1 (fr) * | 1979-07-09 | 1981-01-30 | Renault | Dispositif de protection de reacteurs catalytiques |
CN108671742A (zh) * | 2017-11-21 | 2018-10-19 | 南京钟腾化工有限公司 | 正丁烷法生产顺酐的尾气处理系统及方法 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3502866A1 (de) * | 1984-09-19 | 1986-03-20 | Klaus Prof. Dr.rer.nat. 4430 Steinfurt Mangold | Zweistufen-verfahren und vorrichtung zur reinigung von verbrennungsgasen |
US4912776A (en) * | 1987-03-23 | 1990-03-27 | W. R. Grace & Co.-Conn. | Process for removal of NOx from fluid streams |
US5010051A (en) * | 1989-11-08 | 1991-04-23 | Engelhard Corporation | Staged three-way conversion catalyst and method of using the same |
US6087295A (en) | 1992-12-14 | 2000-07-11 | Asec Manufacturing | Reduction of NOx in the exhaust gases from internal combustion engines containing excess oxygen |
EP0605991A1 (fr) * | 1993-01-07 | 1994-07-13 | Ford Motor Company Limited | Système catalytique contenant seulement des métaux de base pour moteurs à combustion interne |
JPH08103656A (ja) * | 1994-10-06 | 1996-04-23 | N E Chemcat Corp | 排気ガスの浄化用触媒及びその方法 |
JP4716087B2 (ja) | 2005-02-18 | 2011-07-06 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
-
1971
- 1971-05-07 GB GB1372271A patent/GB1384248A/en not_active Expired
-
1972
- 1972-05-03 ZA ZA723019A patent/ZA723019B/xx unknown
- 1972-05-05 CH CH667172A patent/CH538598A/de not_active IP Right Cessation
- 1972-05-05 FR FR7216239A patent/FR2137589B1/fr not_active Expired
- 1972-05-08 DE DE19722222467 patent/DE2222467A1/de active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2460709A1 (fr) * | 1979-07-09 | 1981-01-30 | Renault | Dispositif de protection de reacteurs catalytiques |
CN108671742A (zh) * | 2017-11-21 | 2018-10-19 | 南京钟腾化工有限公司 | 正丁烷法生产顺酐的尾气处理系统及方法 |
Also Published As
Publication number | Publication date |
---|---|
ZA723019B (en) | 1974-01-30 |
GB1384248A (en) | 1975-02-19 |
FR2137589B1 (fr) | 1975-08-01 |
DE2222467A1 (de) | 1973-01-11 |
CH538598A (de) | 1973-06-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |