FR2180854A1 - - Google Patents
Info
- Publication number
- FR2180854A1 FR2180854A1 FR7313744A FR7313744A FR2180854A1 FR 2180854 A1 FR2180854 A1 FR 2180854A1 FR 7313744 A FR7313744 A FR 7313744A FR 7313744 A FR7313744 A FR 7313744A FR 2180854 A1 FR2180854 A1 FR 2180854A1
- 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
- B01D53/9404—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
- 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
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/46—Ruthenium, rhodium, osmium or iridium
- B01J23/464—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
- B01D2255/1021—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
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1026—Ruthenium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (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)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3786772A JPS5331838B2 (fr) | 1972-04-15 | 1972-04-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2180854A1 true FR2180854A1 (fr) | 1973-11-30 |
FR2180854B1 FR2180854B1 (fr) | 1976-06-11 |
Family
ID=12509476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7313744A Expired FR2180854B1 (fr) | 1972-04-15 | 1973-04-16 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3909456A (fr) |
JP (1) | JPS5331838B2 (fr) |
DE (1) | DE2319096A1 (fr) |
FR (1) | FR2180854B1 (fr) |
GB (1) | GB1417520A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4020013A (en) * | 1975-10-20 | 1977-04-26 | Uop Inc. | Catalytic composite for treating exhaust gases from an internal combustion engine |
US4101450A (en) * | 1977-05-09 | 1978-07-18 | Celanese Corporation | Catalyst for production of acetic acid |
US4172047A (en) * | 1978-09-18 | 1979-10-23 | Ford Motor Company | Catalyst of rhodium on alpha alumina-coated substrate |
JPS6111145A (ja) * | 1984-06-28 | 1986-01-18 | Toa Nenryo Kogyo Kk | ジオレフイン類の水素添加用触媒 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1268476A (fr) * | 1959-04-17 | 1961-08-04 | Engelhard Ind | Procédé d'élimination sélective des oxydes d'azote des courants de gaz |
FR1320722A (fr) * | 1961-03-06 | 1963-03-15 | Engelhard Ind | Procédé de traitement des gaz en particulier d'élimination des impuretés d'un mélange gazeux |
US3245920A (en) * | 1962-08-17 | 1966-04-12 | Engelhard Ind Inc | Catalyst composition consisting of a noble metal on alumina |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3118727A (en) * | 1956-10-12 | 1964-01-21 | Engelhart Ind Inc | Method of removing nitrogen oxides from gases |
US3257163A (en) * | 1965-02-12 | 1966-06-21 | Du Pont | Method of treating automobile exhaust gases |
US3637344A (en) * | 1968-10-23 | 1972-01-25 | Exxon Research Engineering Co | Method of treating exhaust gases of internal combustion engines |
NL109842C (fr) * | 1969-06-16 | 1964-11-16 | ||
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 |
US3741725A (en) * | 1971-08-12 | 1973-06-26 | J Graham | Catalytic control of auto exhaust emissions |
US3767764A (en) * | 1971-12-09 | 1973-10-23 | Grace W R & Co | System for removing nitrogen oxide from automotive exhaust |
US3809743A (en) * | 1972-01-07 | 1974-05-07 | Monsanto Co | Process for treating automotive exhaust |
-
1972
- 1972-04-15 JP JP3786772A patent/JPS5331838B2/ja not_active Expired
-
1973
- 1973-04-10 GB GB1716673A patent/GB1417520A/en not_active Expired
- 1973-04-12 US US350499A patent/US3909456A/en not_active Expired - Lifetime
- 1973-04-16 DE DE2319096A patent/DE2319096A1/de active Pending
- 1973-04-16 FR FR7313744A patent/FR2180854B1/fr not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1268476A (fr) * | 1959-04-17 | 1961-08-04 | Engelhard Ind | Procédé d'élimination sélective des oxydes d'azote des courants de gaz |
FR1320722A (fr) * | 1961-03-06 | 1963-03-15 | Engelhard Ind | Procédé de traitement des gaz en particulier d'élimination des impuretés d'un mélange gazeux |
US3245920A (en) * | 1962-08-17 | 1966-04-12 | Engelhard Ind Inc | Catalyst composition consisting of a noble metal on alumina |
Also Published As
Publication number | Publication date |
---|---|
FR2180854B1 (fr) | 1976-06-11 |
US3909456A (en) | 1975-09-30 |
GB1417520A (en) | 1975-12-10 |
JPS48103483A (fr) | 1973-12-25 |
DE2319096A1 (de) | 1973-10-31 |
JPS5331838B2 (fr) | 1978-09-05 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |