JPS5635938B2 - - Google Patents
Info
- Publication number
- JPS5635938B2 JPS5635938B2 JP13787373A JP13787373A JPS5635938B2 JP S5635938 B2 JPS5635938 B2 JP S5635938B2 JP 13787373 A JP13787373 A JP 13787373A JP 13787373 A JP13787373 A JP 13787373A JP S5635938 B2 JPS5635938 B2 JP S5635938B2
- 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
- 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
- B01J23/70—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
- B01J23/892—Nickel and noble metals
-
- 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
-
- 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
- B01D2255/20738—Iron
-
- 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
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/51—Spheres
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)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US31506172A | 1972-12-14 | 1972-12-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5046586A JPS5046586A (enrdf_load_stackoverflow) | 1975-04-25 |
| JPS5635938B2 true JPS5635938B2 (enrdf_load_stackoverflow) | 1981-08-20 |
Family
ID=23222715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13787373A Expired JPS5635938B2 (enrdf_load_stackoverflow) | 1972-12-14 | 1973-12-12 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5635938B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1038599A (enrdf_load_stackoverflow) |
| DE (1) | DE2360975A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2326973A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1415757A (enrdf_load_stackoverflow) |
| IT (1) | IT1001405B (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2466278A1 (fr) * | 1979-10-04 | 1981-04-10 | Pro Catalyse | Catalyseur et procede de traitement des gaz d'echappement des moteurs a combustion interne |
| EP0244127A1 (en) * | 1986-04-16 | 1987-11-04 | Johnson Matthey, Inc., | Method for catalytically controlling exhaust gaz from automobiles |
| US4895824A (en) * | 1987-09-08 | 1990-01-23 | W. R. Grace & Co.-Conn. | Add-on hydrogen sulfide trap |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3259453A (en) * | 1962-07-19 | 1966-07-05 | Du Pont | Method and apparatus for treating exhaust gases of internal combustion engines |
| US3397154A (en) * | 1963-07-09 | 1968-08-13 | Du Pont | Preparation of alumina-supported catalyst compositions and the products thereof |
| US3513109A (en) * | 1967-04-19 | 1970-05-19 | Du Pont | Process for applying catalytic coatings |
| US3524721A (en) * | 1967-12-22 | 1970-08-18 | Ethyl Corp | Catalyst composition |
| GB1390182A (en) * | 1971-03-16 | 1975-04-09 | Johnson Matthey Co Ltd | Catalysis |
| JPS5338716B2 (enrdf_load_stackoverflow) * | 1972-05-08 | 1978-10-17 |
-
1973
- 1973-08-28 CA CA179,743A patent/CA1038599A/en not_active Expired
- 1973-11-30 GB GB5571873A patent/GB1415757A/en not_active Expired
- 1973-12-06 IT IT2954/73A patent/IT1001405B/it active
- 1973-12-07 DE DE2360975A patent/DE2360975A1/de not_active Withdrawn
- 1973-12-12 JP JP13787373A patent/JPS5635938B2/ja not_active Expired
- 1973-12-13 FR FR7344620A patent/FR2326973A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CA1038599A (en) | 1978-09-19 |
| JPS5046586A (enrdf_load_stackoverflow) | 1975-04-25 |
| GB1415757A (en) | 1975-11-26 |
| FR2326973A1 (fr) | 1977-05-06 |
| DE2360975A1 (de) | 1974-06-20 |
| IT1001405B (it) | 1976-04-20 |