JPS5627293B1 - - Google Patents
Info
- Publication number
- JPS5627293B1 JPS5627293B1 JP3948972A JP3948972A JPS5627293B1 JP S5627293 B1 JPS5627293 B1 JP S5627293B1 JP 3948972 A JP3948972 A JP 3948972A JP 3948972 A JP3948972 A JP 3948972A JP S5627293 B1 JPS5627293 B1 JP S5627293B1
- 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.)
- Pending
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
- B01D53/9445—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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/005—Spinels
-
- 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
- B01J23/84—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 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/86—Chromium
- B01J23/866—Nickel and chromium
-
- 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)
- 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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7113858A FR2134762A5 (en) | 1971-04-19 | 1971-04-19 | Decomposing oxides of nitrogen |
| FR7143394A FR2163830A6 (enExample) | 1971-04-19 | 1971-12-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5627293B1 true JPS5627293B1 (enExample) | 1981-06-24 |
Family
ID=26216344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3948972A Pending JPS5627293B1 (enExample) | 1971-04-19 | 1972-04-19 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5627293B1 (enExample) |
| BE (1) | BE781951A (enExample) |
| CA (1) | CA992057A (enExample) |
| DE (1) | DE2218665C3 (enExample) |
| FR (1) | FR2163830A6 (enExample) |
| GB (1) | GB1373280A (enExample) |
| IT (1) | IT953675B (enExample) |
| NL (1) | NL7205239A (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1295813C (en) * | 1988-12-14 | 1992-02-18 | Karl T. Chuang | Reduction of nitrogen oxides |
| EP1304164A1 (en) * | 2001-10-15 | 2003-04-23 | Haldor Topsoe A/S | Process for the production of mixed metal oxide containing catalysts |
| CN111659187B (zh) * | 2020-06-01 | 2022-03-01 | 南昌航空大学 | 一种污水处理用压电泡沫陶瓷过滤器的制备方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1767064A1 (de) * | 1968-03-27 | 1970-09-17 | Basf Ag | Katalysator fuer die Herstellung von Wasserstoff aus kohlenmonoxidhaltigen Gasen |
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1971
- 1971-12-02 FR FR7143394A patent/FR2163830A6/fr not_active Expired
-
1972
- 1972-04-12 BE BE781951A patent/BE781951A/xx unknown
- 1972-04-18 CA CA139,972A patent/CA992057A/fr not_active Expired
- 1972-04-18 GB GB1791972A patent/GB1373280A/en not_active Expired
- 1972-04-18 DE DE2218665A patent/DE2218665C3/de not_active Expired
- 1972-04-19 NL NL7205239A patent/NL7205239A/xx not_active Application Discontinuation
- 1972-04-19 IT IT23329/72A patent/IT953675B/it active
- 1972-04-19 JP JP3948972A patent/JPS5627293B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1373280A (en) | 1974-11-06 |
| DE2218665C3 (de) | 1981-12-03 |
| DE2218665B2 (de) | 1980-08-07 |
| FR2163830A6 (enExample) | 1973-07-27 |
| DE2218665A1 (de) | 1972-11-09 |
| NL7205239A (enExample) | 1972-10-23 |
| CA992057A (fr) | 1976-06-29 |
| BE781951A (fr) | 1972-10-12 |
| IT953675B (it) | 1973-08-10 |