IT976205B - PROCEDURE AND CATALYST FOR THE PURIFICATION OF EXHAUST GAS - Google Patents
PROCEDURE AND CATALYST FOR THE PURIFICATION OF EXHAUST GASInfo
- Publication number
- IT976205B IT976205B IT7271109A IT7110972A IT976205B IT 976205 B IT976205 B IT 976205B IT 7271109 A IT7271109 A IT 7271109A IT 7110972 A IT7110972 A IT 7110972A IT 976205 B IT976205 B IT 976205B
- Authority
- IT
- Italy
- Prior art keywords
- purification
- catalyst
- procedure
- exhaust gas
- exhaust
- Prior art date
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
-
- 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)
- 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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP47002226A JPS4871388A (en) | 1971-12-28 | 1971-12-28 | |
JP47005882A JPS4875456A (en) | 1972-01-14 | 1972-01-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT976205B true IT976205B (en) | 1974-08-20 |
Family
ID=26335567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT7271109A IT976205B (en) | 1971-12-28 | 1972-12-28 | PROCEDURE AND CATALYST FOR THE PURIFICATION OF EXHAUST GAS |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2263387A1 (en) |
FR (1) | FR2170614A5 (en) |
IT (1) | IT976205B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4297328A (en) * | 1979-09-28 | 1981-10-27 | Union Carbide Corporation | Three-way catalytic process for gaseous streams |
DE3405100A1 (en) * | 1984-02-14 | 1985-08-14 | Drägerwerk AG, 2400 Lübeck | PT CATALYST ON A CARRIER AS AN AIR PURIFIER |
-
1972
- 1972-12-23 DE DE2263387A patent/DE2263387A1/en active Pending
- 1972-12-28 FR FR7246734A patent/FR2170614A5/en not_active Expired
- 1972-12-28 IT IT7271109A patent/IT976205B/en active
Also Published As
Publication number | Publication date |
---|---|
FR2170614A5 (en) | 1973-09-14 |
DE2263387A1 (en) | 1973-07-26 |
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