IT977472B - Catalizzatore per il trattamento dei gas di scappamento dei motori - Google Patents
Catalizzatore per il trattamento dei gas di scappamento dei motoriInfo
- Publication number
- IT977472B IT977472B IT48408/73A IT4840873A IT977472B IT 977472 B IT977472 B IT 977472B IT 48408/73 A IT48408/73 A IT 48408/73A IT 4840873 A IT4840873 A IT 4840873A IT 977472 B IT977472 B IT 977472B
- Authority
- IT
- Italy
- Prior art keywords
- engines
- catalyst
- treatment
- exhaust gases
- gases
- 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
-
- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
-
- 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
- B01J23/8933—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 also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
-
- 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
- B01J23/8933—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 also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/8993—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 also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with chromium, molybdenum or tungsten
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7206018A FR2186290B1 (it) | 1972-02-23 | 1972-02-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT977472B true IT977472B (it) | 1974-09-10 |
Family
ID=9093958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48408/73A IT977472B (it) | 1972-02-23 | 1973-03-22 | Catalizzatore per il trattamento dei gas di scappamento dei motori |
Country Status (6)
Country | Link |
---|---|
US (1) | US3881696A (it) |
JP (1) | JPS48103458A (it) |
DE (1) | DE2308606A1 (it) |
FR (1) | FR2186290B1 (it) |
IT (1) | IT977472B (it) |
NL (1) | NL7302560A (it) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4034060A (en) * | 1972-10-13 | 1977-07-05 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler | Exhaust gas purifying catalyst and process of making and using same |
JPS5138291A (it) * | 1974-09-02 | 1976-03-30 | Efuimoitsuchi Doronof Arekusei | |
US3960710A (en) * | 1974-11-08 | 1976-06-01 | Universal Oil Products Company | Hydrocarbon conversion with an acidic multimetallic catalytic composite |
US4028223A (en) * | 1974-11-08 | 1977-06-07 | Uop Inc. | Guard beds in hydrocarbon conversion with an acidic multimetallic catalytic composite |
US4009123A (en) * | 1974-11-08 | 1977-02-22 | Uop Inc. | Acidic multimetallic catalytic composite |
FR2293965A1 (fr) * | 1974-12-13 | 1976-07-09 | Oxycatalyse Ste Fse | Purification des gaz d'echappement des moteurs a explosion ou a combustion interne |
JPS51104488A (en) * | 1975-03-13 | 1976-09-16 | Toyota Motor Co Ltd | Shokubaitantai oyobi shokubai |
US3960711A (en) * | 1975-04-02 | 1976-06-01 | Universal Oil Products Company | Hydrocarbon conversion with an acidic multimetallic catalytic composite |
US4013735A (en) * | 1975-04-02 | 1977-03-22 | Uop Inc. | Dehydrocyclization with an acidic multimetallic catalytic composite |
US3998724A (en) * | 1975-05-12 | 1976-12-21 | Universal Oil Products Company | Hydrocarbon conversion with an acidic multimetallic catalytic composite |
MX4509E (es) * | 1975-08-27 | 1982-06-02 | Engelhard Min & Chem | Composicion catalitica mejorada para oxidar en forma simultanea hidrocarburos gascosos y monoxido de carbono y reducir oxidos de nitrogeno |
JPS5252193A (en) * | 1975-10-23 | 1977-04-26 | Toyota Motor Corp | Catalyst for purifying exhaust gas from cars |
US4009096A (en) * | 1976-01-12 | 1977-02-22 | Uop Inc. | Hydroprocessing of hydrocarbons |
US4200552A (en) * | 1976-10-06 | 1980-04-29 | Toyota Jidosha Kogyo Kabushiki Kaisha | Catalyst carrier, catalyst and their manufacturing process |
JPS5392396A (en) * | 1977-01-07 | 1978-08-14 | Matsushita Electric Ind Co Ltd | Production of exhaust gas purification catalyst |
US4131628A (en) * | 1977-02-22 | 1978-12-26 | Uop Inc. | Hydrocarbon dehydrogenation using nonacidic multimetallic catalyst |
CA1098889A (en) * | 1977-06-21 | 1981-04-07 | Alan C. Kirby | Explosion proof bed for catalyst combustion heaters |
ZA837689B (en) * | 1982-10-18 | 1984-06-27 | Universal Matthey Prod | Oxidation catalysts |
DE3532207A1 (de) * | 1985-09-10 | 1987-03-19 | Didier Eng | Verfahren zur herstellung von katalysatorformlingen |
CA2044893C (en) * | 1990-06-20 | 1998-11-03 | Senshi Kasahara | Transition metal-containing zeolite having high hydrothermal stability, production method thereof and method of using same |
EP0727248B1 (en) * | 1995-02-17 | 1998-08-19 | ICT Co., Ltd. | Catalyst for purification of diesel engine exhaust gas |
US6641790B2 (en) * | 1997-05-17 | 2003-11-04 | Korea Power Enginering Company | Method for removing nitrogen oxides using natural manganese ores |
CA2415426C (en) * | 2000-07-12 | 2010-03-30 | Akzo Nobel Nv | Mixed metal catalyst comprising a combustible binder |
ATE549082T1 (de) * | 2001-03-29 | 2012-03-15 | Idemitsu Kosan Co | Verfahren zum reformieren eines kohlwasserstoffes |
GB2410449B (en) * | 2004-01-28 | 2008-05-21 | Statoil Asa | Fischer-Tropsch catalysts |
US20070169412A1 (en) * | 2006-01-26 | 2007-07-26 | Georgia Tech Research Corporation | Sulfur- and alkali-tolerant catalyst |
GB2446127A (en) * | 2007-01-30 | 2008-08-06 | Gtl F1 Ag | Preparation of Fischer-Tropsch Catalysts |
GB2473071B (en) | 2009-09-01 | 2013-09-11 | Gtl F1 Ag | Fischer-tropsch catalysts |
GB2475492B (en) | 2009-11-18 | 2014-12-31 | Gtl F1 Ag | Fischer-Tropsch synthesis |
WO2012020210A2 (en) | 2010-08-09 | 2012-02-16 | Gtl.F1 Ag | Fischer-tropsch catalysts |
CN112844382B (zh) * | 2021-01-27 | 2022-04-19 | 宁波方太厨具有限公司 | 一种除甲醛催化剂的制备方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE396270A (it) * | 1932-05-12 | |||
US3112277A (en) * | 1960-09-19 | 1963-11-26 | Universal Oil Prod Co | Regenerating catalysts exposed to contact with plumbiferous waste products |
US3230182A (en) * | 1962-04-13 | 1966-01-18 | Du Pont | Method of preparing a catalyst composition consisting of manganese oxide-coated alumina with nickel or cobalt chromites and the product thereof |
BE631220A (it) * | 1962-04-20 | |||
US3397154A (en) * | 1963-07-09 | 1968-08-13 | Du Pont | Preparation of alumina-supported catalyst compositions and the products thereof |
GB1116585A (en) * | 1965-11-22 | 1968-06-06 | Engelhard Min & Chem | Treatment of gases |
US3699683A (en) * | 1971-04-05 | 1972-10-24 | Chemical Construction Corp | Engine exhaust emission control system |
US3741725A (en) * | 1971-08-12 | 1973-06-26 | J Graham | Catalytic control of auto exhaust emissions |
-
1972
- 1972-02-23 FR FR7206018A patent/FR2186290B1/fr not_active Expired
-
1973
- 1973-02-21 JP JP48021124A patent/JPS48103458A/ja active Pending
- 1973-02-21 DE DE19732308606 patent/DE2308606A1/de active Pending
- 1973-02-23 US US335125A patent/US3881696A/en not_active Expired - Lifetime
- 1973-02-23 NL NL7302560A patent/NL7302560A/xx not_active Application Discontinuation
- 1973-03-22 IT IT48408/73A patent/IT977472B/it active
Also Published As
Publication number | Publication date |
---|---|
DE2308606A1 (de) | 1973-09-06 |
NL7302560A (it) | 1973-08-27 |
FR2186290B1 (it) | 1974-08-02 |
US3881696A (en) | 1975-05-06 |
FR2186290A1 (it) | 1974-01-11 |
JPS48103458A (it) | 1973-12-25 |
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