IT977472B - Catalizzatore per il trattamento dei gas di scappamento dei motori - Google Patents

Catalizzatore per il trattamento dei gas di scappamento dei motori

Info

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
Application number
IT48408/73A
Other languages
English (en)
Inventor
L Grandet
L Minjolle
J Lepeytre
Paul Claude
Original Assignee
Azote & Prod Chim
Ceraver
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Azote & Prod Chim, Ceraver filed Critical Azote & Prod Chim
Application granted granted Critical
Publication of IT977472B publication Critical patent/IT977472B/it

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)
IT48408/73A 1972-02-23 1973-03-22 Catalizzatore per il trattamento dei gas di scappamento dei motori IT977472B (it)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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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