FR2449475B1 - Catalyseurs pour la purification des gaz d'echappement de moteurs a combustion interne; procede de preparation et emploi de ces catalyseurs - Google Patents

Catalyseurs pour la purification des gaz d'echappement de moteurs a combustion interne; procede de preparation et emploi de ces catalyseurs

Info

Publication number
FR2449475B1
FR2449475B1 FR8004002A FR8004002A FR2449475B1 FR 2449475 B1 FR2449475 B1 FR 2449475B1 FR 8004002 A FR8004002 A FR 8004002A FR 8004002 A FR8004002 A FR 8004002A FR 2449475 B1 FR2449475 B1 FR 2449475B1
Authority
FR
France
Prior art keywords
catalysts
purification
preparation
internal combustion
exhaust gases
Prior art date
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
Application number
FR8004002A
Other languages
English (en)
Other versions
FR2449475A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
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 Degussa GmbH, Deutsche Gold und Silber Scheideanstalt filed Critical Degussa GmbH
Publication of FR2449475A1 publication Critical patent/FR2449475A1/fr
Application granted granted Critical
Publication of FR2449475B1 publication Critical patent/FR2449475B1/fr
Expired legal-status Critical Current

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
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • 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)
  • 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)
FR8004002A 1979-02-23 1980-02-22 Catalyseurs pour la purification des gaz d'echappement de moteurs a combustion interne; procede de preparation et emploi de ces catalyseurs Expired FR2449475B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2907106A DE2907106C2 (de) 1979-02-23 1979-02-23 Abgaskatalysator und seine Verwendung zur Reinigung der Abgase von Verbrennungskraftmaschinen

Publications (2)

Publication Number Publication Date
FR2449475A1 FR2449475A1 (fr) 1980-09-19
FR2449475B1 true FR2449475B1 (fr) 1986-05-16

Family

ID=6063765

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8004002A Expired FR2449475B1 (fr) 1979-02-23 1980-02-22 Catalyseurs pour la purification des gaz d'echappement de moteurs a combustion interne; procede de preparation et emploi de ces catalyseurs

Country Status (11)

Country Link
US (1) US4294726A (fr)
JP (1) JPS5945416B2 (fr)
BR (1) BR8001015A (fr)
CA (1) CA1125265A (fr)
DE (1) DE2907106C2 (fr)
ES (1) ES487743A1 (fr)
FR (1) FR2449475B1 (fr)
GB (1) GB2048101B (fr)
IT (1) IT1133053B (fr)
SE (1) SE445302B (fr)
SU (1) SU1170958A3 (fr)

Families Citing this family (98)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2495957B1 (fr) * 1980-12-17 1986-09-12 Pro Catalyse Catalyseur et procede perfectionnes pour le traitement des gaz d'echappement des moteurs a combustion interne
AU7959082A (en) * 1981-01-20 1982-07-29 Johnson Matthey Public Ltd. Co. Three-way catalysts for exhaust gas
FR2501065B1 (fr) 1981-03-09 1986-02-07 Pro Catalyse Catalyseur et procede perfectionnes pour le traitement des gaz d'echappement des moteurs a combustion interne
JPS5881441A (ja) * 1981-11-11 1983-05-16 Nippon Shokubai Kagaku Kogyo Co Ltd 排ガス浄化用触媒の製法
JPS59199042A (ja) * 1983-04-28 1984-11-12 Nissan Motor Co Ltd メタノ−ル改質用触媒
CA1213874A (fr) * 1983-05-12 1986-11-12 Tomohisa Ohata Obtention d'un catalyseur alveolaire pour la conversion des gaz d'echappement
JPS60110334A (ja) * 1983-11-21 1985-06-15 Nissan Motor Co Ltd 排ガス浄化用触媒の製造方法
FR2556236B1 (fr) * 1983-12-09 1988-04-01 Pro Catalyse Procede de fabrication d'un catalyseur pour le traitement des gaz d'echappement
FR2568143B1 (fr) * 1984-07-30 1986-12-05 Prod Catalyse Ste Fse Catalyseur et procede pour le traitement des gaz d'echappement des moteurs a combustion interne
US4585752A (en) * 1984-08-15 1986-04-29 W. R. Grace & Co. Catalyst composition for ultra high temperature operation
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DE3539127C1 (de) * 1985-11-05 1987-01-02 Hoechst Ag Verfahren zur Herstellung eines Traegerkatalysators
FR2595265B1 (fr) * 1986-03-07 1992-10-09 Pro Catalyse Catalyseur et procede pour le traitement des gaz d'echappement des moteurs a combustion interne
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US4921830A (en) * 1988-04-13 1990-05-01 Phillips Petroleum Company Catalyst for the oxidation of carbon monoxide
DE3830319C1 (fr) * 1988-09-07 1989-07-20 Degussa Ag, 6000 Frankfurt, De
DE3830318A1 (de) * 1988-09-07 1990-03-15 Degussa Abgaskatalysator mit verminderter neigung zu speicherung von schwefeloxiden und schwefelwasserstoffemission
US4923842A (en) * 1988-10-11 1990-05-08 Allied-Signal Inc. Lanthanum containing catalyst for treating automotive exhaust
US4977129A (en) * 1989-03-13 1990-12-11 W. R Grace & Co.-Conn. Auto exhaust catalyst composition having low H2 S emissions and method of making the catalyst
US4956330A (en) * 1989-06-19 1990-09-11 Phillips Petroleum Company Catalyst composition for the oxidation of carbon monoxide
US5137703A (en) * 1989-06-26 1992-08-11 Trustees Of Boston University Thermal catalytic methods for converting oxides of nitrogen into environmentally compatible products
DE3929297C2 (de) * 1989-07-28 1996-03-14 Degussa Katalysator zur Reinigung von Abgasen aus überstöchiometrisch betriebenen Verbrennungsmotoren und Gasturbinen
US5041407A (en) * 1989-12-14 1991-08-20 Allied-Signal Inc. High-temperature three-way catalyst for treating automotive exhaust gases
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US5254519A (en) * 1990-02-22 1993-10-19 Engelhard Corporation Catalyst composition containing platinum and rhodium components
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US5212142A (en) * 1991-11-04 1993-05-18 Engelhard Corporation High performance thermally stable catalyst
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BR102016022962B1 (pt) * 2016-10-03 2021-10-26 Petróleo Brasileiro S.A. - Petrobras Processo de preparação de um catalisador de ferro-cromo promovido com platina, e, catalisador composto de ferro-cromo promovido com platina
CN109745997A (zh) * 2019-01-25 2019-05-14 中国建筑材料科学研究总院有限公司 球形低温脱硝催化剂的制备方法、由该方法制备的球形低温脱硝催化剂及其应用
CN113905816A (zh) * 2019-06-27 2022-01-07 巴斯夫公司 催化制品和制造催化制品的方法

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Also Published As

Publication number Publication date
ES487743A1 (es) 1980-06-16
IT8067131A0 (it) 1980-01-30
DE2907106A1 (de) 1980-09-04
BR8001015A (pt) 1980-10-29
IT1133053B (it) 1986-07-09
JPS55157327A (en) 1980-12-08
CA1125265A (fr) 1982-06-08
GB2048101B (en) 1983-04-20
DE2907106C2 (de) 1985-12-19
SE8001370L (sv) 1980-10-06
JPS5945416B2 (ja) 1984-11-06
SE445302B (sv) 1986-06-16
FR2449475A1 (fr) 1980-09-19
US4294726A (en) 1981-10-13
SU1170958A3 (ru) 1985-07-30
GB2048101A (en) 1980-12-10

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