FR2273589A1 - Catalyseurs pour gaz d'echappement d'automobiles et procede de leur preparation - Google Patents

Catalyseurs pour gaz d'echappement d'automobiles et procede de leur preparation

Info

Publication number
FR2273589A1
FR2273589A1 FR7517454A FR7517454A FR2273589A1 FR 2273589 A1 FR2273589 A1 FR 2273589A1 FR 7517454 A FR7517454 A FR 7517454A FR 7517454 A FR7517454 A FR 7517454A FR 2273589 A1 FR2273589 A1 FR 2273589A1
Authority
FR
France
Prior art keywords
preparation
exhaust gas
automotive exhaust
catalyzers
gas catalyzers
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.)
Withdrawn
Application number
FR7517454A
Other languages
English (en)
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.)
GCP Products UK Ltd
WR Grace and Co Conn
Original Assignee
WR Grace Ltd
WR Grace and Co Conn
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 WR Grace Ltd, WR Grace and Co Conn filed Critical WR Grace Ltd
Publication of FR2273589A1 publication Critical patent/FR2273589A1/fr
Withdrawn legal-status Critical Current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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • 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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/63—Platinum group metals with rare earths or actinides
    • 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)
  • Carbon And Carbon Compounds (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
FR7517454A 1974-06-05 1975-06-04 Catalyseurs pour gaz d'echappement d'automobiles et procede de leur preparation Withdrawn FR2273589A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/476,505 US3932309A (en) 1974-06-05 1974-06-05 Auto exhaust catalysts prepared from sulfite treated platinum and palladium salt solutions

Publications (1)

Publication Number Publication Date
FR2273589A1 true FR2273589A1 (fr) 1976-01-02

Family

ID=23892115

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7517454A Withdrawn FR2273589A1 (fr) 1974-06-05 1975-06-04 Catalyseurs pour gaz d'echappement d'automobiles et procede de leur preparation

Country Status (6)

Country Link
US (1) US3932309A (fr)
JP (1) JPS5939181B2 (fr)
DE (1) DE2524483C2 (fr)
FR (1) FR2273589A1 (fr)
GB (1) GB1514947A (fr)
IT (1) IT1038683B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002651A1 (fr) * 1977-12-12 1979-06-27 United Technologies Corporation Procédé de fabrication d'un catalyseur de platine sur un matériau de support
EP0094684A3 (en) * 1982-05-19 1984-10-24 Phillips Petroleum Company Impregnating a noble metal on the surface of a refractory catalyst support

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4102819A (en) * 1973-12-28 1978-07-25 Prototech, Inc. Finely particulated colloidal platinum, compound and sol for producing the same, and method of preparation
JPS52147584A (en) * 1976-06-02 1977-12-08 Nissan Motor Co Ltd Production of exhaust gas treatment catalyst
US4324700A (en) * 1978-12-08 1982-04-13 Johnson Matthey Public Limited Company Process for preparing platinum group metal catalysts
US4405506A (en) * 1981-04-13 1983-09-20 W. R. Grace & Co. Supported platinum group metal catalysts with controlled metal penetration
US4370260A (en) * 1981-04-20 1983-01-25 W. R. Grace & Co. Method of preparing supported platinum group metal catalysts
US4520223A (en) * 1982-05-19 1985-05-28 Mcginnis Roger N Dehydrogenation process
US4476246A (en) * 1983-01-26 1984-10-09 W. R. Grace & Co. Doubly promoted platinum group metal catalysts for emission control
US4510261A (en) * 1983-10-17 1985-04-09 W. R. Grace & Co. Catalyst with high geometric surface area
US4510262A (en) * 1983-10-17 1985-04-09 W. R. Grace & Co. Doubly promoted catalyst with high geometric surface area
US4608357A (en) * 1984-02-06 1986-08-26 Engelhard Corporation Catalytic cracking with mullite composition promoted combustion of carbon monoxide
US4585752A (en) * 1984-08-15 1986-04-29 W. R. Grace & Co. Catalyst composition for ultra high temperature operation
GB9010709D0 (en) * 1990-05-12 1990-07-04 Johnson Matthey Plc Catalytic reduction
WO1992014547A1 (fr) * 1991-02-14 1992-09-03 The Regents Of The University Of California Reacteur catalytique avec aerosol a molecules libres immobilises
US6664439B1 (en) 1998-04-28 2003-12-16 The Procter & Gamble Company Absorbent articles with distribution materials positioned underneath storage material
EP2019730A4 (fr) * 2006-05-02 2010-12-22 Reliance Ind Ltd Catalyseur d'oxydation pour la purification du gaz d'azote contenant des impuretes organiques
EP3581269B1 (fr) 2017-04-11 2022-09-28 Cataler Corporation Catalyseur pour la purification de gaz d'échappement et procédé de preparation
JP6990161B2 (ja) 2018-10-04 2022-02-15 株式会社キャタラー 排ガス浄化用触媒
CN116262226B (zh) * 2021-12-15 2025-10-31 中国科学院大连化学物理研究所 一种担载型钯纳米催化剂的制备方法及应用
CN114588930B (zh) * 2022-03-09 2023-07-21 华南理工大学 一种全硅ZSM-5分子筛负载Pd及其制备方法和应用
CN119481117B (zh) * 2025-01-14 2025-04-18 清氢(北京)科技有限公司 一种燃料电池废旧铂碳催化剂回收制备铂碳催化剂的方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3636029A (en) * 1968-03-01 1972-01-18 Olin Corp Catalytic carbonylation of nitro compounds to prepare isocyanates
CS188122B2 (en) * 1971-02-08 1979-02-28 Kurt Habig Method of production the sulfide catalysts with the platinum on coal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002651A1 (fr) * 1977-12-12 1979-06-27 United Technologies Corporation Procédé de fabrication d'un catalyseur de platine sur un matériau de support
EP0094684A3 (en) * 1982-05-19 1984-10-24 Phillips Petroleum Company Impregnating a noble metal on the surface of a refractory catalyst support

Also Published As

Publication number Publication date
JPS5939181B2 (ja) 1984-09-21
DE2524483C2 (de) 1986-12-04
US3932309A (en) 1976-01-13
GB1514947A (en) 1978-06-21
JPS516889A (fr) 1976-01-20
IT1038683B (it) 1979-11-30
DE2524483A1 (de) 1976-01-02

Similar Documents

Publication Publication Date Title
FR2328512A1 (fr) Catalyseur de purification des emissions de gaz d'echappement d'automobiles et son procede de fabrication
JPS51146635A (en) Exhaust reecirculation device for diesel engine
BE836809A (fr) Installation d'analyse des gaz d'echappement d'un vehicule
DE2860740D1 (en) Novel combustion catalyst and process for preparing same
CA1036078A (fr) Appareil de filtration des gaz d'echappement d'un moteur
BE834417A (fr) Procede pour la preparation de gaz reducteur
FR2289237A1 (fr) Catalyseur de desulfuration et procede de desulfuration d'hydrocarbures
BR7508505A (pt) Sistema de analise de gas de exaustao de veiculos
GB1437315A (en) Apparatus for purifying exhaust gases from combustion engines
BE845525A (fr) Procede d'epuration de gaz d'echappement d'automobiles et catalyseurs pour l'execution de ce procede
GB1551920A (en) Apparatus for quickly evalutaing engine exhaust gas emissions
BE772344A (fr) Procede de decontamination des gaz d'echappement de moteurs d'automobiles
CS194701B2 (en) Method of determination of exhaust gases of the vehicle engines and device for executing the same
JPS5220989A (en) Catalysts for depolluting engine exhaust gases
JPS54133216A (en) Apparatus for purifying exhaust gas from internal combustionengine
JPS5358985A (en) Catalysts for reducing automobile exhaust gas pollution and manufacture
JPS5420216A (en) Device of purifying exhaust gas for automobile
AU517104B2 (en) Purifying process for diesel engine exhaust gases
AU443910B2 (en) Process and catalyst for treating combustion exhaust gas
CA953515A (en) Apparatus for purifying automobile exhaust gas
JPS52101314A (en) Exhaust gas purifying apparatus for automobile
JPS5378975A (en) Combustion exhaust gas purifying apparatus
BE809613A (fr) Catalyseurs pour la purification de gaz d'echappement
BE867586A (fr) Detecteur de gaz d'echappement pour vehicules automobiles
CA979182A (en) Process for purifying exhaust gases from an automotive engine

Legal Events

Date Code Title Description
ST Notification of lapse