FR2146440A1 - - Google Patents

Info

Publication number
FR2146440A1
FR2146440A1 FR7226246A FR7226246A FR2146440A1 FR 2146440 A1 FR2146440 A1 FR 2146440A1 FR 7226246 A FR7226246 A FR 7226246A FR 7226246 A FR7226246 A FR 7226246A FR 2146440 A1 FR2146440 A1 FR 2146440A1
Authority
FR
France
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Withdrawn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
FR7226246A
Other languages
French (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.)
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 FR2146440A1 publication Critical patent/FR2146440A1/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Withdrawn legal-status Critical Current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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/005—Spinels
    • 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
    • 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
    • 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)
FR7226246A 1971-07-20 1972-07-20 Withdrawn FR2146440A1 (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16446571A 1971-07-20 1971-07-20

Publications (1)

Publication Number Publication Date
FR2146440A1 true FR2146440A1 (nl) 1973-03-02

Family

ID=22594612

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7226246A Withdrawn FR2146440A1 (nl) 1971-07-20 1972-07-20

Country Status (5)

Country Link
DE (1) DE2233187A1 (nl)
FR (1) FR2146440A1 (nl)
GB (1) GB1369745A (nl)
IT (1) IT962926B (nl)
NL (1) NL7210062A (nl)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2321940A1 (fr) * 1975-08-27 1977-03-25 Engelhard Min & Chem Catalyseurs polyfonctionnels et procede d'utilisation
FR2405093A1 (fr) * 1977-10-07 1979-05-04 Degussa Catalyseur faconne, procede pour sa fabrication et son application
FR2655878A1 (fr) * 1989-12-20 1991-06-21 Gaz De France Catalyseurs d'oxydation et procede de combustion utilisant de tels catalyseurs.

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2721574C3 (de) * 1977-05-13 1981-06-11 Giulini Chemie Gmbh, 6700 Ludwigshafen Verfahren zur Herstellung von Magnesiumspinell
DE3731889A1 (de) * 1987-09-01 1989-06-29 Mototech Motoren Umweltschutz Dieselruss-partikelfilter und verfahren zu seiner herstellung
DE3729126A1 (de) * 1987-09-01 1989-04-06 Mototech Motoren Umweltschutz Dieselruss-partikelfilter und verfahren zu seiner herstellung
JP4325648B2 (ja) * 2005-10-24 2009-09-02 トヨタ自動車株式会社 触媒担体及び排ガス浄化用触媒
CN113117694A (zh) * 2021-04-20 2021-07-16 中国科学院生态环境研究中心 一种钴铝尖晶石负载Pd-Pt催化剂及其制备方法与应用

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2321940A1 (fr) * 1975-08-27 1977-03-25 Engelhard Min & Chem Catalyseurs polyfonctionnels et procede d'utilisation
FR2405093A1 (fr) * 1977-10-07 1979-05-04 Degussa Catalyseur faconne, procede pour sa fabrication et son application
FR2655878A1 (fr) * 1989-12-20 1991-06-21 Gaz De France Catalyseurs d'oxydation et procede de combustion utilisant de tels catalyseurs.

Also Published As

Publication number Publication date
IT962926B (it) 1973-12-31
GB1369745A (en) 1974-10-09
NL7210062A (nl) 1973-01-23
DE2233187A1 (de) 1973-02-08

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Legal Events

Date Code Title Description
ST Notification of lapse