FR2173041B1 - - Google Patents

Info

Publication number
FR2173041B1
FR2173041B1 FR7305805A FR7305805A FR2173041B1 FR 2173041 B1 FR2173041 B1 FR 2173041B1 FR 7305805 A FR7305805 A FR 7305805A FR 7305805 A FR7305805 A FR 7305805A FR 2173041 B1 FR2173041 B1 FR 2173041B1
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.)
Expired
Application number
FR7305805A
Other languages
French (fr)
Other versions
FR2173041A1 (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.)
SHELL INT RESEARCH
Shell Internationale Research Maatschappij BV
Original Assignee
SHELL INT RESEARCH
Shell Internationale Research Maatschappij BV
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 SHELL INT RESEARCH, Shell Internationale Research Maatschappij BV filed Critical SHELL INT RESEARCH
Publication of FR2173041A1 publication Critical patent/FR2173041A1/fr
Application granted granted Critical
Publication of FR2173041B1 publication Critical patent/FR2173041B1/fr
Granted 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
    • B01J23/74—Iron group metals
    • B01J23/75—Cobalt
    • 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)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
FR7305805A 1972-02-21 1973-02-19 Purificn of exhaust gases - using catalysts contg cobalt and opt copper, on alumina or zirconia carriers Granted FR2173041A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB794972 1972-02-21
GB4658872 1972-10-10

Publications (2)

Publication Number Publication Date
FR2173041A1 FR2173041A1 (en) 1973-10-05
FR2173041B1 true FR2173041B1 (enrdf_load_stackoverflow) 1976-09-10

Family

ID=26241773

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7305805A Granted FR2173041A1 (en) 1972-02-21 1973-02-19 Purificn of exhaust gases - using catalysts contg cobalt and opt copper, on alumina or zirconia carriers

Country Status (5)

Country Link
JP (1) JPS4897789A (enrdf_load_stackoverflow)
AU (1) AU5232373A (enrdf_load_stackoverflow)
DE (1) DE2308109A1 (enrdf_load_stackoverflow)
FR (1) FR2173041A1 (enrdf_load_stackoverflow)
IT (1) IT983460B (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE21340T1 (de) * 1982-11-22 1986-08-15 Shell Int Research Verfahren zur herstellung eines fischer-tropsch- katalysators, der auf diese weise hergestellte katalysator und seine verwendung zur herstellung von kohlenwasserstoffen.
JPH0884911A (ja) * 1994-09-14 1996-04-02 I C T:Kk 窒素酸化物分解用触媒およびこれを用いたディーゼルエンジン排ガスの浄化方法

Also Published As

Publication number Publication date
JPS4897789A (enrdf_load_stackoverflow) 1973-12-12
DE2308109A1 (de) 1973-08-30
AU5232373A (en) 1974-08-22
FR2173041A1 (en) 1973-10-05
IT983460B (it) 1974-10-31

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Legal Events

Date Code Title Description
ST Notification of lapse