FR2247284A1 - - Google Patents

Info

Publication number
FR2247284A1
FR2247284A1 FR7433947A FR7433947A FR2247284A1 FR 2247284 A1 FR2247284 A1 FR 2247284A1 FR 7433947 A FR7433947 A FR 7433947A FR 7433947 A FR7433947 A FR 7433947A FR 2247284 A1 FR2247284 A1 FR 2247284A1
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.)
Granted
Application number
FR7433947A
Other languages
French (fr)
Other versions
FR2247284B1 (enrdf_load_stackoverflow
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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
Priority claimed from US405052A external-priority patent/US3897367A/en
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of FR2247284A1 publication Critical patent/FR2247284A1/fr
Application granted granted Critical
Publication of FR2247284B1 publication Critical patent/FR2247284B1/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
    • B01J23/002—Mixed oxides other than spinels, e.g. perovskite
    • 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
    • B01J23/894—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 rare earths or actinides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1021—Platinum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1023—Palladium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1025—Rhodium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20738—Iron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20746—Cobalt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20753—Nickel
    • 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
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
    • 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)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
FR7433947A 1973-10-10 1974-10-09 Expired FR2247284B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US405052A US3897367A (en) 1973-10-10 1973-10-10 Metal oxide catalytic compositions
US46398874A 1974-04-25 1974-04-25
US46429974A 1974-04-26 1974-04-26

Publications (2)

Publication Number Publication Date
FR2247284A1 true FR2247284A1 (enrdf_load_stackoverflow) 1975-05-09
FR2247284B1 FR2247284B1 (enrdf_load_stackoverflow) 1979-03-30

Family

ID=27410610

Family Applications (2)

Application Number Title Priority Date Filing Date
FR7433947A Expired FR2247284B1 (enrdf_load_stackoverflow) 1973-10-10 1974-10-09
FR7433948A Withdrawn FR2247285A1 (enrdf_load_stackoverflow) 1973-10-10 1974-10-09

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR7433948A Withdrawn FR2247285A1 (enrdf_load_stackoverflow) 1973-10-10 1974-10-09

Country Status (8)

Country Link
JP (2) JPS5078567A (enrdf_load_stackoverflow)
BR (1) BR7408358D0 (enrdf_load_stackoverflow)
CA (2) CA1074081A (enrdf_load_stackoverflow)
DE (2) DE2446331A1 (enrdf_load_stackoverflow)
FR (2) FR2247284B1 (enrdf_load_stackoverflow)
GB (2) GB1489785A (enrdf_load_stackoverflow)
IT (2) IT1022653B (enrdf_load_stackoverflow)
NL (1) NL7413359A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03161052A (ja) * 1989-11-17 1991-07-11 Matsushita Electric Ind Co Ltd 排気ガス浄化触媒体およびその製造方法
EP1854538A4 (en) * 2005-03-04 2011-06-08 Daihatsu Motor Co Ltd CATALYTIC COMPOSITION
JP4969843B2 (ja) 2005-12-09 2012-07-04 新日鉄マテリアルズ株式会社 排ガス浄化用触媒及び排ガス浄化触媒部材
WO2021193851A1 (ja) * 2020-03-27 2021-09-30 京セラ株式会社 触媒、ハニカム構造体および排ガス浄化装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4852691A (enrdf_load_stackoverflow) * 1971-10-19 1973-07-24
DE2155338C2 (de) * 1971-11-08 1983-11-10 Degussa Ag, 6000 Frankfurt Verwendung eines die Elemente Ni, Co und/oder Fe sowie Ru, Ti und/oder Mn und gegebenenfalls La, Sr und/oder Ba in oxidischer Form enthaltenden Trägerkatalysators zur Oxidation brennbarer Bestandteile von Gasgemischen

Also Published As

Publication number Publication date
BR7408358D0 (pt) 1975-07-29
DE2446251A1 (de) 1975-04-17
DE2446331A1 (de) 1975-04-17
GB1489785A (en) 1977-10-26
JPS5078567A (enrdf_load_stackoverflow) 1975-06-26
NL7413359A (nl) 1975-04-14
CA1074081A (en) 1980-03-25
IT1027605B (it) 1978-12-20
FR2247284B1 (enrdf_load_stackoverflow) 1979-03-30
FR2247285A1 (enrdf_load_stackoverflow) 1975-05-09
GB1489786A (en) 1977-10-26
IT1022653B (it) 1978-04-20
JPS5083295A (enrdf_load_stackoverflow) 1975-07-05
CA1068074A (en) 1979-12-18

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Legal Events

Date Code Title Description
ST Notification of lapse