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DE2446331A1 - Katalytische verbindung mit perowskitkristallstruktur - Google Patents

Katalytische verbindung mit perowskitkristallstruktur

Info

Publication number
DE2446331A1
DE2446331A1 DE19742446331 DE2446331A DE2446331A1 DE 2446331 A1 DE2446331 A1 DE 2446331A1 DE 19742446331 DE19742446331 DE 19742446331 DE 2446331 A DE2446331 A DE 2446331A DE 2446331 A1 DE2446331 A1 DE 2446331A1
Authority
DE
Germany
Prior art keywords
type
ions
platinum
sites
metals
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Withdrawn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
DE19742446331
Other languages
German (de)
English (en)
Inventor
Alan Lauder
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 DE2446331A1 publication Critical patent/DE2446331A1/de
Withdrawn legal-status Critical Current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
    • B01J23/002—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)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (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)
DE19742446331 1973-10-10 1974-09-27 Katalytische verbindung mit perowskitkristallstruktur Withdrawn DE2446331A1 (de)

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 (1)

Publication Number Publication Date
DE2446331A1 true DE2446331A1 (de) 1975-04-17

Family

ID=27410610

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19742446331 Withdrawn DE2446331A1 (de) 1973-10-10 1974-09-27 Katalytische verbindung mit perowskitkristallstruktur
DE19742446251 Pending DE2446251A1 (de) 1973-10-10 1974-09-27 Verfahren zum oxidieren und reduzieren unter verwendung von platinmetallkatalysatoren vom perowskit-typ

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE19742446251 Pending DE2446251A1 (de) 1973-10-10 1974-09-27 Verfahren zum oxidieren und reduzieren unter verwendung von platinmetallkatalysatoren vom perowskit-typ

Country Status (8)

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

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
WO2006095557A1 (ja) * 2005-03-04 2006-09-14 Daihatsu Motor Co., Ltd. 触媒組成物
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
US20230112861A1 (en) * 2020-03-27 2023-04-13 Kyocera Corporation Catalyst, honeycomb structure, and exhaust gas purifier

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4852691A (it) * 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
GB1489785A (en) 1977-10-26
JPS5083295A (it) 1975-07-05
FR2247284A1 (it) 1975-05-09
DE2446251A1 (de) 1975-04-17
IT1027605B (it) 1978-12-20
IT1022653B (it) 1978-04-20
NL7413359A (nl) 1975-04-14
CA1074081A (en) 1980-03-25
JPS5078567A (it) 1975-06-26
CA1068074A (en) 1979-12-18
GB1489786A (en) 1977-10-26
FR2247285A1 (it) 1975-05-09
FR2247284B1 (it) 1979-03-30

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee