GB1489785A - Perovskite catalytic compositions having crystal structures and containing metals of the platinum group - Google Patents

Perovskite catalytic compositions having crystal structures and containing metals of the platinum group

Info

Publication number
GB1489785A
GB1489785A GB43933/74A GB4393374A GB1489785A GB 1489785 A GB1489785 A GB 1489785A GB 43933/74 A GB43933/74 A GB 43933/74A GB 4393374 A GB4393374 A GB 4393374A GB 1489785 A GB1489785 A GB 1489785A
Authority
GB
United Kingdom
Prior art keywords
type
sites
ions
platinum group
occupied
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.)
Expired
Application number
GB43933/74A
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.)
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 GB1489785A publication Critical patent/GB1489785A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/002Mixed oxides other than spinels, e.g. perovskite
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/89Catalysts 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
    • B01J23/8933Catalysts 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
    • B01J23/894Catalysts 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/10Noble metals or compounds thereof
    • B01D2255/102Platinum group metals
    • B01D2255/1021Platinum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/10Noble metals or compounds thereof
    • B01D2255/102Platinum group metals
    • B01D2255/1023Palladium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/10Noble metals or compounds thereof
    • B01D2255/102Platinum group metals
    • B01D2255/1025Rhodium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20738Iron
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20746Cobalt
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20753Nickel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2523/00Constitutive chemical elements of heterogeneous catalysts
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving 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)
GB43933/74A 1973-10-10 1974-10-10 Perovskite catalytic compositions having crystal structures and containing metals of the platinum group Expired GB1489785A (en)

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
GB1489785A true GB1489785A (en) 1977-10-26

Family

ID=27410610

Family Applications (2)

Application Number Title Priority Date Filing Date
GB43933/74A Expired GB1489785A (en) 1973-10-10 1974-10-10 Perovskite catalytic compositions having crystal structures and containing metals of the platinum group
GB43934/74A Expired GB1489786A (en) 1973-10-10 1974-10-10 Oxidation and reduction using platinum metal perovskite catalysts

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB43934/74A Expired GB1489786A (en) 1973-10-10 1974-10-10 Oxidation and reduction using platinum metal perovskite catalysts

Country Status (8)

Country Link
JP (2) JPS5083295A (enrdf_load_stackoverflow)
BR (1) BR7408358D0 (enrdf_load_stackoverflow)
CA (2) CA1068074A (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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115335146A (zh) * 2020-03-27 2022-11-11 京瓷株式会社 催化剂、蜂窝结构体和排气净化装置

Families Citing this family (3)

* 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

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115335146A (zh) * 2020-03-27 2022-11-11 京瓷株式会社 催化剂、蜂窝结构体和排气净化装置
CN115335146B (zh) * 2020-03-27 2024-01-30 京瓷株式会社 催化剂、蜂窝结构体和排气净化装置

Also Published As

Publication number Publication date
CA1074081A (en) 1980-03-25
FR2247285A1 (enrdf_load_stackoverflow) 1975-05-09
NL7413359A (nl) 1975-04-14
IT1027605B (it) 1978-12-20
DE2446251A1 (de) 1975-04-17
BR7408358D0 (pt) 1975-07-29
FR2247284A1 (enrdf_load_stackoverflow) 1975-05-09
JPS5078567A (enrdf_load_stackoverflow) 1975-06-26
DE2446331A1 (de) 1975-04-17
CA1068074A (en) 1979-12-18
FR2247284B1 (enrdf_load_stackoverflow) 1979-03-30
JPS5083295A (enrdf_load_stackoverflow) 1975-07-05
GB1489786A (en) 1977-10-26
IT1022653B (it) 1978-04-20

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee