IT1022653B - Composizioni catalizzatrici di perovskite con struttura cristallina e contenenti metalli del gruppo del platino - Google Patents

Composizioni catalizzatrici di perovskite con struttura cristallina e contenenti metalli del gruppo del platino

Info

Publication number
IT1022653B
IT1022653B IT28136/74A IT2813674A IT1022653B IT 1022653 B IT1022653 B IT 1022653B IT 28136/74 A IT28136/74 A IT 28136/74A IT 2813674 A IT2813674 A IT 2813674A IT 1022653 B IT1022653 B IT 1022653B
Authority
IT
Italy
Prior art keywords
platinum group
crystalline structure
catalyst compositions
containing metals
perovskite catalyst
Prior art date
Application number
IT28136/74A
Other languages
English (en)
Italian (it)
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of IT1022653B publication Critical patent/IT1022653B/it

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)
IT28136/74A 1973-10-10 1974-10-07 Composizioni catalizzatrici di perovskite con struttura cristallina e contenenti metalli del gruppo del platino IT1022653B (it)

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
IT1022653B true IT1022653B (it) 1978-04-20

Family

ID=27410610

Family Applications (2)

Application Number Title Priority Date Filing Date
IT28136/74A IT1022653B (it) 1973-10-10 1974-10-07 Composizioni catalizzatrici di perovskite con struttura cristallina e contenenti metalli del gruppo del platino
IT28283/74A IT1027605B (it) 1973-10-10 1974-10-10 Ossidazione e riduzione con catalizzatori di perovskite con metallidel gruppo del platino

Family Applications After (1)

Application Number Title Priority Date Filing Date
IT28283/74A IT1027605B (it) 1973-10-10 1974-10-10 Ossidazione e riduzione con catalizzatori di perovskite con metallidel gruppo del platino

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
FR2247284A1 (enrdf_load_stackoverflow) 1975-05-09
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
JPS5083295A (enrdf_load_stackoverflow) 1975-07-05
CA1068074A (en) 1979-12-18

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