IT1027605B - OXIDATION AND REDUCTION WITH PEROVSKITE CATALYSTS WITH METALS OF THE PLATINUM GROUP - Google Patents

OXIDATION AND REDUCTION WITH PEROVSKITE CATALYSTS WITH METALS OF THE PLATINUM GROUP

Info

Publication number: IT1027605B
Authority: IT; Italy
Prior art keywords: metals; oxidation; reduction; platinum group; perovskite catalysts
Prior art date: 1973-10-10

Application number

IT28283/74A

Other languages

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.)

1973-10-10

Filing date

1974-10-10

Publication date

1978-12-20

1973-10-10 Priority claimed from US405052A external-priority patent/US3897367A/en

1974-10-10 Application filed by Du Pont filed Critical Du Pont

1978-12-20 Application granted granted Critical

1978-12-20 Publication of IT1027605B publication Critical patent/IT1027605B/en

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

IT28283/74A 1973-10-10 1974-10-10 OXIDATION AND REDUCTION WITH PEROVSKITE CATALYSTS WITH METALS OF THE PLATINUM GROUP IT1027605B (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
IT1027605B true IT1027605B (en)	1978-12-20

Family

ID=27410610

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
IT28136/74A IT1022653B (en)	1973-10-10	1974-10-07	PEROVSKITE CATALYST COMPOSITIONS WITH CRYSTALLINE STRUCTURE AND CONTAINING METALS OF THE PLATINUM GROUP
IT28283/74A IT1027605B (en)	1973-10-10	1974-10-10	OXIDATION AND REDUCTION WITH PEROVSKITE CATALYSTS WITH METALS OF THE PLATINUM GROUP

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
IT28136/74A IT1022653B (en)	1973-10-10	1974-10-07	PEROVSKITE CATALYST COMPOSITIONS WITH CRYSTALLINE STRUCTURE AND CONTAINING METALS OF THE PLATINUM GROUP

Country Status (8)

Country	Link
JP (2)	JPS5083295A (en)
BR (1)	BR7408358D0 (en)
CA (2)	CA1074081A (en)
DE (2)	DE2446331A1 (en)
FR (2)	FR2247285A1 (en)
GB (2)	GB1489785A (en)
IT (2)	IT1022653B (en)
NL (1)	NL7413359A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH03161052A (en) *	1989-11-17	1991-07-11	Matsushita Electric Ind Co Ltd	Exhaust gas cleaning catalyst and its preparation
WO2006095557A1 (en) *	2005-03-04	2006-09-14	Daihatsu Motor Co., Ltd.	Catalyst composition
JP4969843B2 (en)	2005-12-09	2012-07-04	新日鉄マテリアルズ株式会社	Exhaust gas purification catalyst and exhaust gas purification catalyst member
CN115335146B (en) *	2020-03-27	2024-01-30	京瓷株式会社	Catalyst, honeycomb structure, and exhaust gas purifying device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS4852691A (en) *	1971-10-19	1973-07-24
DE2155338C2 (en) *	1971-11-08	1983-11-10	Degussa Ag, 6000 Frankfurt	Use of a supported catalyst containing the elements Ni, Co and / or Fe as well as Ru, Ti and / or Mn and optionally La, Sr and / or Ba in oxidic form for the oxidation of combustible constituents of gas mixtures

1974
- 1974-09-27 DE DE19742446331 patent/DE2446331A1/en not_active Withdrawn
- 1974-09-27 DE DE19742446251 patent/DE2446251A1/en active Pending
- 1974-10-07 IT IT28136/74A patent/IT1022653B/en active
- 1974-10-08 BR BR8358/74A patent/BR7408358D0/en unknown
- 1974-10-08 CA CA211,126A patent/CA1074081A/en not_active Expired
- 1974-10-08 CA CA211,124A patent/CA1068074A/en not_active Expired
- 1974-10-09 JP JP49116770A patent/JPS5083295A/ja active Pending
- 1974-10-09 FR FR7433948A patent/FR2247285A1/fr not_active Withdrawn
- 1974-10-09 JP JP49116771A patent/JPS5078567A/ja active Pending
- 1974-10-09 FR FR7433947A patent/FR2247284B1/fr not_active Expired
- 1974-10-10 NL NL7413359A patent/NL7413359A/en not_active Application Discontinuation
- 1974-10-10 GB GB43933/74A patent/GB1489785A/en not_active Expired
- 1974-10-10 IT IT28283/74A patent/IT1027605B/en active
- 1974-10-10 GB GB43934/74A patent/GB1489786A/en not_active Expired

Also Published As

Publication number	Publication date
CA1074081A (en)	1980-03-25
GB1489786A (en)	1977-10-26
NL7413359A (en)	1975-04-14
FR2247284A1 (en)	1975-05-09
BR7408358D0 (en)	1975-07-29
IT1022653B (en)	1978-04-20
FR2247285A1 (en)	1975-05-09
JPS5078567A (en)	1975-06-26
JPS5083295A (en)	1975-07-05
DE2446251A1 (en)	1975-04-17
FR2247284B1 (en)	1979-03-30
DE2446331A1 (en)	1975-04-17
GB1489785A (en)	1977-10-26
CA1068074A (en)	1979-12-18

Publication	Publication Date	Title
CA972344A (en)	1975-08-05	Porous ceramic-exhaust oxidation catalyst
IT1013188B (en)	1977-03-30	PROCEDURE AND CATALYST FOR THE OXIDATION OF METHYLBENZENES
IT1054781B (en)	1981-11-30	OXIDATION CATALYST AND ITS USES
NL7508637A (en)	1976-01-26	OXIDATION CATALYSTS.
IT983477B (en)	1974-10-31	OXIDATION CATALYSTS
CA919702A (en)	1973-01-23	Oxidation catalyst and use thereof
BE817645R (en)	1974-11-04	NEW CATALYSTS AND NEW CATALYTIC STRUCTURES
IT1018986B (en)	1977-10-20	CHROME OXIDE CATALYST AND PROCEDURE FOR PRODUCING IT
NL7413406A (en)	1975-04-17	OXIDATION PAINT MIXTURES.
NL7416304A (en)	1975-06-23	WINCH.
BE759434A (en)	1971-04-30	CATALYTIC OXIDATION
IT1025976B (en)	1978-08-30	REFORMING CATALYSTS CONTAINING PLATINUM
CA967500A (en)	1975-05-13	Platinum group metal catalysts
IT977155B (en)	1974-09-10	IMPROVEMENTS RELATING TO METAL CATALYSTS OF THE PLATINUM GROUP AND THEIR USE
IT1004207B (en)	1976-07-10	IMPROVEMENT IN CATALYTIC CONVERTERS AND RELATED ASSEMBLY PROCEDURES
IT1027605B (en)	1978-12-20	OXIDATION AND REDUCTION WITH PEROVSKITE CATALYSTS WITH METALS OF THE PLATINUM GROUP
IT1021719B (en)	1978-02-20	PROCEDURE FOR THE PRODUCTION OF METAL-CONTAINING CATALYSTS OF THE PLATINUM GROUP
BE821174A (en)	1975-04-17	OXIDATION CATALYST
IT1046328B (en)	1980-06-30	PROCEDURE FOR THE PRODUCTION OF BASIC DYES THROUGH CATALYTIC OXIDATION
NL7414520A (en)	1975-05-12	CATALYTIC OXIDATION PROCESS.
IT1025903B (en)	1978-08-30	IMPROVED REDUCTION OF METALLIC CATALYSTS OF THE PLATINUM GROUP
BE757457A (en)	1971-04-13	OXIDATION CATALYSTS
CA1009257A (en)	1977-04-26	Platinum group metal catalysts and their uses
ZA74919B (en)	1975-03-26	Oxidation catalysts
SE404379B (en)	1978-10-02	ZIRCONIUM ALLOY