IT1027605B - Ossidazione e riduzione con catalizzatori di perovskite con metallidel gruppo del platino - Google Patents

Ossidazione e riduzione con catalizzatori di perovskite con metallidel gruppo del platino

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

English (en)

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/it

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)

IT28283/74A 1973-10-10 1974-10-10 Ossidazione e riduzione con catalizzatori di perovskite con metallidel gruppo del platino IT1027605B (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
IT1027605B true IT1027605B (it)	1978-12-20

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 Before (1)

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

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

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- 1974-09-27 DE DE19742446331 patent/DE2446331A1/de not_active Withdrawn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- 1974-10-09 FR FR7433948A patent/FR2247285A1/fr not_active Withdrawn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

Also Published As

Publication number	Publication date
BR7408358D0 (pt)	1975-07-29
DE2446331A1 (de)	1975-04-17
GB1489785A (en)	1977-10-26
JPS5083295A (it)	1975-07-05
FR2247284A1 (it)	1975-05-09
DE2446251A1 (de)	1975-04-17
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

Publication	Publication Date	Title
CA972344A (en)	1975-08-05	Porous ceramic-exhaust oxidation catalyst
IT1013188B (it)	1977-03-30	Procedimento e catalizzatore per la ossidazione di metilbenzeni
IT1054781B (it)	1981-11-30	Catalizzatore di ossidazione e suoi impieghi
NO145184C (no)	1982-02-03	Oxydasjonskatalysator.
IT983477B (it)	1974-10-31	Catalizzatori di ossidazione
CA919702A (en)	1973-01-23	Oxidation catalyst and use thereof
NL7413406A (nl)	1975-04-17	Oxydatieverfmengsels.
NL7416304A (nl)	1975-06-23	Lier.
BE759434A (fr)	1971-04-30	Oxydation catalytique
IT1025976B (it)	1978-08-30	Catalizzatori di reforming contenenti platino
CA967500A (en)	1975-05-13	Platinum group metal catalysts
BE755982A (fr)	1971-03-10	Catalyseurs de deshydrogenation oxydante
IT977155B (it)	1974-09-10	Perfezionamenti relativi a catalizzatori di metallo del gruppo platino e a loro impiego
IT1004207B (it)	1976-07-10	Perfezionamento nei convertitori catalitici e nei relativi procedi menti di montaggio
IT1027605B (it)	1978-12-20	Ossidazione e riduzione con catalizzatori di perovskite con metallidel gruppo del platino
IT1021719B (it)	1978-02-20	Procedimento per la produzione di catalizzatori contenenti metal li del gruppo del platino
BE821174A (fr)	1975-04-17	Catalyseur d'oxydation
IT1046328B (it)	1980-06-30	Procedimento per la produzione di coloranti basici mediante ossidazione catalitica
NL7414520A (nl)	1975-05-12	Katalytische oxydatiewerkwijze.
IT1025903B (it)	1978-08-30	Riduzione perfezionata di catalizzatori metallici del gruppo del platino
BE757457A (fr)	1971-04-13	Catalyseurs d'oxydation
CA1009257A (en)	1977-04-26	Platinum group metal catalysts and their uses
ZA74919B (en)	1975-03-26	Oxidation catalysts
IT1028076B (it)	1979-01-30	Catalizzatore di ossidazione ammossidazione
IT982920B (it)	1974-10-21	Procedimento e catalizzatore per l ossidazione di ammoniaca