IT1003097B - Catalizzatore per trattare i gas di scarico di veicoli a motore - Google Patents

Catalizzatore per trattare i gas di scarico di veicoli a motore

Info

Publication number
IT1003097B
IT1003097B IT26100/73A IT2610073A IT1003097B IT 1003097 B IT1003097 B IT 1003097B IT 26100/73 A IT26100/73 A IT 26100/73A IT 2610073 A IT2610073 A IT 2610073A IT 1003097 B IT1003097 B IT 1003097B
Authority
IT
Italy
Prior art keywords
catalyst
exhaust gases
motor vehicles
treat exhaust
treat
Prior art date
Application number
IT26100/73A
Other languages
English (en)
Original Assignee
Tokyo Electric Co Ltd
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 JP48035451A external-priority patent/JPS49122892A/ja
Priority claimed from JP3608973A external-priority patent/JPS5315473B2/ja
Application filed by Tokyo Electric Co Ltd filed Critical Tokyo Electric Co Ltd
Application granted granted Critical
Publication of IT1003097B publication Critical patent/IT1003097B/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
    • 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]
    • B01D53/9454—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific device
    • 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
    • B01J23/005—Spinels
    • 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
    • B01J23/74—Iron group metals
    • B01J23/745—Iron
    • 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
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • 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
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85—Chromium, molybdenum or tungsten
    • B01J23/86—Chromium
    • B01J23/862—Iron and chromium
    • 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
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/889—Manganese, technetium or rhenium
    • B01J23/8892—Manganese
    • 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
    • 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
    • B01J23/8986—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 manganese, technetium or rhenium
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S502/00—Catalyst, solid sorbent, or support therefor: product or process of making
    • Y10S502/524—Spinel
IT26100/73A 1973-03-28 1973-07-02 Catalizzatore per trattare i gas di scarico di veicoli a motore IT1003097B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP48035451A JPS49122892A (it) 1973-03-28 1973-03-28
JP3608973A JPS5315473B2 (it) 1973-03-29 1973-03-29

Publications (1)

Publication Number Publication Date
IT1003097B true IT1003097B (it) 1976-06-10

Family

ID=26374441

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26100/73A IT1003097B (it) 1973-03-28 1973-07-02 Catalizzatore per trattare i gas di scarico di veicoli a motore

Country Status (5)

Country Link
US (1) US3957691A (it)
DE (1) DE2333816C3 (it)
FR (1) FR2237496A5 (it)
GB (2) GB1444021A (it)
IT (1) IT1003097B (it)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1511841A (en) * 1974-03-06 1978-05-24 Johnson Matthey Co Ltd Catalysis
CA1072532A (en) * 1975-04-03 1980-02-26 B.F. Goodrich Company (The) Process for the oxychlorination of an alkane using a solid solution catalyst containing iron cations
MX4509E (es) * 1975-08-27 1982-06-02 Engelhard Min & Chem Composicion catalitica mejorada para oxidar en forma simultanea hidrocarburos gascosos y monoxido de carbono y reducir oxidos de nitrogeno
US4072608A (en) * 1976-01-13 1978-02-07 Phillips Petroleum Company Polluted water purification
DE2627454C3 (de) * 1976-06-18 1982-04-22 Robert Bosch Gmbh, 7000 Stuttgart Katalysator zur Abgasreinigung, insbesondere von Kfz-Verbrennungsmotoren
US4230603A (en) * 1979-04-02 1980-10-28 United States Steel Corporation Desulfurizing pellet of manganese oxide and aluminum oxide and process for producing said pellet
US4409127A (en) * 1981-12-30 1983-10-11 Monsanto Company Attrition resistant metal/oxygen compositions and a process for their preparation
US4443642A (en) * 1981-12-30 1984-04-17 Monsanto Company Attrition resistant metal/oxygen compositions
US4440874A (en) * 1982-04-14 1984-04-03 Engelhard Corporation Catalyst composition and method for its manufacture
FR2553399A1 (fr) * 1983-10-14 1985-04-19 Shell Int Research Procede pour la preparation d'un gaz riche en hydrogene
DE3502866A1 (de) * 1984-09-19 1986-03-20 Klaus Prof. Dr.rer.nat. 4430 Steinfurt Mangold Zweistufen-verfahren und vorrichtung zur reinigung von verbrennungsgasen
US4657885A (en) * 1985-07-11 1987-04-14 Exxon Research And Engineering Company Cerium promoted Fischer-Tropsch catalysts
US4916105A (en) * 1989-02-07 1990-04-10 W. R. Grace & Co.-Conn. Catalyst and metal ferrites for reduction of hydrogen sulfide emissions from automobile exhaust
FR2643114A1 (fr) * 1989-02-16 1990-08-17 Mohammed Boubehira Pot d'echappement composite catalytique
US5356598A (en) * 1989-02-16 1994-10-18 Mohamed Boubehira Catalytic exhaust unit for an automobile vehicle
US5830425A (en) * 1993-02-09 1998-11-03 Sud-Chemie Ag Chromium-free catalyst based on iron oxide for conversion of carbon monoxide
DE4303715A1 (de) * 1993-02-09 1994-08-11 Sued Chemie Ag Chromfreier Katalysator auf Basis Eisenoxid zur Konvertierung von Kohlenmonoxid
EP0727248B1 (en) * 1995-02-17 1998-08-19 ICT Co., Ltd. Catalyst for purification of diesel engine exhaust gas
US5883041A (en) * 1996-07-08 1999-03-16 Connolly International Ltd. Composite catalyst for purifying exhaust gases from carbon monoxide and organic compounds
US6013599A (en) * 1998-07-15 2000-01-11 Redem Corporation Self-regenerating diesel exhaust particulate filter and material
US20070149394A1 (en) * 2005-12-22 2007-06-28 Foster Wheeler Energy Corporation Catalyst, a method of using a catalyst, and an arrangement including a catalyst, for controlling NO and/or CO emissions from a combustion system without using external reagent
US20070160517A1 (en) * 2005-12-22 2007-07-12 Foster Wheeler Energy Corporation Catalyst, a method of using a catalyst, and an arrangement including a catalyst, for controlling NO and/or CO emissions from a combustion system without using external reagent
FR2945036B1 (fr) * 2009-04-29 2011-07-15 Inst Francais Du Petrole Oxydes mixtes fer-manganese pour la production d'oxygene a haute temperature
CN101791561B (zh) * 2010-04-22 2012-05-23 华中科技大学 一种脱硫脱硝催化剂及其制备方法
DE102016119291A1 (de) * 2016-10-11 2018-04-12 National Kaohsiung University Of Applied Sciences Ferrit als Dreiwegekatalysator zur Abgasnachbehandlung eines Fahrzeugmotors
CN109594326B (zh) * 2018-12-21 2021-06-29 福建工程学院 一种基于γ-Fe2O3/MnO2磁导自推进微纳马达及其制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE396270A (it) * 1932-05-12
US2818418A (en) * 1952-03-17 1957-12-31 Ruhrchemie Ag And Lurgi Ges Fu Catalytic hydrogenation of carbon monoxide
US3331787A (en) * 1963-02-07 1967-07-18 Engelhard Ind Inc Method of preparing an oxidation catalyst
US3397154A (en) * 1963-07-09 1968-08-13 Du Pont Preparation of alumina-supported catalyst compositions and the products thereof
US3366705A (en) * 1965-06-02 1968-01-30 Gulf Research Development Co Isomerization process
FR2054524A1 (it) * 1969-07-25 1971-04-23 Inst Francais Du Petrole
US3686347A (en) * 1970-04-16 1972-08-22 Petro Tex Corp Oxidative dehydrogenation of organic compounds
US3809643A (en) * 1971-07-15 1974-05-07 Gulf Research Development Co Oxidative sweetening of hydrocarbons with a calcined catalyst containing copper,iron and oxygen
US3784675A (en) * 1971-08-02 1974-01-08 Gulf Research Development Co Process for reducing the content of nitrogen oxides in the exhaust gases from internal combustion engines
US3787333A (en) * 1971-11-16 1974-01-22 Nippon Shokubai Kogyo Co Ltd Method for the production of an automotive exhaust gas catalyst
US3816401A (en) * 1972-05-25 1974-06-11 Union Oil Co Exhaust gas conversion process and catalyst

Also Published As

Publication number Publication date
GB1444021A (en) 1976-07-28
DE2333816A1 (de) 1974-10-10
DE2333816C3 (de) 1978-12-07
GB1444022A (en) 1976-07-28
DE2333816B2 (de) 1978-03-30
US3957691A (en) 1976-05-18
FR2237496A5 (it) 1975-02-07

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