IT1002914B - Catalizzatore comprendente nichel e rodio su supporto ceramico monoliti co e procedimento di impiego per eliminare gli ossidi di azoto e l ossido di carbonio da gas di scarico - Google Patents

Catalizzatore comprendente nichel e rodio su supporto ceramico monoliti co e procedimento di impiego per eliminare gli ossidi di azoto e l ossido di carbonio da gas di scarico

Info

Publication number
IT1002914B
IT1002914B IT48338/74A IT4833874A IT1002914B IT 1002914 B IT1002914 B IT 1002914B IT 48338/74 A IT48338/74 A IT 48338/74A IT 4833874 A IT4833874 A IT 4833874A IT 1002914 B IT1002914 B IT 1002914B
Authority
IT
Italy
Prior art keywords
monoliths
rhodium
procedure
exhaust gas
nitrogen oxides
Prior art date
Application number
IT48338/74A
Other languages
English (en)
Original Assignee
Standard Oil 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
Application filed by Standard Oil Co filed Critical Standard Oil Co
Application granted granted Critical
Publication of IT1002914B publication Critical patent/IT1002914B/it

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
    • B01J23/70Catalysts 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
    • B01J35/56
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00Nitrogen; Compounds thereof
    • C01B21/02Preparation of nitrogen
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/20Reductants
    • B01D2251/204Carbon monoxide
    • 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
    • B01D2255/20753Nickel
    • 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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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
IT48338/74A 1973-02-27 1974-02-14 Catalizzatore comprendente nichel e rodio su supporto ceramico monoliti co e procedimento di impiego per eliminare gli ossidi di azoto e l ossido di carbonio da gas di scarico IT1002914B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33625673A 1973-02-27 1973-02-27

Publications (1)

Publication Number Publication Date
IT1002914B true IT1002914B (it) 1976-05-20

Family

ID=23315262

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48338/74A IT1002914B (it) 1973-02-27 1974-02-14 Catalizzatore comprendente nichel e rodio su supporto ceramico monoliti co e procedimento di impiego per eliminare gli ossidi di azoto e l ossido di carbonio da gas di scarico

Country Status (5)

Country Link
JP (1) JPS548360B2 (it)
DE (1) DE2408734A1 (it)
FR (1) FR2218937B1 (it)
GB (1) GB1467403A (it)
IT (1) IT1002914B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB2000046B (en) * 1977-07-01 1982-03-24 Johnson Matthey Co Ltd Improved catalyst
JPS626359Y2 (it) * 1978-02-23 1987-02-13
JPS59212577A (ja) * 1983-05-13 1984-12-01 Aoki Kaoru 多方向切換分配装置
JPS6424780U (it) * 1987-08-04 1989-02-10
US11414039B2 (en) 2017-11-09 2022-08-16 Honda Motor Co., Ltd. Side airbag device
CN111344188B (zh) 2017-11-09 2023-03-10 提爱思科技股份有限公司 侧安全气囊装置和用于制造侧安全气囊装置的方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1028753A (en) * 1961-09-11 1966-05-04 Ici Ltd Improvements in and relating to catalyst supports and catalytic compositions for use in the steam reforming of hydrocarbons

Also Published As

Publication number Publication date
JPS548360B2 (it) 1979-04-14
FR2218937A1 (it) 1974-09-20
JPS501089A (it) 1975-01-08
GB1467403A (en) 1977-03-16
DE2408734A1 (de) 1974-08-29
FR2218937B1 (it) 1980-07-04

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