IT983460B - Catalizzatore per trattamento di gas di scarico di automobili - Google Patents

Catalizzatore per trattamento di gas di scarico di automobili

Info

Publication number
IT983460B
IT983460B IT20564/73A IT2056473A IT983460B IT 983460 B IT983460 B IT 983460B IT 20564/73 A IT20564/73 A IT 20564/73A IT 2056473 A IT2056473 A IT 2056473A IT 983460 B IT983460 B IT 983460B
Authority
IT
Italy
Prior art keywords
catalyst
exhaust gas
gas treatment
car exhaust
car
Prior art date
Application number
IT20564/73A
Other languages
English (en)
Original Assignee
Shell Bv
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 Shell Bv filed Critical Shell Bv
Application granted granted Critical
Publication of IT983460B publication Critical patent/IT983460B/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
    • B01J23/74Iron group metals
    • B01J23/75Cobalt
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (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)
IT20564/73A 1972-02-21 1973-02-19 Catalizzatore per trattamento di gas di scarico di automobili IT983460B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB794972 1972-02-21
GB4658872 1972-10-10

Publications (1)

Publication Number Publication Date
IT983460B true IT983460B (it) 1974-10-31

Family

ID=26241773

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20564/73A IT983460B (it) 1972-02-21 1973-02-19 Catalizzatore per trattamento di gas di scarico di automobili

Country Status (5)

Country Link
JP (1) JPS4897789A (it)
AU (1) AU5232373A (it)
DE (1) DE2308109A1 (it)
FR (1) FR2173041A1 (it)
IT (1) IT983460B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE21340T1 (de) * 1982-11-22 1986-08-15 Shell Int Research Verfahren zur herstellung eines fischer-tropsch- katalysators, der auf diese weise hergestellte katalysator und seine verwendung zur herstellung von kohlenwasserstoffen.
JPH0884911A (ja) * 1994-09-14 1996-04-02 I C T:Kk 窒素酸化物分解用触媒およびこれを用いたディーゼルエンジン排ガスの浄化方法

Also Published As

Publication number Publication date
FR2173041B1 (it) 1976-09-10
AU5232373A (en) 1974-08-22
FR2173041A1 (en) 1973-10-05
DE2308109A1 (de) 1973-08-30
JPS4897789A (it) 1973-12-12

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