IT946394B - Procedimento per rimuovere gli os sidi di azoto continuti nel gas di scarico di motori a combustione interna - Google Patents

Procedimento per rimuovere gli os sidi di azoto continuti nel gas di scarico di motori a combustione interna

Info

Publication number
IT946394B
IT946394B IT19150/72A IT1915072A IT946394B IT 946394 B IT946394 B IT 946394B IT 19150/72 A IT19150/72 A IT 19150/72A IT 1915072 A IT1915072 A IT 1915072A IT 946394 B IT946394 B IT 946394B
Authority
IT
Italy
Prior art keywords
procedure
exhaust gas
internal combustion
combustion engines
nitrogen oxide
Prior art date
Application number
IT19150/72A
Other languages
English (en)
Italian (it)
Original Assignee
Fuijkura Cable Works 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 JP46000358A external-priority patent/JPS5127628B1/ja
Priority claimed from JP46077771A external-priority patent/JPS4841990A/ja
Application filed by Fuijkura Cable Works Ltd filed Critical Fuijkura Cable Works Ltd
Application granted granted Critical
Publication of IT946394B publication Critical patent/IT946394B/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
    • 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
    • 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

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)
IT19150/72A 1971-01-09 1972-01-08 Procedimento per rimuovere gli os sidi di azoto continuti nel gas di scarico di motori a combustione interna IT946394B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP46000358A JPS5127628B1 (enExample) 1971-01-09 1971-01-09
JP46077771A JPS4841990A (enExample) 1971-10-04 1971-10-04

Publications (1)

Publication Number Publication Date
IT946394B true IT946394B (it) 1973-05-21

Family

ID=26333327

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19150/72A IT946394B (it) 1971-01-09 1972-01-08 Procedimento per rimuovere gli os sidi di azoto continuti nel gas di scarico di motori a combustione interna

Country Status (3)

Country Link
DE (1) DE2200759A1 (enExample)
FR (1) FR2127001A1 (enExample)
IT (1) IT946394B (enExample)

Also Published As

Publication number Publication date
FR2127001A1 (en) 1972-10-13
FR2127001B1 (enExample) 1974-06-21
DE2200759A1 (de) 1973-10-25
AU3750771A (en) 1973-07-05

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