JPS545388B2 - - Google Patents

Info

Publication number
JPS545388B2
JPS545388B2 JP4006873A JP4006873A JPS545388B2 JP S545388 B2 JPS545388 B2 JP S545388B2 JP 4006873 A JP4006873 A JP 4006873A JP 4006873 A JP4006873 A JP 4006873A JP S545388 B2 JPS545388 B2 JP S545388B2
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Expired
Application number
JP4006873A
Other languages
Japanese (ja)
Other versions
JPS49126561A (en
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 filed Critical
Priority to JP4006873A priority Critical patent/JPS545388B2/ja
Priority to FR7411433A priority patent/FR2225196B1/fr
Priority to BE142710A priority patent/BE813137A/en
Priority to GB1595574A priority patent/GB1417497A/en
Priority to DE2417636A priority patent/DE2417636A1/en
Publication of JPS49126561A publication Critical patent/JPS49126561A/ja
Publication of JPS545388B2 publication Critical patent/JPS545388B2/ja
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/20—Vanadium, niobium or tantalum
    • B01J23/22—Vanadium
    • 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
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2062—Ammonia
    • 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
    • B01D2255/20723—Vanadium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/209—Other metals
    • B01D2255/2094—Tin
    • 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
JP4006873A 1973-04-10 1973-04-10 Expired JPS545388B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP4006873A JPS545388B2 (en) 1973-04-10 1973-04-10
FR7411433A FR2225196B1 (en) 1973-04-10 1974-03-29
BE142710A BE813137A (en) 1973-04-10 1974-04-01 NITROGEN OXIDE REMOVAL PROCESS
GB1595574A GB1417497A (en) 1973-04-10 1974-04-10 Method of removal of nitrogen oxides
DE2417636A DE2417636A1 (en) 1973-04-10 1974-04-10 METHOD OF REMOVING NITROGEN OXYDES FROM EXHAUST GASES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4006873A JPS545388B2 (en) 1973-04-10 1973-04-10

Publications (2)

Publication Number Publication Date
JPS49126561A JPS49126561A (en) 1974-12-04
JPS545388B2 true JPS545388B2 (en) 1979-03-16

Family

ID=12570597

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4006873A Expired JPS545388B2 (en) 1973-04-10 1973-04-10

Country Status (5)

Country Link
JP (1) JPS545388B2 (en)
BE (1) BE813137A (en)
DE (1) DE2417636A1 (en)
FR (1) FR2225196B1 (en)
GB (1) GB1417497A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5023664B1 (en) * 1970-12-22 1975-08-09
JPS5152362A (en) * 1974-11-01 1976-05-08 Hitachi Ltd
JPS5520735B2 (en) * 1975-02-22 1980-06-04
JPS5621469B2 (en) * 1975-02-25 1981-05-19
JPS51108666A (en) * 1975-03-20 1976-09-27 Asahi Glass Co Ltd
JPS51129888A (en) * 1975-05-06 1976-11-11 Asahi Glass Co Ltd Process for generating catalists havingbeen used for removing nitorge oxides
JPS5214573A (en) * 1975-07-25 1977-02-03 Mitsubishi Heavy Ind Ltd Method of removing nitrogen oxides
JPS5827975B2 (en) * 1976-10-20 1983-06-13 三菱重工業株式会社 Flue gas denitration method
GB8802780D0 (en) * 1988-02-08 1988-03-09 Ti Corporate Services Vehicle exhaust gas catalysts

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49122473A (en) * 1973-03-26 1974-11-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49122473A (en) * 1973-03-26 1974-11-22

Also Published As

Publication number Publication date
JPS49126561A (en) 1974-12-04
GB1417497A (en) 1975-12-10
FR2225196A1 (en) 1974-11-08
DE2417636A1 (en) 1974-10-31
BE813137A (en) 1974-07-31
FR2225196B1 (en) 1976-12-17

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