BE793518A - REDUCTION CATALYST - Google Patents

REDUCTION CATALYST

Info

Publication number
BE793518A
BE793518A BE793518DA BE793518A BE 793518 A BE793518 A BE 793518A BE 793518D A BE793518D A BE 793518DA BE 793518 A BE793518 A BE 793518A
Authority
BE
Belgium
Prior art keywords
reduction catalyst
catalyst
reduction
Prior art date
Application number
Other languages
French (fr)
Original Assignee
Knapsack Ag
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 DE19712165550 external-priority patent/DE2165550C3/en
Application filed by Knapsack Ag filed Critical Knapsack Ag
Publication of BE793518A publication Critical patent/BE793518A/en

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
    • 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
    • B01D53/9404Removing only nitrogen compounds
    • B01D53/9409Nitrogen oxides
    • B01D53/9413Processes 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
    • B01J23/76Catalysts 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
    • B01J23/84Catalysts 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
    • B01J23/889Manganese, technetium or rhenium
    • B01J23/8892Manganese
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/2073Manganese
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20753Nickel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20761Copper
    • 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)
  • Analytical Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
BE793518D 1971-12-30 1972-12-29 REDUCTION CATALYST BE793518A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712165550 DE2165550C3 (en) 1971-12-30 Reduction catalyst

Publications (1)

Publication Number Publication Date
BE793518A true BE793518A (en) 1973-06-29

Family

ID=5829702

Family Applications (1)

Application Number Title Priority Date Filing Date
BE793518D BE793518A (en) 1971-12-30 1972-12-29 REDUCTION CATALYST

Country Status (15)

Country Link
JP (1) JPS5632019B2 (en)
AT (1) AT333705B (en)
BE (1) BE793518A (en)
BR (1) BR7209123D0 (en)
CA (1) CA1003814A (en)
CH (1) CH591282A5 (en)
CS (1) CS179405B2 (en)
DD (1) DD100635A5 (en)
FR (1) FR2166191A1 (en)
IL (1) IL41147A (en)
IT (1) IT974321B (en)
NL (1) NL177467C (en)
PL (1) PL85181B1 (en)
RO (1) RO61301A (en)
SE (1) SE381408B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS169764B2 (en) * 1973-05-09 1976-07-29
JP2547124B2 (en) * 1991-02-02 1996-10-23 工業技術院長 Method for reducing and removing nitrogen oxides
JP2008168228A (en) * 2007-01-12 2008-07-24 Okayama Univ Catalyst for purifying nitrogen oxide in exhaust gas of diesel engine using unburnt carbon and nitrogen oxide purifying method

Also Published As

Publication number Publication date
FR2166191A1 (en) 1973-08-10
IL41147A0 (en) 1973-02-28
AT333705B (en) 1976-12-10
IL41147A (en) 1975-07-28
SE381408B (en) 1975-12-08
DE2165550A1 (en) 1973-07-05
NL177467C (en) 1985-10-01
NL7217018A (en) 1973-07-03
DD100635A5 (en) 1973-10-05
BR7209123D0 (en) 1973-09-25
PL85181B1 (en) 1976-04-30
CA1003814A (en) 1977-01-18
DE2165550B2 (en) 1976-01-15
ATA1108872A (en) 1976-04-15
JPS5632019B2 (en) 1981-07-24
IT974321B (en) 1974-06-20
FR2166191B1 (en) 1981-10-02
JPS4879189A (en) 1973-10-24
CH591282A5 (en) 1977-09-15
RO61301A (en) 1976-09-15
CS179405B2 (en) 1977-10-31

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: KNAPSACK A.G.

Effective date: 19871231