IT974321B - Catalizzatore di riduzione e proce dimento per produrlo - Google Patents

Catalizzatore di riduzione e proce dimento per produrlo

Info

Publication number
IT974321B
IT974321B IT55032/72A IT5503272A IT974321B IT 974321 B IT974321 B IT 974321B IT 55032/72 A IT55032/72 A IT 55032/72A IT 5503272 A IT5503272 A IT 5503272A IT 974321 B IT974321 B IT 974321B
Authority
IT
Italy
Prior art keywords
dimento
proce
produce
reduction catalyst
catalyst
Prior art date
Application number
IT55032/72A
Other languages
English (en)
Italian (it)
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/de
Application filed by Knapsack Ag filed Critical Knapsack Ag
Application granted granted Critical
Publication of IT974321B publication Critical patent/IT974321B/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
    • 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
    • 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
    • B01J23/76—Catalysts 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
    • B01J23/84—Catalysts 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
    • B01J23/889—Manganese, technetium or rhenium
    • B01J23/8892—Manganese
    • 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
    • B01D2255/2073—Manganese
    • 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
    • B01D2255/20753—Nickel
    • 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
    • B01D2255/20761—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
    • 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)
  • 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)
IT55032/72A 1971-12-30 1972-12-27 Catalizzatore di riduzione e proce dimento per produrlo IT974321B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712165550 DE2165550C3 (de) 1971-12-30 Reduktionskatalysator

Publications (1)

Publication Number Publication Date
IT974321B true IT974321B (it) 1974-06-20

Family

ID=5829702

Family Applications (1)

Application Number Title Priority Date Filing Date
IT55032/72A IT974321B (it) 1971-12-30 1972-12-27 Catalizzatore di riduzione e proce dimento per produrlo

Country Status (15)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS169764B2 (en:Method) * 1973-05-09 1976-07-29
JP2547124B2 (ja) * 1991-02-02 1996-10-23 工業技術院長 窒素酸化物の還元除去方法
JP2008168228A (ja) * 2007-01-12 2008-07-24 Okayama Univ 未燃カーボンを用いてディーゼルエンジン排ガス中の窒素酸化物を浄化するための触媒と方法

Also Published As

Publication number Publication date
DD100635A5 (en:Method) 1973-10-05
CA1003814A (en) 1977-01-18
JPS5632019B2 (en:Method) 1981-07-24
BE793518A (fr) 1973-06-29
CS179405B2 (en) 1977-10-31
BR7209123D0 (pt) 1973-09-25
JPS4879189A (en:Method) 1973-10-24
FR2166191B1 (en:Method) 1981-10-02
NL7217018A (en:Method) 1973-07-03
DE2165550B2 (de) 1976-01-15
ATA1108872A (de) 1976-04-15
AT333705B (de) 1976-12-10
FR2166191A1 (en) 1973-08-10
DE2165550A1 (de) 1973-07-05
IL41147A (en) 1975-07-28
CH591282A5 (en:Method) 1977-09-15
SE381408B (sv) 1975-12-08
IL41147A0 (en) 1973-02-28
PL85181B1 (en:Method) 1976-04-30
RO61301A (en:Method) 1976-09-15
NL177467C (nl) 1985-10-01

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