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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS169764B2 (it) * 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
ATA1108872A (de) 1976-04-15
BR7209123D0 (pt) 1973-09-25
PL85181B1 (it) 1976-04-30
NL177467C (nl) 1985-10-01
JPS4879189A (it) 1973-10-24
BE793518A (fr) 1973-06-29
CH591282A5 (it) 1977-09-15
FR2166191B1 (it) 1981-10-02
FR2166191A1 (en) 1973-08-10
RO61301A (it) 1976-09-15
DE2165550A1 (de) 1973-07-05
CA1003814A (en) 1977-01-18
AT333705B (de) 1976-12-10
DE2165550B2 (de) 1976-01-15
SE381408B (sv) 1975-12-08
CS179405B2 (en) 1977-10-31
NL7217018A (it) 1973-07-03
IL41147A0 (en) 1973-02-28
DD100635A5 (it) 1973-10-05
JPS5632019B2 (it) 1981-07-24
IL41147A (en) 1975-07-28

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