JPS497186A - - Google Patents

Info

Publication number
JPS497186A
JPS497186A JP48033386A JP3338673A JPS497186A JP S497186 A JPS497186 A JP S497186A JP 48033386 A JP48033386 A JP 48033386A JP 3338673 A JP3338673 A JP 3338673A JP S497186 A JPS497186 A JP S497186A
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.)
Granted
Application number
JP48033386A
Other languages
Japanese (ja)
Other versions
JPS5547932B2 (enrdf_load_stackoverflow
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
Publication of JPS497186A publication Critical patent/JPS497186A/ja
Publication of JPS5547932B2 publication Critical patent/JPS5547932B2/ja
Expired legal-status Critical Current

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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/652—Chromium, molybdenum or tungsten
    • B01J23/6522—Chromium
    • 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
    • B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
    • B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8993—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with chromium, molybdenum or tungsten
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • 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)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (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)
JP3338673A 1972-03-25 1973-03-23 Expired JPS5547932B2 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2214604A DE2214604C3 (de) 1972-03-25 1972-03-25 Verfahren zur Herstellung verbesserter Abgasreinigungs-Katalysatoren

Publications (2)

Publication Number Publication Date
JPS497186A true JPS497186A (enrdf_load_stackoverflow) 1974-01-22
JPS5547932B2 JPS5547932B2 (enrdf_load_stackoverflow) 1980-12-03

Family

ID=5840129

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3338673A Expired JPS5547932B2 (enrdf_load_stackoverflow) 1972-03-25 1973-03-23

Country Status (7)

Country Link
JP (1) JPS5547932B2 (enrdf_load_stackoverflow)
CA (1) CA1000934A (enrdf_load_stackoverflow)
DE (1) DE2214604C3 (enrdf_load_stackoverflow)
FR (1) FR2177951B1 (enrdf_load_stackoverflow)
GB (1) GB1420992A (enrdf_load_stackoverflow)
IT (1) IT977923B (enrdf_load_stackoverflow)
SE (1) SE392221B (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5186093A (enrdf_load_stackoverflow) * 1974-12-13 1976-07-28 Fr Dokushii Kyatariizu Deitsut
JPS5261192A (en) * 1975-11-17 1977-05-20 Ngk Insulators Ltd Ceramic honeycomb catalysts
JPS6115567U (ja) * 1984-07-04 1986-01-29 アレック電子株式会社 三次元電磁流速計

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3966790A (en) * 1973-12-10 1976-06-29 Engelhard Minerals & Chemicals Corporation Compositions and methods for high temperature stable catalysts
US4085193A (en) * 1973-12-12 1978-04-18 Mitsubishi Petrochemical Co. Ltd. Catalytic process for reducing nitrogen oxides to nitrogen
CA1067060A (en) * 1975-08-25 1979-11-27 Mordecai Shelef Equilibrium catalyst
MX4509E (es) * 1975-08-27 1982-06-02 Engelhard Min & Chem Composicion catalitica mejorada para oxidar en forma simultanea hidrocarburos gascosos y monoxido de carbono y reducir oxidos de nitrogeno
DE3502866A1 (de) * 1984-09-19 1986-03-20 Klaus Prof. Dr.rer.nat. 4430 Steinfurt Mangold Zweistufen-verfahren und vorrichtung zur reinigung von verbrennungsgasen
JPS61138537A (ja) * 1984-12-11 1986-06-26 Nikki Universal Co Ltd 水素化脱硫触媒の製造方法
JPS61291026A (ja) * 1985-06-17 1986-12-20 Hitachi Ltd 窒素酸化物と一酸化炭素とを同時に除去する方法
DE3523205A1 (de) * 1985-06-28 1987-01-02 Bayer Ag Traegerkatalysator, verfahren zu seiner herstellung sowie dessen verwendung zur herstellung von hydroxydiphenyl
US5198403A (en) * 1989-02-28 1993-03-30 Degussa Ag Process for producing a catalyst for selective reduction of nitrous oxides with ammonia
GB9020568D0 (en) * 1990-09-20 1990-10-31 Rover Group Supported palladium catalysts

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1378393A (fr) * 1963-12-03 1964-11-13 Grace W R & Co Catalyseurs pour le traitement de gaz d'échappement de moteurs à combustion interne et procédé pour leur préparation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5186093A (enrdf_load_stackoverflow) * 1974-12-13 1976-07-28 Fr Dokushii Kyatariizu Deitsut
JPS5261192A (en) * 1975-11-17 1977-05-20 Ngk Insulators Ltd Ceramic honeycomb catalysts
JPS6115567U (ja) * 1984-07-04 1986-01-29 アレック電子株式会社 三次元電磁流速計

Also Published As

Publication number Publication date
FR2177951B1 (enrdf_load_stackoverflow) 1978-08-04
IT977923B (it) 1974-09-20
DE2214604A1 (de) 1973-10-11
JPS5547932B2 (enrdf_load_stackoverflow) 1980-12-03
CA1000934A (en) 1976-12-07
SE392221B (sv) 1977-03-21
GB1420992A (en) 1976-01-14
FR2177951A1 (enrdf_load_stackoverflow) 1973-11-09
DE2214604B2 (de) 1974-11-07
DE2214604C3 (de) 1975-06-12

Similar Documents

Publication Publication Date Title
FR2177951B1 (enrdf_load_stackoverflow)
JPS4946705A (enrdf_load_stackoverflow)
JPS4954077A (enrdf_load_stackoverflow)
JPS514296Y2 (enrdf_load_stackoverflow)
JPS5225376Y2 (enrdf_load_stackoverflow)
JPS4912006U (enrdf_load_stackoverflow)
JPS491469U (enrdf_load_stackoverflow)
JPS5352137Y2 (enrdf_load_stackoverflow)
JPS4953797U (enrdf_load_stackoverflow)
FR2194073A1 (enrdf_load_stackoverflow)
JPS497404U (enrdf_load_stackoverflow)
JPS4887305A (enrdf_load_stackoverflow)
CH581582A5 (enrdf_load_stackoverflow)
BG18675A1 (enrdf_load_stackoverflow)
CH29873A4 (enrdf_load_stackoverflow)
CH559416A5 (enrdf_load_stackoverflow)
CH560154A5 (enrdf_load_stackoverflow)
CH1005772A4 (enrdf_load_stackoverflow)
CH561373A5 (enrdf_load_stackoverflow)
CH584182A5 (enrdf_load_stackoverflow)
CH583507A5 (enrdf_load_stackoverflow)
CH572166A5 (enrdf_load_stackoverflow)
CH581438A5 (enrdf_load_stackoverflow)
CH580680A5 (enrdf_load_stackoverflow)
CH580526A5 (enrdf_load_stackoverflow)