CA1000934A - Process for producing catalysts for purifying waste gases - Google Patents

Process for producing catalysts for purifying waste gases

Info

Publication number
CA1000934A
CA1000934A CA166,858A CA166858A CA1000934A CA 1000934 A CA1000934 A CA 1000934A CA 166858 A CA166858 A CA 166858A CA 1000934 A CA1000934 A CA 1000934A
Authority
CA
Canada
Prior art keywords
waste gases
purifying waste
producing catalysts
catalysts
producing
Prior art date
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
CA166,858A
Other languages
English (en)
Other versions
CA166858S (en
Inventor
Eduard Lakatos
Edgar Koberstein
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Deutsche Gold und Silber Scheideanstalt
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 by Deutsche Gold und Silber Scheideanstalt filed Critical Deutsche Gold und Silber Scheideanstalt
Application granted granted Critical
Publication of CA1000934A publication Critical patent/CA1000934A/en
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)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
CA166,858A 1972-03-25 1973-03-23 Process for producing catalysts for purifying waste gases Expired CA1000934A (en)

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 (1)

Publication Number Publication Date
CA1000934A true CA1000934A (en) 1976-12-07

Family

ID=5840129

Family Applications (1)

Application Number Title Priority Date Filing Date
CA166,858A Expired CA1000934A (en) 1972-03-25 1973-03-23 Process for producing catalysts for purifying waste gases

Country Status (7)

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

Families Citing this family (13)

* 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
FR2293965A1 (fr) * 1974-12-13 1976-07-09 Oxycatalyse Ste Fse Purification des gaz d'echappement des moteurs a explosion ou a combustion interne
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
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
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

Also Published As

Publication number Publication date
FR2177951B1 (hu) 1978-08-04
JPS497186A (hu) 1974-01-22
SE392221B (sv) 1977-03-21
JPS5547932B2 (hu) 1980-12-03
DE2214604B2 (de) 1974-11-07
FR2177951A1 (hu) 1973-11-09
DE2214604A1 (de) 1973-10-11
DE2214604C3 (de) 1975-06-12
GB1420992A (en) 1976-01-14
IT977923B (it) 1974-09-20

Similar Documents

Publication Publication Date Title
CA1004442A (en) Supported catalyst for purifying waste gases and process for producing said catalyst
CA1003217A (en) Catalytic gasification process
CA975539A (en) Catalytic unit for purifying gases
CA1009639A (en) Catalyst for exhaust gas purification
CA1009388A (en) Waste gas purification
AU497148B2 (en) Catalytic process for polyhydric alcohols
CA991580A (en) Process for producing solid industrial fuel
CA1003812A (en) Catalyst regeneration method
CA1001147A (en) Method for the production of exhaust and waste gases purifying catalysts
CA982713A (en) Process for purifying waste waters and exhaust gases
CA1000934A (en) Process for producing catalysts for purifying waste gases
CA976144A (en) Process for preparing hydrocarbon conversion catalyst
CA980090A (en) Process for purifying waste gases
CA999086A (en) Process for purifying water
CA962623A (en) Process for purifying lactams
CA1009640A (en) Method for the production of exhaust or waste gases purifying catalysts
CA1006509A (en) Purification process for gn-rh
CA964256A (en) Process for preparing catalyst exhaust gas purification
ZA754562B (en) Process for purifying sewage
CA1028646A (en) Process for purifying bromochlorotrifluoroethane
AU5924373A (en) Catalytic process
CA999601A (en) Process for purifying diaminomaleonitrile
CA1019496A (en) Process for purifying polypropylene
CA1033764A (en) Process for purifying p-tolualdehyde
HU173538B (hu) Sposob poluchenija katalizatora