FR2298367A1 - Catalyseur a double usage pour gaz d'echappement - Google Patents

Catalyseur a double usage pour gaz d'echappement

Info

Publication number
FR2298367A1
FR2298367A1 FR7601884A FR7601884A FR2298367A1 FR 2298367 A1 FR2298367 A1 FR 2298367A1 FR 7601884 A FR7601884 A FR 7601884A FR 7601884 A FR7601884 A FR 7601884A FR 2298367 A1 FR2298367 A1 FR 2298367A1
Authority
FR
France
Prior art keywords
oxidn
simultaneous
silica
purifcn
dual
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.)
Granted
Application number
FR7601884A
Other languages
English (en)
French (fr)
Other versions
FR2298367B3 (de
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.)
GCP Products UK Ltd
WR Grace and Co Conn
Original Assignee
WR Grace Ltd
WR Grace and Co Conn
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 WR Grace Ltd, WR Grace and Co Conn filed Critical WR Grace Ltd
Publication of FR2298367A1 publication Critical patent/FR2298367A1/fr
Application granted granted Critical
Publication of FR2298367B3 publication Critical patent/FR2298367B3/fr
Granted 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
    • B01J23/70—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
    • 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
    • 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
    • B01J23/894—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 rare earths or actinides
    • 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)
FR7601884A 1975-01-24 1976-01-23 Catalyseur a double usage pour gaz d'echappement Granted FR2298367A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US54402575A 1975-01-24 1975-01-24

Publications (2)

Publication Number Publication Date
FR2298367A1 true FR2298367A1 (fr) 1976-08-20
FR2298367B3 FR2298367B3 (de) 1978-10-13

Family

ID=24170475

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7601884A Granted FR2298367A1 (fr) 1975-01-24 1976-01-23 Catalyseur a double usage pour gaz d'echappement

Country Status (4)

Country Link
JP (1) JPS5187490A (de)
DE (1) DE2602286A1 (de)
FR (1) FR2298367A1 (de)
IT (1) IT1054981B (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2403825A1 (fr) * 1977-09-23 1979-04-20 Engelhard Min & Chem Compositions catalytiques, preparation et application
FR2403824A1 (fr) * 1977-09-23 1979-04-20 Engelhard Min & Chem Compositions catalytiques, preparation et utilisation
EP0125565A2 (de) * 1983-05-12 1984-11-21 Nippon Shokubai Kagaku Kogyo Co., Ltd Verfahren zur Herstellung eines wabenförmigen Katalysators zur Abgasumsetzung
EP0221598A2 (de) * 1985-11-08 1987-05-13 Shell Internationale Researchmaatschappij B.V. Metallische Trägerkatalysatoren und ihre Verwendung
FR2595265A1 (fr) * 1986-03-07 1987-09-11 Pro Catalyse Catalyseur et procede pour le traitement des gaz d'echappement des moteurs a combustion interne
EP0244127A1 (de) * 1986-04-16 1987-11-04 Johnson Matthey, Inc., Verfahren zum katalytischen Regeln von Autoabgasen
EP0272136A2 (de) * 1986-12-18 1988-06-22 Nippon Shokubai Co., Ltd. Katalysator zur Abgasreinigung und Verfahren zu seiner Herstellung
US4895824A (en) * 1987-09-08 1990-01-23 W. R. Grace & Co.-Conn. Add-on hydrogen sulfide trap
WO1999037397A1 (en) * 1998-01-21 1999-07-29 Dytech Corporation Ltd. Catalyst carrier carrying nickel, aluminium, lanthanum and a precious metal element
WO2000043121A1 (en) * 1999-01-21 2000-07-27 Imperial Chemical Industries Plc Catalyst carrier carrying nickel ruthenium and lanthanum

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2403825A1 (fr) * 1977-09-23 1979-04-20 Engelhard Min & Chem Compositions catalytiques, preparation et application
FR2403824A1 (fr) * 1977-09-23 1979-04-20 Engelhard Min & Chem Compositions catalytiques, preparation et utilisation
EP0125565A2 (de) * 1983-05-12 1984-11-21 Nippon Shokubai Kagaku Kogyo Co., Ltd Verfahren zur Herstellung eines wabenförmigen Katalysators zur Abgasumsetzung
EP0125565A3 (en) * 1983-05-12 1986-12-30 Nippon Shokubai Kagaku Kogyo Co., Ltd Process for producing honeycomb catalyst for exhaust gas conversion
EP0221598A3 (en) * 1985-11-08 1987-10-28 Shell Internationale Research Maatschappij B.V. Supported metal catalysts and use thereof
EP0221598A2 (de) * 1985-11-08 1987-05-13 Shell Internationale Researchmaatschappij B.V. Metallische Trägerkatalysatoren und ihre Verwendung
FR2595265A1 (fr) * 1986-03-07 1987-09-11 Pro Catalyse Catalyseur et procede pour le traitement des gaz d'echappement des moteurs a combustion interne
EP0244127A1 (de) * 1986-04-16 1987-11-04 Johnson Matthey, Inc., Verfahren zum katalytischen Regeln von Autoabgasen
EP0272136A2 (de) * 1986-12-18 1988-06-22 Nippon Shokubai Co., Ltd. Katalysator zur Abgasreinigung und Verfahren zu seiner Herstellung
EP0272136A3 (en) * 1986-12-18 1989-02-22 Nippon Shokubai Kagaku Kogyo Co., Ltd Catalyst for purifying exhaust gas and method for its production
US4895824A (en) * 1987-09-08 1990-01-23 W. R. Grace & Co.-Conn. Add-on hydrogen sulfide trap
WO1999037397A1 (en) * 1998-01-21 1999-07-29 Dytech Corporation Ltd. Catalyst carrier carrying nickel, aluminium, lanthanum and a precious metal element
WO2000043121A1 (en) * 1999-01-21 2000-07-27 Imperial Chemical Industries Plc Catalyst carrier carrying nickel ruthenium and lanthanum

Also Published As

Publication number Publication date
IT1054981B (it) 1981-11-30
FR2298367B3 (de) 1978-10-13
JPS5187490A (de) 1976-07-31
DE2602286A1 (de) 1976-07-29

Similar Documents

Publication Publication Date Title
JPS5687430A (en) Catalyst for purifying exhaust gas
GB1416587A (en) Catalyst and process for treatment of exhaust gases
GB1474553A (en) Process of preparing a ceramic structure suitable for use as a catalyst support
KR920019415A (ko) 배기가스 정화용 촉매
GB1397572A (en) Method and apparatus for treating exhaust gases of internal combustion engines
CA2131041A1 (en) Exhaust Emission Control Catalyst
KR890003437A (ko) 우수한 내열성을 갖는 내연기관 배기가스 정화용 촉매 및 그 제조방법
KR890006290A (ko) 백금을 함유하지 않은 삼방(three-way) 촉매
ATE52200T1 (de) Katalysator zur reinigung von abgasen.
KR890006291A (ko) 로듐을 함유하지 않는 3방(三方 : three-way) 촉매
GR3007134T3 (de)
JPS644250A (en) Catalyst for cleaning exhaust gas and its production
ATE45103T1 (de) Verfahren zur herstellung eines monolithischen katalysators zur abgasreinigung.
EP0329302A3 (de) Katalysator zur Reinigung von Auspuffgasen und Verfahren zu seiner Herstellung
FR2298367A1 (fr) Catalyseur a double usage pour gaz d'echappement
FR2632874B1 (de)
ATE88104T1 (de) Abgasreinigungskatalysator zum unterdruecken der schwefelwasserstoffbildung und verfahren zu seiner herstellung.
GB1534047A (en) Catalyst suitable for oxidising the harmful constituents of engine exhaust gases
JPH06154606A (ja) 排気ガス浄化用触媒
JPS6427643A (en) Catalyst for exhaust gas purification
JPS55162343A (en) Preparation of catalyst support
JPS5511043A (en) Catalyst for exhaust gas purification and production thereof
JPS57153737A (en) Catalyst for purifying exhaust gas
JPS6467256A (en) Catalyst for purifying exhaust gas
JPS6470146A (en) Catalyst for purifying exhaust gas

Legal Events

Date Code Title Description
ST Notification of lapse