FR2293965A1 - Purification des gaz d'echappement des moteurs a explosion ou a combustion interne - Google Patents

Purification des gaz d'echappement des moteurs a explosion ou a combustion interne

Info

Publication number
FR2293965A1
FR2293965A1 FR7441145A FR7441145A FR2293965A1 FR 2293965 A1 FR2293965 A1 FR 2293965A1 FR 7441145 A FR7441145 A FR 7441145A FR 7441145 A FR7441145 A FR 7441145A FR 2293965 A1 FR2293965 A1 FR 2293965A1
Authority
FR
France
Prior art keywords
explosion
purification
internal combustion
exhaust gases
combustion engines
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
FR7441145A
Other languages
English (en)
Other versions
FR2293965B1 (fr
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.)
OXYCATALYSE STE FSE
Original Assignee
OXYCATALYSE STE FSE
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 OXYCATALYSE STE FSE filed Critical OXYCATALYSE STE FSE
Priority to FR7441145A priority Critical patent/FR2293965A1/fr
Priority to DE19752555368 priority patent/DE2555368A1/de
Priority to US05/640,280 priority patent/US4064073A/en
Priority to GB51086/75A priority patent/GB1503377A/en
Priority to JP50147498A priority patent/JPS5186093A/ja
Priority to CA241,994A priority patent/CA1062228A/fr
Priority to IT70076/75A priority patent/IT1051500B/it
Publication of FR2293965A1 publication Critical patent/FR2293965A1/fr
Application granted granted Critical
Publication of FR2293965B1 publication Critical patent/FR2293965B1/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
    • B01J23/89—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
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • 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
    • 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)
FR7441145A 1974-12-13 1974-12-13 Purification des gaz d'echappement des moteurs a explosion ou a combustion interne Granted FR2293965A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR7441145A FR2293965A1 (fr) 1974-12-13 1974-12-13 Purification des gaz d'echappement des moteurs a explosion ou a combustion interne
DE19752555368 DE2555368A1 (de) 1974-12-13 1975-12-09 Verfahren und vorrichtung zur katalytischen reinigung der auspuffgase von benzinmotoren
US05/640,280 US4064073A (en) 1974-12-13 1975-12-12 Catalyst for the purification of the exhaust gases of internal combustion engines
GB51086/75A GB1503377A (en) 1974-12-13 1975-12-12 Catalytic purification of internal combustion engine exhaust gases
JP50147498A JPS5186093A (fr) 1974-12-13 1975-12-12
CA241,994A CA1062228A (fr) 1974-12-13 1975-12-12 Epuration des gaz d'echappement des moteurs a combustion interne
IT70076/75A IT1051500B (it) 1974-12-13 1975-12-12 Procedimento e catalizzatore per la depurazione dei gas di scarico dei motori a scoppio o a combustione in terna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7441145A FR2293965A1 (fr) 1974-12-13 1974-12-13 Purification des gaz d'echappement des moteurs a explosion ou a combustion interne

Publications (2)

Publication Number Publication Date
FR2293965A1 true FR2293965A1 (fr) 1976-07-09
FR2293965B1 FR2293965B1 (fr) 1980-03-21

Family

ID=9146145

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7441145A Granted FR2293965A1 (fr) 1974-12-13 1974-12-13 Purification des gaz d'echappement des moteurs a explosion ou a combustion interne

Country Status (7)

Country Link
US (1) US4064073A (fr)
JP (1) JPS5186093A (fr)
CA (1) CA1062228A (fr)
DE (1) DE2555368A1 (fr)
FR (1) FR2293965A1 (fr)
GB (1) GB1503377A (fr)
IT (1) IT1051500B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2321940A1 (fr) * 1975-08-27 1977-03-25 Engelhard Min & Chem Catalyseurs polyfonctionnels et procede d'utilisation

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5051244A (en) * 1990-07-20 1991-09-24 Uop Use of a molecular sieve bed to minimize emissions during cold start of internal combustion engines
US5078979A (en) * 1990-07-20 1992-01-07 Uop Molecular sieve bed/catalyst to treat automotive exhaust
GB9407512D0 (en) * 1994-04-15 1994-06-08 Ici Plc Catalysts
US5736104A (en) * 1996-03-27 1998-04-07 Motorola Inc. Transition metal oxide based calorimetric non-methane hydrocarbon sensor and method
US6835689B1 (en) * 2000-10-10 2004-12-28 Corning Incorporated NH3 generation catalysts for lean-burn and diesel applications
BR102016022962B1 (pt) * 2016-10-03 2021-10-26 Petróleo Brasileiro S.A. - Petrobras Processo de preparação de um catalisador de ferro-cromo promovido com platina, e, catalisador composto de ferro-cromo promovido com platina

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3649706A (en) * 1969-06-27 1972-03-14 Universal Oil Prod Co Steam dealkylation process
JPS5338714B2 (fr) * 1971-10-04 1978-10-17
FR2186290B1 (fr) * 1972-02-23 1974-08-02 Azote & Prod Chim
DE2214604C3 (de) * 1972-03-25 1975-06-12 Deutsche Gold- U. Silber-Scheideanstalt, Vormals Roessler, 6000 Frankfurt Verfahren zur Herstellung verbesserter Abgasreinigungs-Katalysatoren
DE2214797B2 (de) * 1972-03-25 1975-03-20 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt Verfahren zur Reinigung von Automobil- und Industrieabgasen
JPS5315473B2 (fr) * 1973-03-29 1978-05-25

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2321940A1 (fr) * 1975-08-27 1977-03-25 Engelhard Min & Chem Catalyseurs polyfonctionnels et procede d'utilisation

Also Published As

Publication number Publication date
US4064073A (en) 1977-12-20
CA1062228A (fr) 1979-09-11
DE2555368A1 (de) 1976-06-16
IT1051500B (it) 1981-04-21
JPS5186093A (fr) 1976-07-28
GB1503377A (en) 1978-03-08
FR2293965B1 (fr) 1980-03-21

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Legal Events

Date Code Title Description
ST Notification of lapse