CA1166617A - Procedure to improve the ageing characteristics of catalysts applied in the oxidative purification of exhaust gases originating from combustion engines fuelled with leaded gasoline - Google Patents

Procedure to improve the ageing characteristics of catalysts applied in the oxidative purification of exhaust gases originating from combustion engines fuelled with leaded gasoline

Info

Publication number
CA1166617A
CA1166617A CA000386496A CA386496A CA1166617A CA 1166617 A CA1166617 A CA 1166617A CA 000386496 A CA000386496 A CA 000386496A CA 386496 A CA386496 A CA 386496A CA 1166617 A CA1166617 A CA 1166617A
Authority
CA
Canada
Prior art keywords
exhaust gases
catalyst
air
combustion engines
fuel ratio
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
CA000386496A
Other languages
English (en)
French (fr)
Inventor
Alfred Bozon
Edgar Koberstein
Hans-Dieter Pletka
Herbert Voelker
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
Degussa GmbH
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 Degussa GmbH filed Critical Degussa GmbH
Application granted granted Critical
Publication of CA1166617A publication Critical patent/CA1166617A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
    • F01N2430/06—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by varying fuel-air ratio, e.g. by enriching fuel-air mixture

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
CA000386496A 1980-09-25 1981-09-23 Procedure to improve the ageing characteristics of catalysts applied in the oxidative purification of exhaust gases originating from combustion engines fuelled with leaded gasoline Expired CA1166617A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803036130 DE3036130A1 (de) 1980-09-25 1980-09-25 Verfahren zur verbesserung des alterungsverhaltens von katalysatoren zur oxidativen reinigung der abgase von verbrenungskraftmaschinen bei einsatz von verbleiten kraftstoffen
DEP3036130.9 1980-09-25

Publications (1)

Publication Number Publication Date
CA1166617A true CA1166617A (en) 1984-05-01

Family

ID=6112815

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000386496A Expired CA1166617A (en) 1980-09-25 1981-09-23 Procedure to improve the ageing characteristics of catalysts applied in the oxidative purification of exhaust gases originating from combustion engines fuelled with leaded gasoline

Country Status (7)

Country Link
EP (1) EP0048808A1 (es)
JP (1) JPS5786543A (es)
AU (1) AU7564081A (es)
BR (1) BR8106013A (es)
CA (1) CA1166617A (es)
DE (1) DE3036130A1 (es)
ES (1) ES504050A0 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5073289A (en) * 1989-11-02 1991-12-17 The Curators Of The University Of Missouri Paint stripper composition having reduced volatility containing decanolactone, n-methylpyrrolidone and butyrolactone and method of use
DE19510642C2 (de) * 1994-12-02 1997-04-10 Volkswagen Ag Verfahren zur Reduzierung von Schadstoffen des Abgases einer mehrere Zylinder aufweisenden Brennkraftmaschine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3599427A (en) * 1969-09-22 1971-08-17 Ford Motor Co Exhaust gas purification
DE2146084A1 (de) * 1971-09-15 1973-03-29 Aerolyt Vertriebsgesellschaft Vorrichtung zum entgiften von abgasen, insbesondere aus verbrennungsmotoren
JPS51117234A (en) * 1975-04-08 1976-10-15 Nissan Motor Co Ltd Process of air-fuel ratio control in internal-combustion engine

Also Published As

Publication number Publication date
AU7564081A (en) 1982-04-01
EP0048808A1 (de) 1982-04-07
ES8205940A1 (es) 1982-06-16
BR8106013A (pt) 1982-06-08
DE3036130A1 (de) 1982-05-06
JPS5786543A (en) 1982-05-29
ES504050A0 (es) 1982-06-16

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