DE69404104D1 - Verfahren zur Verringerung der Zündtemperatur einer exothermen katalytischen Reaktion - Google Patents

Verfahren zur Verringerung der Zündtemperatur einer exothermen katalytischen Reaktion

Info

Publication number
DE69404104D1
DE69404104D1 DE69404104T DE69404104T DE69404104D1 DE 69404104 D1 DE69404104 D1 DE 69404104D1 DE 69404104 T DE69404104 T DE 69404104T DE 69404104 T DE69404104 T DE 69404104T DE 69404104 D1 DE69404104 D1 DE 69404104D1
Authority
DE
Germany
Prior art keywords
reducing
catalytic reaction
ignition temperature
exothermic catalytic
exothermic
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 - Fee Related
Application number
DE69404104T
Other languages
English (en)
Other versions
DE69404104T2 (de
Inventor
Ivar Ivarsen Primdahl
Thomas Sandahl Christensen
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.)
Topsoe AS
Original Assignee
Haldor Topsoe AS
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 Haldor Topsoe AS filed Critical Haldor Topsoe AS
Application granted granted Critical
Publication of DE69404104D1 publication Critical patent/DE69404104D1/de
Publication of DE69404104T2 publication Critical patent/DE69404104T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F01N3/2053—By-passing catalytic reactors, e.g. to prevent overheating
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • 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
    • F01N2340/00—Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the apparatus; Spatial arrangements of exhaust apparatuses
    • 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
    • F01N2350/00—Arrangements for fitting catalyst support or particle filter element in the housing
    • F01N2350/02—Fitting ceramic monoliths in a metallic housing
    • F01N2350/06—Fitting ceramic monoliths in a metallic housing with means preventing gas flow by-pass or leakage

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Catalysts (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Hydrogen, Water And Hydrids (AREA)
DE69404104T 1993-09-27 1994-09-12 Verfahren zur Verringerung der Zündtemperatur einer exothermen katalytischen Reaktion Expired - Fee Related DE69404104T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK931089A DK108993D0 (da) 1993-09-27 1993-09-27 Fremgangsmaade til reduktion af taendingstemperatur

Publications (2)

Publication Number Publication Date
DE69404104D1 true DE69404104D1 (de) 1997-08-14
DE69404104T2 DE69404104T2 (de) 1997-10-30

Family

ID=8100874

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69404104T Expired - Fee Related DE69404104T2 (de) 1993-09-27 1994-09-12 Verfahren zur Verringerung der Zündtemperatur einer exothermen katalytischen Reaktion

Country Status (5)

Country Link
EP (1) EP0645527B1 (de)
JP (1) JPH07208743A (de)
DE (1) DE69404104T2 (de)
DK (1) DK108993D0 (de)
ES (1) ES2105452T3 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI107828B (fi) * 1999-05-18 2001-10-15 Kemira Metalkat Oy Dieselmoottoreiden pakokaasujen puhdistusjärjestelmä ja menetelmä dieselmoottoreiden pakokaasujen puhdistamiseksi
US6179608B1 (en) * 1999-05-28 2001-01-30 Precision Combustion, Inc. Swirling flashback arrestor
ZA200306075B (en) * 2001-02-16 2004-09-08 Battelle Memorial Institute Integrated reactors, methods of making same, and methods of conducting simultaneous exothermic and endothermic reactions.
DE10219747B4 (de) * 2002-05-02 2005-06-23 Daimlerchrysler Ag Verfahren zur Vermeidung einer Rückzündung in einem einen Reaktionsraum anströmenden Gemisch und Reaktor zur Durchführung des Verfahrens

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH086582B2 (ja) * 1986-10-31 1996-01-24 マツダ株式会社 エンジンの排気ガス浄化用触媒装置
DE3828644A1 (de) * 1988-08-24 1990-03-01 Bayerische Motoren Werke Ag Verzweigte abgasleitung einer brennkraftmaschine
DE4024942A1 (de) * 1990-08-06 1992-02-13 Emitec Emissionstechnologie Monolithischer metallischer wabenkoerper mit variierender kanalzahl

Also Published As

Publication number Publication date
DK108993D0 (da) 1993-09-27
JPH07208743A (ja) 1995-08-11
EP0645527B1 (de) 1997-07-09
ES2105452T3 (es) 1997-10-16
DE69404104T2 (de) 1997-10-30
EP0645527A1 (de) 1995-03-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee