ZA935775B - A catalytic automotive emission control process with improved cold-start behavior - Google Patents

A catalytic automotive emission control process with improved cold-start behavior

Info

Publication number
ZA935775B
ZA935775B ZA935775A ZA935775A ZA935775B ZA 935775 B ZA935775 B ZA 935775B ZA 935775 A ZA935775 A ZA 935775A ZA 935775 A ZA935775 A ZA 935775A ZA 935775 B ZA935775 B ZA 935775B
Authority
ZA
South Africa
Prior art keywords
control process
emission control
improved cold
automotive emission
start behavior
Prior art date
Application number
ZA935775A
Other languages
English (en)
Inventor
Dieter Lindner
Egbert Lox
Bernd Engler
Klaus Ostgathe
Original Assignee
Degussa
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 filed Critical Degussa
Publication of ZA935775B publication Critical patent/ZA935775B/xx

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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
    • 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
    • B01D53/02—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 by adsorption, e.g. preparative gas chromatography
    • B01D53/04—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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/0454—Controlling adsorption
    • 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
    • B01D53/9481—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start
    • 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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0835—Hydrocarbons
    • 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
    • F01N3/101—Three-way catalysts
    • 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
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/12—Combinations of different methods of purification absorption or adsorption, and catalytic conversion
    • 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
    • F01N2370/00—Selection of materials for exhaust purification
    • F01N2370/22—Selection of materials for exhaust purification used in non-catalytic purification apparatus
    • F01N2370/24—Zeolitic material
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Toxicology (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
ZA935775A 1992-08-10 1993-08-09 A catalytic automotive emission control process with improved cold-start behavior ZA935775B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4226394A DE4226394C2 (de) 1992-08-10 1992-08-10 Verfahren zur katalytischen Autoabgasreinigung mit verbessertem Kaltstartverhalten

Publications (1)

Publication Number Publication Date
ZA935775B true ZA935775B (en) 1994-03-08

Family

ID=6465212

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA935775A ZA935775B (en) 1992-08-10 1993-08-09 A catalytic automotive emission control process with improved cold-start behavior

Country Status (22)

Country Link
EP (1) EP0582971B1 (no)
JP (1) JP3484205B2 (no)
KR (1) KR100280284B1 (no)
CN (1) CN1084611A (no)
AR (1) AR247829A1 (no)
AT (1) ATE160295T1 (no)
AU (1) AU664911B2 (no)
BR (1) BR9303319A (no)
CA (1) CA2103647C (no)
CZ (1) CZ288953B6 (no)
DE (2) DE4226394C2 (no)
DK (1) DK0582971T3 (no)
ES (1) ES2109401T3 (no)
FI (1) FI104750B (no)
HU (1) HU212759B (no)
MX (1) MX9304814A (no)
NO (1) NO304584B1 (no)
PL (1) PL177656B1 (no)
TR (1) TR27986A (no)
TW (1) TW322428B (no)
UA (1) UA27233C2 (no)
ZA (1) ZA935775B (no)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4239875C2 (de) * 1992-11-27 1999-02-11 Degussa Abgasreinigungssystem zur Verminderung der Kohlenwasserstoff-Emissionen während des Kaltstarts von Verbrennungskraftmaschinen
JP3526084B2 (ja) * 1993-12-28 2004-05-10 日本碍子株式会社 排ガス浄化用吸着・触媒体、吸着体、排ガス浄化システム及び排ガス浄化方法
JP3516718B2 (ja) * 1994-07-05 2004-04-05 日本碍子株式会社 排ガス浄化用触媒−吸着体及び排ガス浄化方法
US6667018B2 (en) 1994-07-05 2003-12-23 Ngk Insulators, Ltd. Catalyst-adsorbent for purification of exhaust gases and method for purification of exhaust gases
EP0716877A1 (en) * 1994-12-13 1996-06-19 Johnson Matthey Public Limited Company Catalytic purification of engine exhaust gas
DE19614540A1 (de) * 1996-04-12 1997-10-16 Degussa Dieselkatalysator
EP0944424B1 (de) * 1996-08-19 2003-07-16 Volkswagen Aktiengesellschaft FREMDGEZÜNDETE BRENNKRAFTMASCHINE MIT EINEM NOx-ADSORBER
JP3417309B2 (ja) * 1997-10-28 2003-06-16 トヨタ自動車株式会社 炭化水素吸着材
DE19814132A1 (de) 1998-03-30 1999-10-14 Emitec Emissionstechnologie Wabenkörper mit Adsorbermaterial, insbesondere für eine Kohlenwasserstoff-Falle
WO1999056859A1 (en) * 1998-05-07 1999-11-11 Engelhard Corporation Catalyzed hydrocarbon trap and method using the same
JP3772583B2 (ja) * 1998-06-01 2006-05-10 日産自動車株式会社 内燃機関の排気浄化装置
GB0003405D0 (en) 2000-02-15 2000-04-05 Johnson Matthey Plc Improvements in emissions control
JP4642978B2 (ja) 2000-08-08 2011-03-02 株式会社キャタラー 排ガス浄化用触媒
US6756336B2 (en) 2002-02-01 2004-06-29 Cataler Corporation Catalyst for purifying exhaust gases
US7084086B2 (en) 2002-02-01 2006-08-01 Cataler Corporation Catalyst for purifying exhaust gases
DE102009007764A1 (de) * 2009-02-06 2010-08-12 Daimler Ag Verfahren zum Betreiben einer Brennkraftmaschine mit einer Abgasreinigungsanlage
DE102009007765A1 (de) * 2009-02-06 2010-08-12 Daimler Ag Verfahren zum Betreiben einer Brennkraftmaschine mit einer einen SCR-Katalysator umfassenden Abgasreinigungsanlage
DE102009060290A1 (de) * 2009-12-23 2011-06-30 Volkswagen AG, 38440 Abgasreinigung bei Ottomotoren mit Direkteinspritzung unter Verwendung von Adsorbern mit Partikelabscheidefunktion
DE102013210270A1 (de) 2013-06-03 2014-12-04 Umicore Ag & Co. Kg Dreiwegkatalysator
US9446395B2 (en) * 2014-02-19 2016-09-20 Ford Global Technologies, Llc Low temperature catalyst/hydrocarbon trap
DE102014204682A1 (de) 2014-03-13 2015-10-01 Umicore Ag & Co. Kg Katalysatorsystem zur Reduzierung von Schadgasen aus Benzinverbrennungsmotoren
CN107810058B (zh) 2015-06-29 2022-01-25 康宁股份有限公司 减少排放物的多孔陶瓷体
RO134399B1 (ro) 2019-01-30 2024-04-30 Mihai Suta Procedeu de aditivare a aerului de ardere sau amestecului de aer-combustibil la motoarele cu aprindere prin scânteie, compoziţie şi dispozitiv pentru aplicarea procedeului

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0615016B2 (ja) * 1988-09-09 1994-03-02 トヨタ自動車株式会社 自動車排気ガス浄化装置
JPH03141816A (ja) * 1989-10-27 1991-06-17 Toyota Motor Corp 排気ガス浄化装置
JPH0724575Y2 (ja) * 1989-12-12 1995-06-05 ニチアス株式会社 内燃機関の排気浄化装置
DE4003939A1 (de) * 1990-02-09 1991-08-14 Degussa Katalysator fuer die reinigung der abgase von brennkraftmaschinen
DE4008789C2 (de) * 1990-03-19 1993-12-16 Schatz Oskar Verfahren und Vorrichtung zur Behandlung der Abgase von Verbrennungsmotoren
US5125231A (en) * 1990-06-08 1992-06-30 Corning Incorporated Dual converter engine exhaust system for reducing hydrocarbon emissions
US5078979A (en) * 1990-07-20 1992-01-07 Uop Molecular sieve bed/catalyst to treat automotive exhaust
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

Also Published As

Publication number Publication date
NO932831D0 (no) 1993-08-09
EP0582971A1 (de) 1994-02-16
CA2103647C (en) 1999-03-23
KR940003601A (ko) 1994-03-12
NO304584B1 (no) 1999-01-18
EP0582971B1 (de) 1997-11-19
TW322428B (no) 1997-12-11
KR100280284B1 (ko) 2001-02-01
JPH06154538A (ja) 1994-06-03
FI933511A (fi) 1994-02-11
HU212759B (en) 1996-11-28
ATE160295T1 (de) 1997-12-15
PL300013A1 (en) 1994-02-21
DE4226394A1 (de) 1994-02-17
DE59307696D1 (de) 1998-01-02
NO932831L (no) 1994-02-11
CZ151793A3 (en) 1994-10-19
DE4226394C2 (de) 1999-01-21
HUT67715A (en) 1995-04-28
MX9304814A (es) 1994-05-31
FI933511A0 (fi) 1993-08-09
DK0582971T3 (da) 1998-03-30
BR9303319A (pt) 1994-03-08
AR247829A1 (es) 1995-04-28
UA27233C2 (uk) 2000-08-15
CZ288953B6 (cs) 2001-10-17
FI104750B (fi) 2000-03-31
CN1084611A (zh) 1994-03-30
AU4453793A (en) 1994-02-17
PL177656B1 (pl) 1999-12-31
JP3484205B2 (ja) 2004-01-06
HU9302303D0 (en) 1993-10-28
ES2109401T3 (es) 1998-01-16
TR27986A (tr) 1995-11-07
AU664911B2 (en) 1995-12-07
CA2103647A1 (en) 1994-02-11

Similar Documents

Publication Publication Date Title
ZA935775B (en) A catalytic automotive emission control process with improved cold-start behavior
GB2295128B (en) Control of a vehicle powertrain
GB2279625B (en) A motor vehicle pedal arrangement
ZA932806B (en) An oxidative diesel control catalysts
EP0430435A3 (en) Three-way catalyst for automotive emission control
GB9214879D0 (en) A catalytic combustion chamber
GB9305076D0 (en) Vehicle with cruise control
GB9212794D0 (en) Catalytic combustion
EP0430437A3 (en) Three-way catalyst for automotive emission control
EP0363526A3 (en) Window-washing arrangement actuating process for a motor vehicle
HUP0004244A1 (en) Vinyl acetate process utilizing a palladium-gold-copper catalyst
EP0430436A3 (en) Three-way catalyst for automotive emission control
GB2220650B (en) A vehicle park
GB9520827D0 (en) A catalyst assembly
EP0671211A4 (en) EXHAUST EMISSIONS CATALYST AND PROCESS FOR PRODUCING THE SAME.
GB9207235D0 (en) Arrangement for immobilising a vehicle
GB9217509D0 (en) A catalytic combustion chamber
GB2270661B (en) A transmission assembly for a vehicle
GB2266698B (en) A Vehicle for Handling Round Bales
GB9207622D0 (en) A vehicle chassis
GB9215618D0 (en) A vehicle
ZA966419B (en) Process for the manufacture of a homogeneous catalyst for motor fuels
GB9211067D0 (en) Motor vehicle etc.start up control
AU118435S (en) A vehicle
AU115189S (en) A vehicle weathershield