ZA935775B - A catalytic automotive emission control process with improved cold-start behavior - Google Patents
A catalytic automotive emission control process with improved cold-start behaviorInfo
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4226394A DE4226394C2 (en) | 1992-08-10 | 1992-08-10 | Process for catalytic exhaust gas cleaning with improved cold start behavior |
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 (en) |
JP (1) | JP3484205B2 (en) |
KR (1) | KR100280284B1 (en) |
CN (1) | CN1084611A (en) |
AR (1) | AR247829A1 (en) |
AT (1) | ATE160295T1 (en) |
AU (1) | AU664911B2 (en) |
BR (1) | BR9303319A (en) |
CA (1) | CA2103647C (en) |
CZ (1) | CZ288953B6 (en) |
DE (2) | DE4226394C2 (en) |
DK (1) | DK0582971T3 (en) |
ES (1) | ES2109401T3 (en) |
FI (1) | FI104750B (en) |
HU (1) | HU212759B (en) |
MX (1) | MX9304814A (en) |
NO (1) | NO304584B1 (en) |
PL (1) | PL177656B1 (en) |
TR (1) | TR27986A (en) |
TW (1) | TW322428B (en) |
UA (1) | UA27233C2 (en) |
ZA (1) | ZA935775B (en) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4239875C2 (en) * | 1992-11-27 | 1999-02-11 | Degussa | Exhaust gas purification system to reduce hydrocarbon emissions during the cold start of internal combustion engines |
JP3526084B2 (en) * | 1993-12-28 | 2004-05-10 | 日本碍子株式会社 | Adsorption / catalyst for exhaust gas purification, adsorbent, exhaust gas purification system and exhaust gas purification method |
JP3516718B2 (en) * | 1994-07-05 | 2004-04-05 | 日本碍子株式会社 | Exhaust gas purification catalyst-adsorbent and exhaust gas purification method |
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 (en) * | 1996-04-12 | 1997-10-16 | Degussa | Diesel catalyst |
JP2000516681A (en) * | 1996-08-19 | 2000-12-12 | フォルクスワーゲン・アクチェンゲゼルシャフト | Spark ignition type internal combustion engine equipped with NOx absorber |
JP3417309B2 (en) * | 1997-10-28 | 2003-06-16 | トヨタ自動車株式会社 | Hydrocarbon adsorbent |
DE19814132A1 (en) * | 1998-03-30 | 1999-10-14 | Emitec Emissionstechnologie | Honeycomb body with adsorber material, especially for a hydrocarbon trap |
WO1999056859A1 (en) * | 1998-05-07 | 1999-11-11 | Engelhard Corporation | Catalyzed hydrocarbon trap and method using the same |
JP3772583B2 (en) * | 1998-06-01 | 2006-05-10 | 日産自動車株式会社 | Exhaust gas purification device for internal combustion engine |
GB0003405D0 (en) | 2000-02-15 | 2000-04-05 | Johnson Matthey Plc | Improvements in emissions control |
JP4642978B2 (en) | 2000-08-08 | 2011-03-02 | 株式会社キャタラー | Exhaust gas purification catalyst |
US7084086B2 (en) | 2002-02-01 | 2006-08-01 | Cataler Corporation | Catalyst for purifying exhaust gases |
EP2322267B1 (en) * | 2002-02-01 | 2017-08-23 | Cataler Corporation | Catalyst for purifying exhaust gases |
DE102009007764A1 (en) * | 2009-02-06 | 2010-08-12 | Daimler Ag | Method for operating an internal combustion engine with an emission control system |
DE102009007765A1 (en) * | 2009-02-06 | 2010-08-12 | Daimler Ag | Method for operating an internal combustion engine with an exhaust gas purification system comprising an SCR catalytic converter |
DE102009060290A1 (en) * | 2009-12-23 | 2011-06-30 | Volkswagen AG, 38440 | Exhaust gas cleaning in gasoline engines with direct injection using adsorbers with Partikelabscheidefunktion |
DE102013210270A1 (en) | 2013-06-03 | 2014-12-04 | Umicore Ag & Co. Kg | three-way |
US9446395B2 (en) * | 2014-02-19 | 2016-09-20 | Ford Global Technologies, Llc | Low temperature catalyst/hydrocarbon trap |
DE102014204682A1 (en) | 2014-03-13 | 2015-10-01 | Umicore Ag & Co. Kg | Catalyst system for reducing noxious gases from gasoline internal combustion engines |
CN114308033A (en) | 2015-06-29 | 2022-04-12 | 康宁股份有限公司 | Reduced emissions porous ceramic body |
RO134399B1 (en) | 2019-01-30 | 2024-04-30 | Mihai Suta | Process for additivation of combustion in spark-ignition engines, composition, device and method for carrying out the same |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0615016B2 (en) * | 1988-09-09 | 1994-03-02 | トヨタ自動車株式会社 | Automotive exhaust gas purification device |
JPH03141816A (en) * | 1989-10-27 | 1991-06-17 | Toyota Motor Corp | Exhaust gas purifier |
JPH0724575Y2 (en) * | 1989-12-12 | 1995-06-05 | ニチアス株式会社 | Exhaust gas purification device for internal combustion engine |
DE4003939A1 (en) * | 1990-02-09 | 1991-08-14 | Degussa | Noble metal alumina catalyst contg. oxide promoter for gas purificn. - doped with base metal for cold start property and resistance to lean gas |
DE4008789C2 (en) * | 1990-03-19 | 1993-12-16 | Schatz Oskar | Method and device for treating exhaust gases from internal combustion engines |
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 |
-
1992
- 1992-08-10 DE DE4226394A patent/DE4226394C2/en not_active Expired - Lifetime
-
1993
- 1993-07-03 TW TW082105307A patent/TW322428B/zh active
- 1993-07-27 CZ CZ19931517A patent/CZ288953B6/en not_active IP Right Cessation
- 1993-08-02 TR TR00674/93A patent/TR27986A/en unknown
- 1993-08-05 AT AT93112553T patent/ATE160295T1/en not_active IP Right Cessation
- 1993-08-05 DK DK93112553.8T patent/DK0582971T3/en active
- 1993-08-05 EP EP93112553A patent/EP0582971B1/en not_active Expired - Lifetime
- 1993-08-05 ES ES93112553T patent/ES2109401T3/en not_active Expired - Lifetime
- 1993-08-05 DE DE59307696T patent/DE59307696D1/en not_active Expired - Fee Related
- 1993-08-06 UA UA93002235A patent/UA27233C2/en unknown
- 1993-08-09 NO NO932831A patent/NO304584B1/en not_active IP Right Cessation
- 1993-08-09 HU HU9302303A patent/HU212759B/en not_active IP Right Cessation
- 1993-08-09 CN CN93116238A patent/CN1084611A/en active Pending
- 1993-08-09 BR BR9303319A patent/BR9303319A/en not_active IP Right Cessation
- 1993-08-09 MX MX9304814A patent/MX9304814A/en not_active IP Right Cessation
- 1993-08-09 ZA ZA935775A patent/ZA935775B/en unknown
- 1993-08-09 CA CA002103647A patent/CA2103647C/en not_active Expired - Fee Related
- 1993-08-09 KR KR1019930015388A patent/KR100280284B1/en not_active IP Right Cessation
- 1993-08-09 PL PL93300013A patent/PL177656B1/en unknown
- 1993-08-09 JP JP19722093A patent/JP3484205B2/en not_active Expired - Lifetime
- 1993-08-09 AU AU44537/93A patent/AU664911B2/en not_active Ceased
- 1993-08-09 FI FI933511A patent/FI104750B/en active
- 1993-08-10 AR AR93325657A patent/AR247829A1/en active
Also Published As
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