DE69616225D1 - Stickstoffoxid-Abscheider - Google Patents
Stickstoffoxid-AbscheiderInfo
- Publication number
- DE69616225D1 DE69616225D1 DE69616225T DE69616225T DE69616225D1 DE 69616225 D1 DE69616225 D1 DE 69616225D1 DE 69616225 T DE69616225 T DE 69616225T DE 69616225 T DE69616225 T DE 69616225T DE 69616225 D1 DE69616225 D1 DE 69616225D1
- Authority
- DE
- Germany
- Prior art keywords
- nitric oxide
- oxide separator
- separator
- nitric
- oxide
- 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.)
- Revoked
Links
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title 2
Classifications
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/19—Catalysts containing parts with different compositions
-
- 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
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9422—Processes characterised by a specific catalyst for removing nitrogen oxides by NOx storage or reduction by cyclic switching between lean and rich exhaust gases (LNT, NSC, NSR)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1021—Platinum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/202—Alkali metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/204—Alkaline earth metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/91—NOx-storage component incorporated in the catalyst
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/531,512 US5750082A (en) | 1995-09-21 | 1995-09-21 | Nox trap with improved performance |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69616225D1 true DE69616225D1 (de) | 2001-11-29 |
DE69616225T2 DE69616225T2 (de) | 2002-04-18 |
Family
ID=24117936
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69616225T Revoked DE69616225T2 (de) | 1995-09-21 | 1996-09-02 | Stickstoffoxid-Abscheider |
Country Status (4)
Country | Link |
---|---|
US (1) | US5750082A (de) |
EP (1) | EP0764459B1 (de) |
JP (1) | JPH09103676A (de) |
DE (1) | DE69616225T2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107530623A (zh) * | 2015-03-03 | 2018-01-02 | 巴斯夫公司 | 具有提高的高温和低温性能的贫NOx捕集 |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5939037A (en) * | 1997-02-07 | 1999-08-17 | Ford Global Technologies, Inc. | Sulfur tolerant NOx traps highly loaded with sodium or potassium |
DE19721440A1 (de) * | 1997-05-21 | 1998-11-26 | Degussa | Verfahren zur Reinigung eines mageren Abgases und Katalysatorsystem hierfür |
EP0892159A3 (de) * | 1997-07-17 | 2000-04-26 | Hitachi, Ltd. | Abgasreiningungsvorrichtung und -Verfahren einer Brennkraftmaschine |
JPH11285624A (ja) * | 1997-12-18 | 1999-10-19 | Ford Global Technol Inc | 自動車の排出物削減のための白金/アルミナ・窒素酸化物ト ラップの使用 |
US6221804B1 (en) * | 1998-01-27 | 2001-04-24 | Mazda Motor Corporation | Catalyst for purifying exhaust gas and manufacturing method thereof |
US6350421B1 (en) * | 1998-08-24 | 2002-02-26 | Dmc2 Degussa Metals Catalysts Cerdec Ag | Nitrogen oxide storage material and nitrogen oxide storing catalyst prepared therefrom |
JP3370957B2 (ja) * | 1998-09-18 | 2003-01-27 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
US6497848B1 (en) | 1999-04-02 | 2002-12-24 | Engelhard Corporation | Catalytic trap with potassium component and method of using the same |
FR2793163B1 (fr) * | 1999-05-07 | 2001-08-10 | Ecia Equip Composants Ind Auto | Composition d'epuration avec traitement des nox des gaz d'echappement d'un moteur a combustion interne |
US6615580B1 (en) | 1999-06-23 | 2003-09-09 | Southwest Research Institute | Integrated system for controlling diesel engine emissions |
US6293096B1 (en) | 1999-06-23 | 2001-09-25 | Southwest Research Institute | Multiple stage aftertreatment system |
DE60038075T2 (de) | 1999-07-02 | 2009-02-19 | Nissan Motor Co., Ltd., Yokohama-shi | Abgasreinigungssystem |
DE60035880T2 (de) * | 2000-02-22 | 2007-12-20 | Mazda Motor Corp. | Katalysator zur abgasreinigung und verfahren zu seiner herstellung |
US6296822B1 (en) | 2000-03-29 | 2001-10-02 | Ford Global Technologies, Inc | Process for manufacturing nox traps with improved sulfur tolerance |
JP3733834B2 (ja) * | 2000-05-02 | 2006-01-11 | 日産自動車株式会社 | 内燃機関の排気浄化装置 |
US6419890B1 (en) | 2000-08-09 | 2002-07-16 | Engelhard Corporation | SOX tolerant NOX trap catalysts and methods of making and using the same |
US6537511B1 (en) * | 2000-08-21 | 2003-03-25 | Ford Global Technologies, Inc. | Modified platinum NOx trap for automotive emission reduction |
GB0022786D0 (en) | 2000-09-16 | 2000-11-01 | Johnson Matthey Plc | NOx-Trap composition |
JP4573993B2 (ja) * | 2000-11-09 | 2010-11-04 | 日産自動車株式会社 | 排気ガス浄化用触媒及びその製造方法 |
GB0028198D0 (en) * | 2000-11-20 | 2001-01-03 | Johnson Matthey Plc | High temperature nox-trap component |
US6585945B2 (en) | 2001-01-26 | 2003-07-01 | Engelhard Corporation | SOx tolerant NOx trap catalysts and methods of making and using the same |
US6699448B2 (en) | 2001-01-26 | 2004-03-02 | Engelhard Corporation | SOx tolerant NOx trap catalysts and methods of making and using the same |
US6756338B2 (en) * | 2001-09-19 | 2004-06-29 | Johnson Matthey Public Limited Company | Lean NOx trap/conversion catalyst |
FR2831468B1 (fr) * | 2001-10-31 | 2004-09-03 | Renault | COMPOSITION UTILISABLE COMME PIEGE A NOx ET SON UTILISATION DANS LE TRAITEMENT DES GAZ D'ECHAPPEMENT |
JP3826770B2 (ja) * | 2001-11-16 | 2006-09-27 | 日産自動車株式会社 | 燃料改質システム |
FR2836069B1 (fr) * | 2002-02-15 | 2007-02-23 | Faurecia Sys Echappement | Dispositif utilisable dans le traitement des gaz d'echappement de moteurs fonctionnant en melange pauvre notamment |
FR2836068B1 (fr) * | 2002-02-15 | 2005-01-21 | Rhodia Elect & Catalysis | Composition catalytique a base de deux catalyseurs utilisable dans le traitement des gaz d'echappement de moteurs fonctionnant en melange pauvre notamment |
US7055311B2 (en) * | 2002-08-31 | 2006-06-06 | Engelhard Corporation | Emission control system for vehicles powered by diesel engines |
US7329629B2 (en) | 2002-10-24 | 2008-02-12 | Ford Global Technologies, Llc | Catalyst system for lean burn engines |
DE10300408A1 (de) * | 2003-01-09 | 2004-07-22 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Verfahren zur Behandlung eines Fluids und Wabenkörper |
JP3852466B2 (ja) * | 2004-11-30 | 2006-11-29 | いすゞ自動車株式会社 | NOx浄化システム |
US7389638B2 (en) * | 2005-07-12 | 2008-06-24 | Exxonmobil Research And Engineering Company | Sulfur oxide/nitrogen oxide trap system and method for the protection of nitrogen oxide storage reduction catalyst from sulfur poisoning |
DE102005037893A1 (de) * | 2005-08-10 | 2007-02-15 | Süd-Chemie AG | Verfahren zur Herstellung hochaktiver Metall/Metalloxid-Katalysatoren |
US20080053071A1 (en) * | 2006-09-05 | 2008-03-06 | Karen Adams | System and Method for Reducing NOx Emissions |
US8475752B2 (en) * | 2008-06-27 | 2013-07-02 | Basf Corporation | NOx adsorber catalyst with superior low temperature performance |
US9662611B2 (en) * | 2009-04-03 | 2017-05-30 | Basf Corporation | Emissions treatment system with ammonia-generating and SCR catalysts |
CN104902997B (zh) | 2013-01-08 | 2018-09-04 | 优美科股份公司及两合公司 | 用于还原氮氧化物的催化剂 |
EP2769760A1 (de) * | 2013-02-21 | 2014-08-27 | Umicore AG & Co. KG | Katalysator zur Reduktion von Stickoxiden |
JP2020536727A (ja) | 2017-10-12 | 2020-12-17 | ビーエーエスエフ コーポレーション | NOx吸収体およびSCR触媒の組み合わせ |
EP4046711A4 (de) * | 2019-10-18 | 2023-11-15 | Umicore Shokubai Japan Co., Ltd. | Abgasreinigungskatalysator, abgasreinigungsverfahren und verfahren zum produzieren eines abgasreinigungskatalysators |
BR112022011365A2 (pt) | 2019-12-13 | 2022-08-23 | Basf Corp | Sistema de tratamento de emissão de redução de nox em uma corrente de exaustão de um motor de queima pobre e método para reduzir nox em uma corrente de exaustão de um motor de queima pobre |
Family Cites Families (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3388077A (en) * | 1963-04-01 | 1968-06-11 | Universal Oil Prod Co | Catalyst for treatment of combustible waste products |
JPS56102940A (en) * | 1980-01-18 | 1981-08-17 | Toyota Motor Corp | Catalyst for cleaning exhaust gas |
US4497783A (en) * | 1981-08-17 | 1985-02-05 | American Cyanamid Company | Exhaust emission catalyst |
FR2556236B1 (fr) * | 1983-12-09 | 1988-04-01 | Pro Catalyse | Procede de fabrication d'un catalyseur pour le traitement des gaz d'echappement |
US4675308A (en) * | 1984-06-14 | 1987-06-23 | Engelhard Corporation | Three-way catalyst for lean operating engines |
JPS61111127A (ja) * | 1984-11-06 | 1986-05-29 | Ebara Infilco Co Ltd | 排ガスの処理方法 |
US4769356A (en) * | 1985-06-20 | 1988-09-06 | Matsushita Electric Industrial Co., Ltd. | Catalyst for purifying exhaust gas |
JPS6377543A (ja) * | 1986-09-17 | 1988-04-07 | Toyota Motor Corp | 排気ガス浄化用触媒 |
US4760044A (en) * | 1987-06-15 | 1988-07-26 | Allied-Signal Inc. | Catalyst for minimizing the H2 S emissions from automotive exhaust and method of its manufacture |
US4902664A (en) * | 1987-08-13 | 1990-02-20 | Engelhard Corporation | Thermally stabilized catalysts containing alumina and methods of making the same |
JP3285857B2 (ja) * | 1989-07-06 | 2002-05-27 | マツダ株式会社 | 排気ガス浄化用触媒 |
JP3113903B2 (ja) * | 1990-11-29 | 2000-12-04 | 工業技術院長 | 窒素酸化物除去剤 |
JPH04354536A (ja) * | 1991-05-29 | 1992-12-08 | Asahi Glass Co Ltd | 窒素酸化物分解触媒と窒素酸化物の分解方法 |
JP2586738B2 (ja) * | 1991-10-14 | 1997-03-05 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP2797800B2 (ja) * | 1991-12-18 | 1998-09-17 | トヨタ自動車株式会社 | 触媒劣化度検出装置 |
US5412945A (en) * | 1991-12-27 | 1995-05-09 | Kabushiki Kaisha Toyota Cho Kenkusho | Exhaust purification device of an internal combustion engine |
JP3311012B2 (ja) * | 1992-03-23 | 2002-08-05 | 株式会社豊田中央研究所 | 排気ガス浄化用触媒および排気ガス浄化方法 |
JPH05277376A (ja) * | 1992-03-31 | 1993-10-26 | Nippon Shokubai Co Ltd | 窒素酸化物除去用触媒およびこれを用いてなる窒素酸化物除去方法 |
JP3328318B2 (ja) * | 1992-05-22 | 2002-09-24 | トヨタ自動車株式会社 | 排気ガスの浄化方法 |
JP2605586B2 (ja) * | 1992-07-24 | 1997-04-30 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP2605553B2 (ja) * | 1992-08-04 | 1997-04-30 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP3433956B2 (ja) * | 1992-09-21 | 2003-08-04 | トヨタ自動車株式会社 | 排気ガス浄化方法 |
US5406790A (en) * | 1992-12-11 | 1995-04-18 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purification device for an engine |
DE69427602T2 (de) * | 1993-01-11 | 2001-11-22 | Cataler Industrial Co., Ltd. | Verfahren zur Reinigung von Abgasen |
JP2760251B2 (ja) * | 1993-03-12 | 1998-05-28 | トヨタ自動車株式会社 | 内燃機関の排気ガス浄化装置 |
DE69435061T2 (de) * | 1993-06-25 | 2008-12-18 | Basf Catalysts Llc | Katalysatorzusammensetzung |
JPH07108172A (ja) * | 1993-10-12 | 1995-04-25 | Toyota Motor Corp | 排気ガス浄化用触媒及びその製造方法 |
JP3363564B2 (ja) * | 1994-02-04 | 2003-01-08 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
JP3391878B2 (ja) * | 1994-02-23 | 2003-03-31 | トヨタ自動車株式会社 | 排気ガス浄化用触媒 |
JP3358766B2 (ja) * | 1994-12-16 | 2002-12-24 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
-
1995
- 1995-09-21 US US08/531,512 patent/US5750082A/en not_active Expired - Fee Related
-
1996
- 1996-07-23 JP JP8193150A patent/JPH09103676A/ja not_active Abandoned
- 1996-09-02 DE DE69616225T patent/DE69616225T2/de not_active Revoked
- 1996-09-02 EP EP96306342A patent/EP0764459B1/de not_active Revoked
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107530623A (zh) * | 2015-03-03 | 2018-01-02 | 巴斯夫公司 | 具有提高的高温和低温性能的贫NOx捕集 |
Also Published As
Publication number | Publication date |
---|---|
US5750082A (en) | 1998-05-12 |
EP0764459A3 (de) | 1997-05-02 |
DE69616225T2 (de) | 2002-04-18 |
EP0764459A2 (de) | 1997-03-26 |
JPH09103676A (ja) | 1997-04-22 |
EP0764459B1 (de) | 2001-10-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8331 | Complete revocation |