DE69501100T2 - Katalysator und Verfahren zur Reinigung von Abgasen - Google Patents
Katalysator und Verfahren zur Reinigung von AbgasenInfo
- Publication number
- DE69501100T2 DE69501100T2 DE69501100T DE69501100T DE69501100T2 DE 69501100 T2 DE69501100 T2 DE 69501100T2 DE 69501100 T DE69501100 T DE 69501100T DE 69501100 T DE69501100 T DE 69501100T DE 69501100 T2 DE69501100 T2 DE 69501100T2
- Authority
- DE
- Germany
- Prior art keywords
- exhaust gas
- gas catalyst
- catalyst
- exhaust
- gas
- 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 - Lifetime
Links
Classifications
-
- 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
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/58—Platinum group metals with alkali- or alkaline earth metals
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/63—Platinum group metals with rare earths or actinides
-
- 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
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1023—Palladium
-
- 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
- B01D2255/1025—Rhodium
-
- 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
- B01D2255/2042—Barium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/206—Rare earth metals
- B01D2255/2063—Lanthanum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/206—Rare earth metals
- B01D2255/2065—Cerium
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16020994A JP3511314B2 (ja) | 1994-07-12 | 1994-07-12 | 排気ガス浄化用触媒および排気ガス浄化方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69501100D1 DE69501100D1 (de) | 1998-01-08 |
DE69501100T2 true DE69501100T2 (de) | 1998-04-09 |
Family
ID=15710118
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69501100T Expired - Lifetime DE69501100T2 (de) | 1994-07-12 | 1995-07-11 | Katalysator und Verfahren zur Reinigung von Abgasen |
Country Status (4)
Country | Link |
---|---|
US (1) | US5762892A (de) |
EP (1) | EP0692302B1 (de) |
JP (1) | JP3511314B2 (de) |
DE (1) | DE69501100T2 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3977883B2 (ja) * | 1996-10-03 | 2007-09-19 | 株式会社日立製作所 | 内燃機関用排ガス浄化触媒 |
JP3965711B2 (ja) * | 1996-10-25 | 2007-08-29 | 株式会社日立製作所 | 窒素酸化物の浄化触媒及び浄化方法 |
US6165429A (en) * | 1997-01-10 | 2000-12-26 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purifying catalyst and exhaust gas purifying method |
DE19838282A1 (de) * | 1998-08-24 | 2000-03-02 | Degussa | Stickoxid-Speichermaterial und daraus hergestellter Stickoxid-Speicherkatalysator |
DE19847008A1 (de) * | 1998-10-13 | 2000-04-20 | Degussa | Stickoxid-Speicherkatalysator |
JP4012320B2 (ja) * | 1998-10-15 | 2007-11-21 | 株式会社アイシーティー | 希薄燃焼エンジン用排気ガス浄化用触媒 |
DE19854794A1 (de) * | 1998-11-27 | 2000-05-31 | Degussa | Katalysator für die Reinigung der Abgase eines Dieselmotors |
JP2000176298A (ja) * | 1998-12-11 | 2000-06-27 | Mazda Motor Corp | 排気ガス浄化用触媒及びその製造方法 |
JP4438114B2 (ja) * | 1999-01-14 | 2010-03-24 | 株式会社日立製作所 | 内燃機関の排ガス浄化方法,排ガス浄化触媒及び排ガス浄化装置 |
US20020048542A1 (en) * | 1999-04-02 | 2002-04-25 | Michel Deeba | Catalytic trap and methods of making and using the same |
US6497848B1 (en) | 1999-04-02 | 2002-12-24 | Engelhard Corporation | Catalytic trap with potassium component and method of using the same |
JP4123644B2 (ja) * | 1999-06-22 | 2008-07-23 | トヨタ自動車株式会社 | 排ガス浄化触媒 |
DE60042991D1 (de) | 1999-07-09 | 2009-11-05 | Nissan Motor | Abgasreinigungskatalysator 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 |
JP3704701B2 (ja) * | 2000-04-25 | 2005-10-12 | 日産自動車株式会社 | 排気ガス浄化用触媒 |
DE60126515T2 (de) * | 2000-06-22 | 2007-11-22 | Mitsubishi Jidosha Kogyo K.K. | Katalysator zur Abgasreinigung |
JP4886935B2 (ja) * | 2001-04-16 | 2012-02-29 | 株式会社アイシーティー | 触媒 |
JP4645786B2 (ja) * | 2001-06-08 | 2011-03-09 | 三菱自動車工業株式会社 | 排ガス浄化用触媒 |
JP4413520B2 (ja) | 2003-04-17 | 2010-02-10 | 株式会社アイシーティー | 排ガス浄化用触媒及びその触媒を用いた排ガスの浄化方法 |
US7906085B2 (en) * | 2007-03-30 | 2011-03-15 | Battelle Memorial Institute | Fast-regenerable sulfur dioxide adsorbents for diesel engine emission control |
CN101748460B (zh) * | 2008-12-03 | 2011-04-13 | 中国科学院金属研究所 | 电化学涂敷纳米稀土氧化物或其复合材料催化剂的方法 |
JP6439761B2 (ja) * | 2016-08-09 | 2018-12-19 | トヨタ自動車株式会社 | NOx吸蔵還元触媒の製造方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7307675A (de) * | 1972-06-16 | 1973-12-18 | ||
JPS6388040A (ja) * | 1986-09-30 | 1988-04-19 | Nippon Engeruharudo Kk | 車輌用排気ガス浄化用触媒及びその製造方法 |
US4904633A (en) * | 1986-12-18 | 1990-02-27 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Catalyst for purifying exhaust gas and method for production thereof |
JPS63270544A (ja) | 1987-04-30 | 1988-11-08 | Nippon Engeruharudo Kk | 排気ガス浄化用触媒の製造方法 |
JP2537239B2 (ja) | 1987-08-28 | 1996-09-25 | エヌ・イーケムキヤツト 株式会社 | 耐熱性に優れた内燃機関排気ガス浄化用触媒及びその製造方法 |
JPH0338250A (ja) * | 1989-07-06 | 1991-02-19 | Mazda Motor Corp | 排気ガス浄化用触媒 |
DE4003939A1 (de) * | 1990-02-09 | 1991-08-14 | Degussa | Katalysator fuer die reinigung der abgase von brennkraftmaschinen |
US5116800A (en) * | 1990-12-11 | 1992-05-26 | Allied-Signal Inc. | High durability and exhuast catalyst with low hydrogen sulfide emissions |
CA2064977C (en) * | 1991-04-05 | 1998-09-22 | Eiichi Shiraishi | Catalyst for purifying exhaust gas |
JPH05168860A (ja) | 1991-12-26 | 1993-07-02 | Toyota Motor Corp | 排気ガス浄化方法 |
EP0573672B1 (de) * | 1991-12-27 | 1997-03-12 | Toyota Jidosha Kabushiki Kaisha | Vorrichtung zur emissionsregelung in einem verbrennungsmotor |
DE4244712C2 (de) * | 1992-02-14 | 1996-09-05 | Degussa | Beschichtungsdispersion zur Herstellung von kalysefördernden Überzügen auf einem inerten, strukturverstärkenden Körper |
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 |
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 |
JP3328322B2 (ja) | 1992-07-13 | 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 |
JP3303486B2 (ja) * | 1993-12-17 | 2002-07-22 | トヨタ自動車株式会社 | 排ガス浄化用触媒の製造方法 |
-
1994
- 1994-07-12 JP JP16020994A patent/JP3511314B2/ja not_active Expired - Lifetime
-
1995
- 1995-07-11 DE DE69501100T patent/DE69501100T2/de not_active Expired - Lifetime
- 1995-07-11 EP EP95110809A patent/EP0692302B1/de not_active Expired - Lifetime
-
1997
- 1997-05-29 US US08/864,894 patent/US5762892A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69501100D1 (de) | 1998-01-08 |
JP3511314B2 (ja) | 2004-03-29 |
EP0692302A2 (de) | 1996-01-17 |
US5762892A (en) | 1998-06-09 |
EP0692302A3 (de) | 1996-02-14 |
JPH0824643A (ja) | 1996-01-30 |
EP0692302B1 (de) | 1997-11-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |