DE69907808D1 - Katalysator zur selektiven Reduktion von Stickstoffoxiden - Google Patents
Katalysator zur selektiven Reduktion von StickstoffoxidenInfo
- Publication number
- DE69907808D1 DE69907808D1 DE69907808T DE69907808T DE69907808D1 DE 69907808 D1 DE69907808 D1 DE 69907808D1 DE 69907808 T DE69907808 T DE 69907808T DE 69907808 T DE69907808 T DE 69907808T DE 69907808 D1 DE69907808 D1 DE 69907808D1
- Authority
- DE
- Germany
- Prior art keywords
- catalyst
- nitrogen oxides
- selective reduction
- selective
- reduction
- 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
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
- F01N3/24—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 constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
-
- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/064—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing iron group metals, noble metals or copper
- B01J29/068—Noble metals
-
- 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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/14—Nitrogen oxides
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/096,829 US5968463A (en) | 1998-06-12 | 1998-06-12 | NOx selective reduction catalyst with broadened active temperature range |
US96829 | 1998-06-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69907808D1 true DE69907808D1 (de) | 2003-06-18 |
DE69907808T2 DE69907808T2 (de) | 2004-02-26 |
Family
ID=22259279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69907808T Expired - Fee Related DE69907808T2 (de) | 1998-06-12 | 1999-06-01 | Katalysator zur selektiven Reduktion von Stickstoffoxiden |
Country Status (4)
Country | Link |
---|---|
US (1) | US5968463A (de) |
EP (1) | EP0963782B1 (de) |
JP (1) | JP2000024505A (de) |
DE (1) | DE69907808T2 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6174504B1 (en) * | 1996-04-01 | 2001-01-16 | Asec Manufacturing | Methods of control of nitrogen oxide and hydrocarbon emissions from small engines |
US6514470B1 (en) | 1999-10-28 | 2003-02-04 | The Regents Of The University Of California | Catalysts for lean burn engine exhaust abatement |
FR2811908B1 (fr) * | 2000-07-24 | 2003-04-04 | Rhodia Terres Rares | Procede de traitement d'un gaz pour la reduction de l'emission des oxydes d'azote avec un catalyseur a base de rhodium avec du palladium et/ou du platine |
US6662951B1 (en) * | 2000-09-27 | 2003-12-16 | Basic Resources, Inc. | Process for extracting and purifying naturally occurring zeolite |
US7165393B2 (en) * | 2001-12-03 | 2007-01-23 | Catalytica Energy Systems, Inc. | System and methods for improved emission control of internal combustion engines |
US7082753B2 (en) * | 2001-12-03 | 2006-08-01 | Catalytica Energy Systems, Inc. | System and methods for improved emission control of internal combustion engines using pulsed fuel flow |
US6964157B2 (en) * | 2002-03-28 | 2005-11-15 | Ricardo, Inc | Exhaust emission control system and method for removal and storage of vehicle exhaust gas nitrogen oxides during cold operation |
EP1563169A1 (de) * | 2002-11-15 | 2005-08-17 | Catalytica Energy Systems, Inc. | Vorrichtung und methode zur reduktion der nox-emissionen in einem magermotor |
US7399729B2 (en) | 2003-12-22 | 2008-07-15 | General Electric Company | Catalyst system for the reduction of NOx |
US7060644B2 (en) * | 2004-01-08 | 2006-06-13 | Saudi Basic Industries Corporation | Aromatic alkylation catalyst and method |
WO2008130433A2 (en) * | 2006-10-12 | 2008-10-30 | C-3 International, Llc | Methods for providing prophylactic surface treatment for fluid processing systems and components thereof |
CN101284232B (zh) * | 2007-04-13 | 2013-01-16 | 微宏动力系统(湖州)有限公司 | 甲烷溴氧化制溴甲烷及其转化制碳氢化合物的催化剂 |
US8623301B1 (en) | 2008-04-09 | 2014-01-07 | C3 International, Llc | Solid oxide fuel cells, electrolyzers, and sensors, and methods of making and using the same |
US8846559B2 (en) | 2008-11-03 | 2014-09-30 | Saudi Basic Industries Corporation | Stable shape-selective catalyst for aromatic alkylation and methods of using and preparing |
US8062987B2 (en) | 2009-10-05 | 2011-11-22 | Saudi Basic Industries Corporation | Phosphorus-containing zeolite catalysts and their method of preparation |
WO2011100361A2 (en) | 2010-02-10 | 2011-08-18 | C3 International. Llc | Low temperature electrolytes for solid oxide cells having high ionic conductivity |
US9278342B2 (en) | 2012-07-02 | 2016-03-08 | Saudi Basic Industries Corporation | Method of modifying a phosphorus-containing zeolite catalyst |
EP3022792A4 (de) | 2013-07-15 | 2016-12-21 | Fcet Inc | Niedrigtemperatur-festoxidzellen |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4584287A (en) * | 1981-12-04 | 1986-04-22 | Union Oil Company Of California | Rare earth-containing Y zeolite compositions |
JP2771321B2 (ja) * | 1990-11-09 | 1998-07-02 | 日本碍子株式会社 | 排気ガス浄化用触媒組成物、排気ガス浄化用触媒及びその製造方法 |
DE69427932T2 (de) * | 1993-05-10 | 2002-04-04 | Sakai Chemical Industry Co | Katalysator zur katalytischen Reduktion von Stickstoffoxiden |
-
1998
- 1998-06-12 US US09/096,829 patent/US5968463A/en not_active Expired - Fee Related
-
1999
- 1999-05-31 JP JP11151384A patent/JP2000024505A/ja active Pending
- 1999-06-01 DE DE69907808T patent/DE69907808T2/de not_active Expired - Fee Related
- 1999-06-01 EP EP99304252A patent/EP0963782B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69907808T2 (de) | 2004-02-26 |
EP0963782A2 (de) | 1999-12-15 |
EP0963782A3 (de) | 2000-04-05 |
US5968463A (en) | 1999-10-19 |
EP0963782B1 (de) | 2003-05-14 |
JP2000024505A (ja) | 2000-01-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8327 | Change in the person/name/address of the patent owner |
Owner name: THE REGENT OF THE UNIVERSITY OF MICHIGAN, ANN ARBO |
|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |