DE69730764D1 - Katalysator und Verfahren zur katalytischen Reduzierung von Stickstoffoxiden - Google Patents
Katalysator und Verfahren zur katalytischen Reduzierung von StickstoffoxidenInfo
- Publication number
- DE69730764D1 DE69730764D1 DE69730764T DE69730764T DE69730764D1 DE 69730764 D1 DE69730764 D1 DE 69730764D1 DE 69730764 T DE69730764 T DE 69730764T DE 69730764 T DE69730764 T DE 69730764T DE 69730764 D1 DE69730764 D1 DE 69730764D1
- Authority
- DE
- Germany
- Prior art keywords
- catalyst
- nitrogen oxides
- catalytic reduction
- catalytic
- 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 - Lifetime
Links
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
- 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
- B01J23/66—Silver or gold
- B01J23/68—Silver or gold with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
-
- 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
- B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
-
- 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
- B01J23/48—Silver or gold
- B01J23/50—Silver
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/208—Hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/21—Organic compounds not provided for in groups B01D2251/206 or B01D2251/208
-
- 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
- B01D2255/104—Silver
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20723—Vanadium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/2073—Manganese
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20753—Nickel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20769—Molybdenum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20776—Tungsten
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2232396 | 1996-02-08 | ||
JP02232396A JP3453239B2 (ja) | 1995-08-18 | 1996-02-08 | 窒素酸化物接触還元用触媒 |
JP31205896A JP3872848B2 (ja) | 1996-11-22 | 1996-11-22 | 窒素酸化物接触還元用触媒 |
JP31205896 | 1996-11-22 | ||
JP01150897A JP3924341B2 (ja) | 1997-01-24 | 1997-01-24 | 窒素酸化物の接触還元方法 |
JP1150897 | 1997-01-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69730764D1 true DE69730764D1 (de) | 2004-10-28 |
DE69730764T2 DE69730764T2 (de) | 2006-01-19 |
Family
ID=27279452
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69730764T Expired - Lifetime DE69730764T2 (de) | 1996-02-08 | 1997-02-07 | Katalysator und Verfahren zur katalytischen Reduzierung von Stickstoffoxiden |
Country Status (3)
Country | Link |
---|---|
US (1) | US6045765A (de) |
EP (1) | EP0788829B1 (de) |
DE (1) | DE69730764T2 (de) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2374559A (en) * | 2001-04-20 | 2002-10-23 | Accentus Plc | Removal of nitrogen oxides from effluent gases |
US7257945B2 (en) * | 2003-02-10 | 2007-08-21 | U T Battelle, Llc | Stripping ethanol from ethanol-blended fuels for use in NOx SCR |
US7000382B2 (en) * | 2003-07-02 | 2006-02-21 | General Motors Corporation | Partial oxidation of alcohols |
WO2005044426A1 (ja) * | 2003-11-11 | 2005-05-19 | Valtion Teknillinen Tutkimuskeskus | 窒素酸化物を接触還元する方法をそのための触媒 |
US20050195966A1 (en) * | 2004-03-03 | 2005-09-08 | Sigma Dynamics, Inc. | Method and apparatus for optimizing the results produced by a prediction model |
EP1743043A4 (de) * | 2004-04-19 | 2008-08-27 | Sdc Materials Llc | Hochdurchsatzentdeckung von materialien mittels dampfphasensynthese |
DE102006031659A1 (de) * | 2006-07-08 | 2008-01-10 | Man Nutzfahrzeuge Aktiengesellschaft | Anordnung zur Verminderung von Stickoxiden in Abgasen |
JP2008168228A (ja) * | 2007-01-12 | 2008-07-24 | Okayama Univ | 未燃カーボンを用いてディーゼルエンジン排ガス中の窒素酸化物を浄化するための触媒と方法 |
JP2009219971A (ja) * | 2007-03-20 | 2009-10-01 | Denso Corp | セラミックハニカム構造体 |
JP2009219972A (ja) * | 2007-03-20 | 2009-10-01 | Denso Corp | 触媒材料の製造方法 |
JP4992773B2 (ja) * | 2007-03-20 | 2012-08-08 | 株式会社デンソー | 触媒材料 |
WO2008140786A1 (en) | 2007-05-11 | 2008-11-20 | Sdc Materials, Inc. | Method and apparatus for making uniform and ultrasmall nanoparticles |
US8530369B2 (en) * | 2007-09-19 | 2013-09-10 | General Electric Company | Catalyst and method of manufacture |
US9272271B2 (en) * | 2007-09-19 | 2016-03-01 | General Electric Company | Manufacture of catalyst compositions and systems |
US8507401B1 (en) | 2007-10-15 | 2013-08-13 | SDCmaterials, Inc. | Method and system for forming plug and play metal catalysts |
JP2012516282A (ja) * | 2009-01-30 | 2012-07-19 | ビー・エイ・エス・エフ、コーポレーション | 炭化水素および窒素酸化物からアンモニアを産生するための触媒 |
US8178064B2 (en) * | 2009-05-11 | 2012-05-15 | Basf Corporation | Treatment of power utilities exhaust |
US9149797B2 (en) | 2009-12-15 | 2015-10-06 | SDCmaterials, Inc. | Catalyst production method and system |
US20110143930A1 (en) * | 2009-12-15 | 2011-06-16 | SDCmaterials, Inc. | Tunable size of nano-active material on nano-support |
US8803025B2 (en) * | 2009-12-15 | 2014-08-12 | SDCmaterials, Inc. | Non-plugging D.C. plasma gun |
US8652992B2 (en) | 2009-12-15 | 2014-02-18 | SDCmaterials, Inc. | Pinning and affixing nano-active material |
US9126191B2 (en) | 2009-12-15 | 2015-09-08 | SDCmaterials, Inc. | Advanced catalysts for automotive applications |
US8545652B1 (en) | 2009-12-15 | 2013-10-01 | SDCmaterials, Inc. | Impact resistant material |
US8470112B1 (en) | 2009-12-15 | 2013-06-25 | SDCmaterials, Inc. | Workflow for novel composite materials |
US9119309B1 (en) | 2009-12-15 | 2015-08-25 | SDCmaterials, Inc. | In situ oxide removal, dispersal and drying |
US8557727B2 (en) * | 2009-12-15 | 2013-10-15 | SDCmaterials, Inc. | Method of forming a catalyst with inhibited mobility of nano-active material |
US20110152068A1 (en) * | 2009-12-17 | 2011-06-23 | General Electric Company | Processing of high surface area oxides |
US8669202B2 (en) | 2011-02-23 | 2014-03-11 | SDCmaterials, Inc. | Wet chemical and plasma methods of forming stable PtPd catalysts |
US9181832B2 (en) | 2011-03-21 | 2015-11-10 | Volvo Technology Corporation | Exhaust aftertreatment system where an activator material is added to the reductant fed to the catalytic converter |
EP2744590A4 (de) | 2011-08-19 | 2016-03-16 | Sdcmaterials Inc | Beschichtete substrate zur verwendung in der katalyse und katalysatoren sowie verfahren zur beschichtung von substraten mit grundierungszusammensetzungen |
US9156025B2 (en) | 2012-11-21 | 2015-10-13 | SDCmaterials, Inc. | Three-way catalytic converter using nanoparticles |
US9511352B2 (en) | 2012-11-21 | 2016-12-06 | SDCmaterials, Inc. | Three-way catalytic converter using nanoparticles |
WO2015013545A1 (en) | 2013-07-25 | 2015-01-29 | SDCmaterials, Inc. | Washcoats and coated substrates for catalytic converters |
KR20160061367A (ko) * | 2013-09-23 | 2016-05-31 | 에스디씨머티리얼스, 인코포레이티드 | 고 표면적 촉매 |
EP3060335A4 (de) | 2013-10-22 | 2017-07-19 | SDCMaterials, Inc. | Katalysatordesign für schwerlast-dieselverbrennungsmotoren |
EP3068517A4 (de) | 2013-10-22 | 2017-07-05 | SDCMaterials, Inc. | Zusammensetzungen aus mager-nox-falle |
EP3119500A4 (de) | 2014-03-21 | 2017-12-13 | SDC Materials, Inc. | Zusammensetzungen für passive nox-adsorptionssysteme |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3565828A (en) * | 1969-07-11 | 1971-02-23 | Air Prod & Chem | Hydrated silver aluminate catalyst |
US4092372A (en) * | 1975-04-03 | 1978-05-30 | Takeda Chemical Industries, Ltd. | Catalyst for the production of isoprene |
JPS6186944A (ja) * | 1984-10-02 | 1986-05-02 | Matsushita Electric Ind Co Ltd | 排ガス浄化用触媒体 |
JPH02261511A (ja) * | 1989-03-31 | 1990-10-24 | Komatsu Ltd | ディーゼル排気中の微粒子除去用触媒及びそのフィルタ |
JPH04298235A (ja) * | 1991-03-27 | 1992-10-22 | Sekiyu Sangyo Kasseika Center | 窒素酸化物接触還元用触媒 |
US5534237A (en) * | 1991-07-23 | 1996-07-09 | Kubushiki Kaisha Riken | Method of cleaning an exhaust gas and exhaust gas cleaner therefor |
US5744111A (en) * | 1992-07-03 | 1998-04-28 | Kabushiki Kaisha Riken | Method for cleaning exhaust gas |
EP0605251A1 (de) * | 1992-12-28 | 1994-07-06 | Kabushiki Kaisha Riken | Abgasreiniger |
US5714432A (en) * | 1992-12-28 | 1998-02-03 | Kabushiki Kaisha Riken | Exhaust gas cleaner comprising supported silver or silver oxide particles |
EP0667182A3 (de) * | 1994-02-10 | 1995-10-18 | Riken Kk | Abgasreiniger und Methode zum Reinigen von Abgas. |
FR2718371B1 (fr) * | 1994-04-08 | 1996-05-03 | Rhone Poulenc Chimie | Catalyseurs de réduction des oxydes d'azote à base de spinelles. |
US5658542A (en) * | 1994-07-15 | 1997-08-19 | Kabushiki Kaisha Riken | Exhaust gas cleaner and method for cleaning same |
US5714130A (en) * | 1994-11-28 | 1998-02-03 | Kabushiki Kaisha Riken | Exhaust gas cleaner and method for cleaning exhaust gas |
-
1997
- 1997-02-07 US US08/796,884 patent/US6045765A/en not_active Expired - Lifetime
- 1997-02-07 EP EP97300816A patent/EP0788829B1/de not_active Expired - Lifetime
- 1997-02-07 DE DE69730764T patent/DE69730764T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69730764T2 (de) | 2006-01-19 |
EP0788829A1 (de) | 1997-08-13 |
EP0788829B1 (de) | 2004-09-22 |
US6045765A (en) | 2000-04-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |