DE19681688T1 - Zeolithe zur Adsorption und Oxidation von Kohlenwasserstoffen in Dieselmotorabgasen - Google Patents
Zeolithe zur Adsorption und Oxidation von Kohlenwasserstoffen in DieselmotorabgasenInfo
- Publication number
- DE19681688T1 DE19681688T1 DE19681688T DE19681688T DE19681688T1 DE 19681688 T1 DE19681688 T1 DE 19681688T1 DE 19681688 T DE19681688 T DE 19681688T DE 19681688 T DE19681688 T DE 19681688T DE 19681688 T1 DE19681688 T1 DE 19681688T1
- Authority
- DE
- Germany
- Prior art keywords
- zeolites
- hydrocarbons
- adsorption
- oxidation
- diesel engine
- 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.)
- Withdrawn
Links
- 229930195733 hydrocarbon Natural products 0.000 title 1
- 150000002430 hydrocarbons Chemical class 0.000 title 1
- 230000003647 oxidation Effects 0.000 title 1
- 238000007254 oxidation reaction Methods 0.000 title 1
- 238000001179 sorption measurement Methods 0.000 title 1
- 239000010457 zeolite Substances 0.000 title 1
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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
- B01J37/0246—Coatings comprising a zeolite
-
- 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
-
- 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
- B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation 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
- B01D53/34—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
- B01D53/9486—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start for storing hydrocarbons
-
- 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
- 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
-
- 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
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0215—Coating
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
- B01J37/0244—Coatings comprising several layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
- B01D2253/108—Zeolites
-
- 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
-
- 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
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
- B01J29/7215—Zeolite Beta
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
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)
- Crystallography & Structural Chemistry (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/576,423 US5804155A (en) | 1992-11-19 | 1995-12-18 | Basic zeolites as hydrocarbon traps for diesel oxidation catalysts |
PCT/US1996/015992 WO1997022404A1 (en) | 1995-12-18 | 1996-10-04 | Zeolites for the adsorption and oxidation of hydrocarbons in diesel engine exhaust gases |
Publications (1)
Publication Number | Publication Date |
---|---|
DE19681688T1 true DE19681688T1 (de) | 1998-10-29 |
Family
ID=24304361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19681688T Withdrawn DE19681688T1 (de) | 1995-12-18 | 1996-10-04 | Zeolithe zur Adsorption und Oxidation von Kohlenwasserstoffen in Dieselmotorabgasen |
Country Status (8)
Country | Link |
---|---|
US (1) | US5804155A (de) |
JP (1) | JP3942636B2 (de) |
KR (1) | KR20000064436A (de) |
AU (1) | AU7392396A (de) |
BR (1) | BR9612062A (de) |
DE (1) | DE19681688T1 (de) |
WO (1) | WO1997022404A1 (de) |
ZA (1) | ZA968629B (de) |
Families Citing this family (64)
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---|---|---|---|---|
EP0842700B1 (de) * | 1996-11-11 | 1999-03-24 | Degussa Ag | Abgasreinigungskatalysator mit Verbessertem Umsatz für Kohlenwasserstoffe |
DE19653910A1 (de) * | 1996-12-21 | 1998-06-25 | Daimler Benz Ag | Verfahren und Katalysator zur Verringerung von Schadstoffen in Gasen |
EP1016447B1 (de) * | 1997-04-23 | 2007-10-17 | Toyota Jidosha Kabushiki Kaisha | Verfahren zur abgasreinigung |
US6311484B1 (en) | 2000-02-22 | 2001-11-06 | Engelhard Corporation | System for reducing NOx transient emission |
JP4703818B2 (ja) * | 2000-06-20 | 2011-06-15 | 株式会社アイシーティー | 排気ガス浄化用触媒および排気ガス浄化方法 |
US6617276B1 (en) * | 2000-07-21 | 2003-09-09 | Johnson Matthey Public Limited Company | Hydrocarbon trap/catalyst for reducing cold-start emissions from internal combustion engines |
US6826906B2 (en) | 2000-08-15 | 2004-12-07 | Engelhard Corporation | Exhaust system for enhanced reduction of nitrogen oxides and particulates from diesel engines |
US20020172633A1 (en) * | 2001-03-06 | 2002-11-21 | Koermer Gerald S. | Vehicular atmosphere cleansing system |
ES2182721B1 (es) * | 2001-07-27 | 2004-01-16 | Univ Valencia Politecnica | Un sistema catalitico para disminuir emisiones de compuestos organicos volatiles en gases de combustion. |
US7055311B2 (en) * | 2002-08-31 | 2006-06-06 | Engelhard Corporation | Emission control system for vehicles powered by diesel engines |
FI118418B (fi) | 2003-04-17 | 2007-11-15 | Ecocat Oy | Alumiinioksidipohjainen katalyytti poistekaasujen puhdistukseen |
US7229597B2 (en) | 2003-08-05 | 2007-06-12 | Basfd Catalysts Llc | Catalyzed SCR filter and emission treatment system |
AT6701U3 (de) * | 2003-11-25 | 2004-07-26 | Avl List Gmbh | Messeinrichtung, vorzugsweise eines prüfstandes für motoren und fahrzeuge, zur analyse von abgasen einer brennkraftmaschine |
US20060277897A1 (en) * | 2005-06-08 | 2006-12-14 | Ralph Slone | NOx reduction system and method |
US7576031B2 (en) * | 2006-06-09 | 2009-08-18 | Basf Catalysts Llc | Pt-Pd diesel oxidation catalyst with CO/HC light-off and HC storage function |
US8148290B2 (en) * | 2006-06-27 | 2012-04-03 | Basf Corporation | Diesel exhaust treatment system catalyst monitoring |
FR2907847A1 (fr) * | 2006-10-25 | 2008-05-02 | Renault Sas | Systeme de traitement des hydrocarbures lourds emis par un reformeur embarque sur une ligne d'echappement d'un moteur a combustion interne |
US20080190099A1 (en) * | 2006-12-20 | 2008-08-14 | Aleksey Yezerets | System and method for inhibiting uncontrolled regeneration of a particulate filter for an internal combustion engine |
US8142619B2 (en) | 2007-05-11 | 2012-03-27 | Sdc Materials Inc. | Shape of cone and air input annulus |
US8481449B1 (en) | 2007-10-15 | 2013-07-09 | SDCmaterials, Inc. | Method and system for forming plug and play oxide catalysts |
JP2011524857A (ja) | 2008-05-15 | 2011-09-08 | シエル・インターナシヨナル・リサーチ・マートスハツペイ・ベー・ヴエー | アルキレンカーボネートおよびアルキレングリコールの調製のための方法 |
US8193374B2 (en) | 2008-05-15 | 2012-06-05 | Shell Oil Company | Process for the preparation of alkylene carbonate and/or alkylene glycol |
KR100999635B1 (ko) * | 2008-11-21 | 2010-12-08 | 기아자동차주식회사 | 디젤 산화 촉매 및 이를 구비한 배기 장치 |
DE102009015592A1 (de) | 2009-03-30 | 2010-10-07 | Süd-Chemie AG | Alterungsstabiler Katalysator zur Oxidation von NO zu NO2 in Abgasströmen |
US8637426B2 (en) * | 2009-04-08 | 2014-01-28 | Basf Corporation | Zoned catalysts for diesel applications |
DE102009037494A1 (de) * | 2009-08-13 | 2011-02-17 | Schott Ag | Thermokatalytisch aktiver Formkörper, Verfahren zu seiner Herstellung und dessen Verwendung |
DE102009053951A1 (de) | 2009-11-18 | 2011-05-19 | Süd-Chemie AG | Alterungsstabiler Rh-Zeolith Katalysator |
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 |
US8557727B2 (en) | 2009-12-15 | 2013-10-15 | SDCmaterials, Inc. | Method of forming a catalyst with inhibited mobility of nano-active material |
US9149797B2 (en) | 2009-12-15 | 2015-10-06 | SDCmaterials, Inc. | Catalyst production method and system |
US9119309B1 (en) | 2009-12-15 | 2015-08-25 | SDCmaterials, Inc. | In situ oxide removal, dispersal and drying |
US8323378B2 (en) | 2010-04-28 | 2012-12-04 | Praxair Technology, Inc. | Oxygen supply method and apparatus |
US9561476B2 (en) | 2010-12-15 | 2017-02-07 | Praxair Technology, Inc. | Catalyst containing oxygen transport membrane |
US8669202B2 (en) | 2011-02-23 | 2014-03-11 | SDCmaterials, Inc. | Wet chemical and plasma methods of forming stable PtPd catalysts |
JP2014524352A (ja) | 2011-08-19 | 2014-09-22 | エスディーシーマテリアルズ, インコーポレイテッド | 触媒作用および触媒コンバータに使用するための被覆基材ならびにウォッシュコート組成物で基材を被覆する方法 |
US9486735B2 (en) | 2011-12-15 | 2016-11-08 | Praxair Technology, Inc. | Composite oxygen transport membrane |
CN103987681B (zh) | 2011-12-15 | 2016-08-24 | 普莱克斯技术有限公司 | 复合氧气传送膜 |
JP5988743B2 (ja) | 2012-07-18 | 2016-09-07 | ユニゼオ株式会社 | Fe(II)置換ベータ型ゼオライト、それを含むガス吸着剤及びその製造方法、並びに一酸化窒素及びハイドロカーボンの除去方法 |
US9511352B2 (en) | 2012-11-21 | 2016-12-06 | SDCmaterials, Inc. | Three-way catalytic converter using nanoparticles |
US9156025B2 (en) | 2012-11-21 | 2015-10-13 | SDCmaterials, Inc. | Three-way catalytic converter using nanoparticles |
WO2014100376A1 (en) | 2012-12-19 | 2014-06-26 | Praxair Technology, Inc. | Method for sealing an oxygen transport membrane assembly |
US9453644B2 (en) | 2012-12-28 | 2016-09-27 | Praxair Technology, Inc. | Oxygen transport membrane based advanced power cycle with low pressure synthesis gas slip stream |
JP6058433B2 (ja) * | 2013-03-12 | 2017-01-11 | ユニゼオ株式会社 | ハイドロカーボンリフォーマトラップ材及びハイドロカーボンの除去方法 |
US9212113B2 (en) | 2013-04-26 | 2015-12-15 | Praxair Technology, Inc. | Method and system for producing a synthesis gas using an oxygen transport membrane based reforming system with secondary reforming and auxiliary heat source |
US9296671B2 (en) | 2013-04-26 | 2016-03-29 | Praxair Technology, Inc. | Method and system for producing methanol using an integrated oxygen transport membrane based reforming system |
US9611144B2 (en) | 2013-04-26 | 2017-04-04 | Praxair Technology, Inc. | Method and system for producing a synthesis gas in an oxygen transport membrane based reforming system that is free of metal dusting corrosion |
US9938145B2 (en) | 2013-04-26 | 2018-04-10 | Praxair Technology, Inc. | Method and system for adjusting synthesis gas module in an oxygen transport membrane based reforming system |
US9586179B2 (en) | 2013-07-25 | 2017-03-07 | SDCmaterials, Inc. | Washcoats and coated substrates for catalytic converters and methods of making and using same |
BR112016007552A2 (pt) | 2013-10-07 | 2017-08-01 | Praxair Technology Inc | painel de membrana de transporte de oxigênio, conjuntos de tubos da membrana de transporte de oxigênio e de blocos do reator de reforma, módulo de arranjo da membrana de transporte de oxigênio, trem da fornalha de gás de síntese, e, usina de gás de síntese |
MX2016004567A (es) | 2013-10-08 | 2016-07-21 | Praxair Technology Inc | Sistema y metodo para el control de temperatura en un reactor a base de membrana de transporte de oxigeno. |
CA2926135A1 (en) | 2013-10-22 | 2015-04-30 | SDCmaterials, Inc. | Compositions of lean nox trap |
CN106061600A (zh) | 2013-10-22 | 2016-10-26 | Sdc材料公司 | 用于重型柴油机的催化剂设计 |
WO2015084729A1 (en) | 2013-12-02 | 2015-06-11 | Praxair Technology, Inc. | Method and system for producing hydrogen using an oxygen transport membrane based reforming system with secondary reforming |
US9562472B2 (en) | 2014-02-12 | 2017-02-07 | Praxair Technology, Inc. | Oxygen transport membrane reactor based method and system for generating electric power |
US9687811B2 (en) | 2014-03-21 | 2017-06-27 | SDCmaterials, Inc. | Compositions for passive NOx adsorption (PNA) systems and methods of making and using same |
US10822234B2 (en) | 2014-04-16 | 2020-11-03 | Praxair Technology, Inc. | Method and system for oxygen transport membrane enhanced integrated gasifier combined cycle (IGCC) |
US9789445B2 (en) | 2014-10-07 | 2017-10-17 | Praxair Technology, Inc. | Composite oxygen ion transport membrane |
US10441922B2 (en) | 2015-06-29 | 2019-10-15 | Praxair Technology, Inc. | Dual function composite oxygen transport membrane |
US10118823B2 (en) | 2015-12-15 | 2018-11-06 | Praxair Technology, Inc. | Method of thermally-stabilizing an oxygen transport membrane-based reforming system |
US9938146B2 (en) | 2015-12-28 | 2018-04-10 | Praxair Technology, Inc. | High aspect ratio catalytic reactor and catalyst inserts therefor |
KR102154420B1 (ko) | 2016-04-01 | 2020-09-10 | 프랙스에어 테크놀로지, 인코포레이티드 | 촉매-함유 산소 수송막 |
EP3797085A1 (de) | 2018-05-21 | 2021-03-31 | Praxair Technology, Inc. | Otm-synthesegaspaneel mit gasbeheiztem reformer |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3716446A1 (de) * | 1987-05-16 | 1988-12-01 | Dornier System Gmbh | Katalytisches dieselruss-filter |
KR100201748B1 (ko) * | 1990-05-28 | 1999-06-15 | 사또 다께오 | 배기가스로부터 질소산화물을 제거하는 방법 |
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 |
DE4105534C2 (de) * | 1991-02-22 | 1994-12-22 | Bayer Ag | Verwendung eines Katalysators zur Verringerung der Partikelmenge und/oder -größe im Dieselabgas |
US5330945A (en) * | 1991-04-08 | 1994-07-19 | General Motors Corporation | Catalyst for treatment of diesel exhaust particulate |
CA2094763A1 (en) * | 1992-08-05 | 1994-02-06 | William Hertl | System and method for removing hydrocarbons from gaseous mixtures |
DE4226111A1 (de) * | 1992-08-07 | 1994-02-10 | Bayer Ag | Verwendung eines Katalysators zur Verringerung der Partikelmenge und/oder -größe im Dieselabgas |
DE4226112B4 (de) * | 1992-08-07 | 2006-01-12 | Engelhard Corp. | Verwendung eines Katalysators zur Verringerung der Partikelmenge und/oder -größe im Dieselabgas |
US6171556B1 (en) * | 1992-11-12 | 2001-01-09 | Engelhard Corporation | Method and apparatus for treating an engine exhaust gas stream |
WO1994022564A1 (en) * | 1993-03-29 | 1994-10-13 | Engelhard Corporation | Improved zeolite-containing oxidation catalyst and method of use |
DE4326121C2 (de) * | 1993-08-04 | 1995-05-04 | Degussa | Verfahren zum Schutz von Katalysatoren für die Reinigung der Abgase von Verbrennungskraftmaschinen vor Katalysatorgiften |
JP3526084B2 (ja) * | 1993-12-28 | 2004-05-10 | 日本碍子株式会社 | 排ガス浄化用吸着・触媒体、吸着体、排ガス浄化システム及び排ガス浄化方法 |
-
1995
- 1995-12-18 US US08/576,423 patent/US5804155A/en not_active Expired - Lifetime
-
1996
- 1996-10-04 WO PCT/US1996/015992 patent/WO1997022404A1/en not_active Application Discontinuation
- 1996-10-04 JP JP52276697A patent/JP3942636B2/ja not_active Expired - Fee Related
- 1996-10-04 KR KR1019980704571A patent/KR20000064436A/ko not_active Application Discontinuation
- 1996-10-04 DE DE19681688T patent/DE19681688T1/de not_active Withdrawn
- 1996-10-04 BR BR9612062A patent/BR9612062A/pt not_active Application Discontinuation
- 1996-10-04 AU AU73923/96A patent/AU7392396A/en not_active Abandoned
- 1996-10-11 ZA ZA9608629A patent/ZA968629B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ZA968629B (en) | 1997-08-26 |
US5804155A (en) | 1998-09-08 |
KR20000064436A (ko) | 2000-11-06 |
BR9612062A (pt) | 1999-02-23 |
JP3942636B2 (ja) | 2007-07-11 |
JP2000502282A (ja) | 2000-02-29 |
WO1997022404A1 (en) | 1997-06-26 |
AU7392396A (en) | 1997-07-14 |
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