BRPI0619944B8 - método para preparar um catalisador de zeólito promovido por metal, catalisador de zeólito, e, método para reduzir nox em uma corrente de gás de exaustão ou gás combustível - Google Patents

método para preparar um catalisador de zeólito promovido por metal, catalisador de zeólito, e, método para reduzir nox em uma corrente de gás de exaustão ou gás combustível

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Publication number
BRPI0619944B8
BRPI0619944B8 BRPI0619944A BRPI0619944A BRPI0619944B8 BR PI0619944 B8 BRPI0619944 B8 BR PI0619944B8 BR PI0619944 A BRPI0619944 A BR PI0619944A BR PI0619944 A BRPI0619944 A BR PI0619944A BR PI0619944 B8 BRPI0619944 B8 BR PI0619944B8
Authority
BR
Brazil
Prior art keywords
zeolite catalyst
metal
preparing
catalyst
promoted
Prior art date
Application number
BRPI0619944A
Other languages
English (en)
Inventor
Moini Ahmand
Steven Koermer Gerald
Bull Ivor
Allan Patchett Joseph
Roth Stan
Michael Jaglowski William
Original Assignee
Basf Catalysts Llc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Basf Catalysts Llc filed Critical Basf Catalysts Llc
Publication of BRPI0619944A2 publication Critical patent/BRPI0619944A2/pt
Publication of BRPI0619944B1 publication Critical patent/BRPI0619944B1/pt
Publication of BRPI0619944B8 publication Critical patent/BRPI0619944B8/pt

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    • 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
    • B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
    • B01J29/10—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y containing iron group metals, noble metals or copper
    • B01J29/14—Iron group metals or copper
    • 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
    • B01J29/061—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing metallic elements added to the 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
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    • B01D—SEPARATION
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    • 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
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    • B01J29/076—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
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    • B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
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    • B01J29/42—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing iron group metals, noble metals or copper
    • B01J29/46—Iron group metals or copper
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    • B01J29/7007—Zeolite Beta
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/7015—CHA-type, e.g. Chabazite, LZ-218
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B01J29/76—Iron group metals or copper
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    • B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
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    • B01J29/16—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J29/166—Y-type faujasite
    • 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
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)

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Abstract

método para preparar um catalisador de zeólito promovido por metal, catalisador de zeólito, e, método para reduzir nox em uma corrente de gás de exaustão ou gás combustível. a presente invenção diz respeito a um catalisador de zeólito promovido por metal inédito, a um método de produção do catalisador e a um método de usar o catalisador para a redução catalítica seletiva de nox com maior durabilidade hidrotérmica. o zeólito promovido por metal inédito é formado de um zeólito baixo sódio e é hidrotermicamente tratado depois da troca de lons de metais.
BRPI0619944A 2005-12-14 2006-12-14 método para preparar um catalisador de zeólito promovido por metal, catalisador de zeólito, e, método para reduzir nox em uma corrente de gás de exaustão ou gás combustível BRPI0619944B8 (pt)

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US75026105P 2005-12-14 2005-12-14
US60/750261 2005-12-14
US00000000 2005-12-14
US11/639,182 US7704475B2 (en) 2005-12-14 2006-12-14 Zeolite catalyst with improved NOx reduction in SCR
PCT/US2006/047711 WO2007070639A2 (en) 2005-12-14 2006-12-14 Zeolite catalyst with improved nox reduction in scr

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BRPI0619944B1 BRPI0619944B1 (pt) 2018-02-27
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Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7276351B2 (en) 2003-09-10 2007-10-02 Seahorse Bioscience Method and device for measuring multiple physiological properties of cells
US8658349B2 (en) 2006-07-13 2014-02-25 Seahorse Bioscience Cell analysis apparatus and method
US7378069B2 (en) * 2004-07-27 2008-05-27 Los Alamos National Security, Llc Catalyst and method for reduction of nitrogen oxides
JP5261189B2 (ja) * 2005-12-14 2013-08-14 ビーエーエスエフ コーポレーション Ｎｏｘ選択的触媒還元効率の改善されたゼオライト触媒
EP2517777A3 (en) * 2007-04-26 2013-01-09 Johnson Matthey Public Limited Company Transition metal/cha-zeolite scr catalyst
JP5228064B2 (ja) * 2008-01-28 2013-07-03 エクソンモービル・ケミカル・パテンツ・インク メタンからの芳香族化合物の製造
US7695703B2 (en) * 2008-02-01 2010-04-13 Siemens Energy, Inc. High temperature catalyst and process for selective catalytic reduction of NOx in exhaust gases of fossil fuel combustion
RU2514915C2 (ru) * 2008-02-21 2014-05-10 Эксонмобил Кемикэл Пейтентс Инк. Получение ароматических соединений из метана
EP3778484A1 (en) 2008-05-21 2021-02-17 Basf Se Process for the direct synthesis of cu containing zeolites having cha structure
US10583424B2 (en) * 2008-11-06 2020-03-10 Basf Corporation Chabazite zeolite catalysts having low silica to alumina ratios
PL2382031T5 (pl) * 2008-12-24 2023-04-11 Basf Corporation Układy i sposoby obróbki spalin z katalizowanym SCR filtrem i katalizatorem SCR za nim
KR101091705B1 (ko) * 2009-03-24 2011-12-08 한국에너지기술연구원 암모니아 환원제에 의한 아산화질소 단독 혹은 아산화질소와 일산화질소의 동시 저감을 위한 철이온이 담지된 제올라이트 촉매의 제조방법과 그 촉매 그리고 이를이용한 암모니아 환원제에 의한 아산화질소 단독 혹은 아산화질소와 일산화질소의 동시 저감방법
US20100296992A1 (en) * 2009-05-22 2010-11-25 Yi Jiang Honeycomb Catalyst And Catalytic Reduction Method
GB0909527D0 (en) * 2009-06-03 2009-07-15 Univ Manchester Modified zeolites and their use in the recycling of plastics waste
EP2308596B1 (en) * 2009-10-07 2016-09-21 Ford Global Technologies, LLC Cu/zeolite SCR catalyst for NOx reduction in exhaust gases and manufacture method thereof
EP2377613B1 (en) 2009-12-18 2014-10-15 JGC Catalysts and Chemicals Ltd. Metal-supported crystalline silica aluminophosphate catalyst and process for producing the same
CZ301937B6 (cs) 2010-02-05 2010-08-04 Výzkumný ústav anorganické chemie, a. s. Zpusob výroby zeolitu pentasilové struktury s rízenou distribucí hliníkových atomu ve skeletu
JP5902682B2 (ja) * 2010-07-15 2016-04-13 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ ＮＯｘの選択的還元用の銅含有ＺＳＭ−３４、ＯＦＦ及び／又はＥＲＩゼオライト系材料
US9221015B2 (en) * 2010-07-15 2015-12-29 Basf Se Copper containing ZSM-34, OFF and/or ERI zeolitic material for selective reduction of NOx
JP2013533804A (ja) * 2010-07-15 2013-08-29 ビーエーエスエフ ソシエタス・ヨーロピア ＮＯｘの選択的還元用の銅含有ＺＳＭ−３４、ＯＦＦ及び／又はＥＲＩゼオライト系材料
US9289756B2 (en) * 2010-07-15 2016-03-22 Basf Se Copper containing ZSM-34, OFF and/or ERI zeolitic material for selective reduction of NOx
KR20130127427A (ko) 2010-07-15 2013-11-22 바스프 에스이 질소 산화물의 선택적인 환원을 위한 구리 함유 zsm-34, 오프레타이트 및/또는 에리오나이트 제올라이트 물질
US20120014866A1 (en) * 2010-07-15 2012-01-19 Ivor Bull Copper Containing ZSM-34, OFF And/Or ERI Zeolitic Material For Selective Reduction Of NOx
US8987162B2 (en) * 2010-08-13 2015-03-24 Ut-Battelle, Llc Hydrothermally stable, low-temperature NOx reduction NH3-SCR catalyst
CA2809440C (en) * 2010-08-27 2018-01-23 Technical University Of Denmark Mordenite - type zeolite scr catalysts with iron or copper
BR112013004709A2 (pt) 2010-09-03 2016-05-10 Univ Danmarks Tekniske "catalisador ativado por ácido heteropoli para a scr de nox com amônia"
US20110165040A1 (en) * 2010-11-03 2011-07-07 Ford Global Technologies, Llc Device for remediating emissions and method of manufacture
FR2970259B1 (fr) * 2011-01-07 2014-07-18 IFP Energies Nouvelles Procede d'hydrocraquage utilisant un catalyseur zeolithique contenant deux fonctions hydrogenantes distinctes.
CN102335601B (zh) * 2011-07-21 2013-04-03 上海大学 具有介孔泡沫结构的scr脱硝催化剂及制备方法
US8697018B2 (en) * 2011-08-05 2014-04-15 Chevron U.S.A. Inc. Reduction of oxides of nitrogen in a gas stream using molecular sieve SSZ-25
FR2982773A1 (fr) 2011-11-22 2013-05-24 Sorin Crm Sas Dispositif medical de type defibrillateur/cardioverteur implantable avec seuil de detection ventriculaire ajustable dynamiquement
EP3425181B1 (en) * 2012-04-27 2019-10-30 Umicore Ag & Co. Kg Method and system for the purification of exhaust gas from an internal combustion engine
CN104471052B (zh) 2012-11-13 2017-06-13 海马生物科学公司 用于基于控制介质流动的三维组织测量的装置和方法
US9724680B2 (en) * 2012-12-07 2017-08-08 Exxonmobil Research And Engineering Company Fiber reinforced zeolite extrudates with enhanced physical properties
US9919269B2 (en) 2013-03-15 2018-03-20 3D Clean Coal Emissions Stack Llc Clean coal stack
US8821818B1 (en) 2013-03-15 2014-09-02 Three D Stack, LLC Cleaning stack gas
CA2914389C (en) 2013-03-15 2019-11-26 3D Clean Coal Emissions Stack, Llc Cleaning stack gas
CN103239977A (zh) * 2013-05-14 2013-08-14 成都信息工程学院 一种铜氨配合物络合吸收脱硝方法
RU2702988C2 (ru) * 2014-02-28 2019-10-15 Джонсон Мэтти Паблик Лимитед Компани Катализаторы scr с улучшенной низкотемпературной эффективностью и способы их создания и использования
CN106999926A (zh) 2014-06-02 2017-08-01 安捷伦科技有限公司 用于分析生物样本的单列微板系统和载体
WO2016046296A1 (en) * 2014-09-26 2016-03-31 Total Research & Technology Feluy Modified crystalline aluminosilicate for dehydration of alcohols
EP3411131B1 (en) * 2016-02-01 2020-03-11 Umicore AG & Co. KG Method for the removal of nitrogen oxides from exhaust gas by selective catalytic reduction in presence of an scr catalyst comprising a fe-aei zeolithic material essentially free of alkali metal
MX2018013975A (es) 2016-05-14 2019-10-09 3 D Clean Coal Emissions Stack Llc Limpieza de chimenea de gas.
KR101795404B1 (ko) * 2016-05-18 2017-11-08 현대자동차 주식회사 촉매 및 촉매의 제조 방법
WO2018019983A1 (en) * 2016-07-29 2018-02-01 Basf Se Process for the preparation of a zeolitic material having a fau-type framework structure and use thereof in the selective catalytic reduction of nox
WO2018025244A1 (en) * 2016-08-05 2018-02-08 Basf Corporation Selective catalytic reduction articles and systems
JP6775037B2 (ja) 2017-02-20 2020-10-28 株式会社キャタラー 排ガス浄化用触媒
GB201705279D0 (en) * 2017-03-31 2017-05-17 Johnson Matthey Plc Selective catalytic reduction catalyst
WO2018185663A1 (en) 2017-04-04 2018-10-11 Basf Corporation On-board vehicle ammonia and hydrogen generation
CN110678632B (zh) 2017-04-04 2022-10-04 巴斯夫公司 氢在车上产生和在排气料流中的使用
WO2018185655A1 (en) 2017-04-04 2018-10-11 Basf Corporation Ammonia generation system for nox emission control
JP7295027B2 (ja) 2017-04-04 2023-06-20 ビーエーエスエフ コーポレーション 水素支援型の統合された排ガス調整システム
JP2020515765A (ja) 2017-04-04 2020-05-28 ビーエーエスエフ コーポレーション 触媒的汚染除去のための水素還元剤
JP2020515766A (ja) 2017-04-04 2020-05-28 ビーエーエスエフ コーポレーション 統合された排出制御システム
KR101922614B1 (ko) * 2017-05-24 2018-11-27 재단법인 탄소순환형 차세대 바이오매스 생산전환 기술연구단 위계다공성 베타 제올라이트 기반 수첨분해반응 촉매 및 이의 제조방법 및 상기 수첨분해반응 촉매를 활용한 트리글리세라이드를 포함하는 바이오매스로부터 바이오항공유 생산방법
WO2019049069A1 (en) * 2017-09-07 2019-03-14 Basf Corporation ZEOLITE WITH REDUCED CONTENT IN ALUMINUM EXTRA-CHARPENTE
CN108404906B (zh) * 2018-04-17 2020-12-25 常州大学 一种纳米棒状锰铬复合氧化物低温脱硝催化剂及制备方法
JP2021533980A (ja) * 2018-08-31 2021-12-09 ジョンソン、マッセイ、パブリック、リミテッド、カンパニーJohnson Matthey Public Limited Company 選択的触媒還元のための二元金属Ｃｕ／Ｍｎ触媒
CN113795331A (zh) * 2019-05-09 2021-12-14 巴斯夫公司 包含碳酸铜的选择性催化还原催化剂
CN110467731B (zh) * 2019-07-25 2021-03-05 北京科技大学 一种稳定超薄介孔金属有机框架材料的制备方法
CN110404580A (zh) * 2019-08-08 2019-11-05 无锡威孚环保催化剂有限公司 稀土金属改性的分子筛催化剂及其制备方法
WO2021041024A1 (en) * 2019-08-29 2021-03-04 Basf Corporation Iron-promoted zeolite and catalyst made therefrom
CN110876957B (zh) * 2019-10-31 2021-01-22 山东国瓷功能材料股份有限公司 分子筛Cu-SSZ-13、其合成方法、催化剂和用途
CN113336239A (zh) * 2021-05-26 2021-09-03 常州工学院 一种Fe-ECR-1沸石及其制备方法和应用
EP4098359A1 (en) * 2021-06-01 2022-12-07 Paul Scherrer Institut Isolated metal species in metal-zeolite catalytic material for low temperature scr of nox with nh3
CN114247465A (zh) * 2021-11-24 2022-03-29 中煤科工集团西安研究院有限公司 一种宽温无钒脱硝催化剂、制备方法及其应用
CN114950576B (zh) * 2022-06-20 2023-08-22 济南大学 一种提高金属基小孔分子筛水热稳定性的方法及所得产品和应用

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3895094A (en) 1974-01-28 1975-07-15 Gulf Oil Corp Process for selective reduction of oxides of nitrogen
JPS5850777B2 (ja) 1975-03-28 1983-11-12 トウアネンリヨウコウギヨウ カブシキガイシヤ チツソサンカブツノカンゲンヨウシヨクバイ
US4297328A (en) 1979-09-28 1981-10-27 Union Carbide Corporation Three-way catalytic process for gaseous streams
DE3513567A1 (de) 1985-04-16 1986-10-16 Bayer Ag, 5090 Leverkusen Verfahren zur reduzierung von stickoxiden
US4735930A (en) 1986-02-18 1988-04-05 Norton Company Catalyst for the reduction of oxides of nitrogen
JPH0611381B2 (ja) 1986-10-17 1994-02-16 株式会社豊田中央研究所 排ガス浄化方法
US5160033A (en) * 1988-03-30 1992-11-03 Uop Octane gasoline catalyst and process using same in a hydrocracking process
DE3830045C2 (de) 1988-09-03 1993-09-30 Bayer Ag Verfahren zur Reduktion von in Abgasen enthaltenen Stickoxiden mittels eines zeolithhaltigen Katalysators
US4961917A (en) * 1989-04-20 1990-10-09 Engelhard Corporation Method for reduction of nitrogen oxides with ammonia using promoted zeolite catalysts
FR2649622B1 (fr) 1989-07-12 1993-12-24 Paroisse Ste Chimique Grande Composition catalytique a base de zeolithe y, utilisable dans le traitement d'effluents oxygenes contenant des nox, sa preparation et son application
CA2024154C (en) * 1989-08-31 1995-02-14 Senshi Kasahara Catalyst for reducing nitrogen oxides from exhaust gas
JPH07106300B2 (ja) 1989-12-08 1995-11-15 財団法人産業創造研究所 燃焼排ガス中の窒素酸化物除去法
DE4003515A1 (de) 1990-02-06 1991-08-08 Bayer Ag Verfahren zur reduktion von in abgasen enthaltenen stickoxiden
US5143707A (en) 1991-07-24 1992-09-01 Mobil Oil Corporation Selective catalytic reduction (SCR) of nitrogen oxides
JP3271802B2 (ja) * 1992-10-16 2002-04-08 出光興産株式会社 排ガス浄化用触媒及びこれを使用した排ガスの浄化方法
JPH06126187A (ja) * 1992-10-20 1994-05-10 Tosoh Corp 窒素酸化物の除去方法
KR950704598A (ko) 1992-11-19 1995-11-20 스티븐 아이. 밀러 엔진 배기 가스 스트림 처리 방법 및 장치(Method and Apparatus for Treating an Engine Exhaust Gas Stream)
US5417949A (en) 1993-08-25 1995-05-23 Mobil Oil Corporation NOx abatement process
DE4413359A1 (de) * 1994-04-18 1995-10-19 Ftu Gmbh Forschung Und Tech En Mittel und Verfahren zur Reinigung von Gasen und Abgasen von NOx
US5589147A (en) * 1994-07-07 1996-12-31 Mobil Oil Corporation Catalytic system for the reducton of nitrogen oxides
US5520895A (en) * 1994-07-07 1996-05-28 Mobil Oil Corporation Method for the reduction of nitrogen oxides using iron impregnated zeolites
US5482692A (en) * 1994-07-07 1996-01-09 Mobil Oil Corporation Selective catalytic reduction of nitrogen oxides using a ferrocene impregnated zeolite catalyst
US5776324A (en) 1996-05-17 1998-07-07 Encelle, Inc. Electrochemical biosensors
FR2770418B1 (fr) 1997-11-04 1999-12-03 Grande Paroisse Sa Procede pour l'elimination dans le gaz des oxydes d'azote nox par reduction catalytique selective (scr) a l'ammoniac sur catalyseurs zeolitiques ne provoquant pas la formation de protoxyde d'azote
US6689709B1 (en) * 2000-11-15 2004-02-10 Engelhard Corporation Hydrothermally stable metal promoted zeolite beta for NOx reduction
DE10112444A1 (de) 2001-03-13 2002-10-02 Krupp Uhde Gmbh Verfahren zur Verringerung des Gehalts von N¶2¶O und NO¶x¶ in Gasen
US6914026B2 (en) 2001-09-07 2005-07-05 Engelhard Corporation Hydrothermally stable metal promoted zeolite beta for NOx reduction
GB0214968D0 (en) 2002-06-28 2002-08-07 Johnson Matthey Plc Zeolite-based NH SCR catalyst
US6864202B2 (en) * 2002-09-16 2005-03-08 Indian Oil Corporation Limited Process for preparing sodium silicate alkali solution depleted of sodium salt and enriched in silica
WO2004047960A1 (en) * 2002-11-25 2004-06-10 Yara International Asa Method for preparation and activation of multimetallic zeolite catalysts, a catalyst composition and application for n2o abatement
JP5261189B2 (ja) 2005-12-14 2013-08-14 ビーエーエスエフ コーポレーション Ｎｏｘ選択的触媒還元効率の改善されたゼオライト触媒

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US7968068B2 (en) 2011-06-28
BRPI0619944B1 (pt) 2018-02-27
EP1973633A2 (en) 2008-10-01
US20100172814A1 (en) 2010-07-08
US7704475B2 (en) 2010-04-27
KR101394774B1 (ko) 2014-05-15
JP2009519817A (ja) 2009-05-21
WO2007070639A2 (en) 2007-06-21
WO2007070639A8 (en) 2007-08-02
WO2007070639A3 (en) 2007-09-20
KR20080081031A (ko) 2008-09-05
BRPI0619944A2 (pt) 2011-10-25
RU2008128363A (ru) 2010-01-20
US20070134146A1 (en) 2007-06-14
CN101336129A (zh) 2008-12-31
JP5261189B2 (ja) 2013-08-14

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