ATE125726T1 - Verfahren zur reduktion von stickoxiden mit ammoniak unter verwendung von dotierten zeolithkatalysatoren. - Google Patents

Verfahren zur reduktion von stickoxiden mit ammoniak unter verwendung von dotierten zeolithkatalysatoren.

Info

Publication number
ATE125726T1
ATE125726T1 AT90303884T AT90303884T ATE125726T1 AT E125726 T1 ATE125726 T1 AT E125726T1 AT 90303884 T AT90303884 T AT 90303884T AT 90303884 T AT90303884 T AT 90303884T AT E125726 T1 ATE125726 T1 AT E125726T1
Authority
AT
Austria
Prior art keywords
ammonia
nitrogen oxides
oxygen
zeolite
excess
Prior art date
Application number
AT90303884T
Other languages
English (en)
Inventor
John W Byrne
Original Assignee
Engelhard Corp
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 Engelhard Corp filed Critical Engelhard Corp
Application granted granted Critical
Publication of ATE125726T1 publication Critical patent/ATE125726T1/de

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
    • 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
    • B01J29/40—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
    • 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
    • B01J29/072—Iron group metals or copper
    • 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
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2062—Ammonia
    • 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
    • B01D2255/20738—Iron
    • 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
    • B01D2255/20761—Copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/50—Zeolites

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (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)
AT90303884T 1989-04-20 1990-04-10 Verfahren zur reduktion von stickoxiden mit ammoniak unter verwendung von dotierten zeolithkatalysatoren. ATE125726T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/341,405 US4961917A (en) 1989-04-20 1989-04-20 Method for reduction of nitrogen oxides with ammonia using promoted zeolite catalysts

Publications (1)

Publication Number Publication Date
ATE125726T1 true ATE125726T1 (de) 1995-08-15

Family

ID=23337413

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90303884T ATE125726T1 (de) 1989-04-20 1990-04-10 Verfahren zur reduktion von stickoxiden mit ammoniak unter verwendung von dotierten zeolithkatalysatoren.

Country Status (10)

Country Link
US (1) US4961917A (de)
EP (1) EP0393917B1 (de)
JP (1) JP2904862B2 (de)
KR (1) KR900015816A (de)
AT (1) ATE125726T1 (de)
CA (1) CA2012035C (de)
DE (1) DE69021249T2 (de)
DK (1) DK0393917T3 (de)
ES (1) ES2075152T3 (de)
GR (1) GR3017625T3 (de)

Families Citing this family (207)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5024981A (en) * 1989-04-20 1991-06-18 Engelhard Corporation Staged metal-promoted zeolite catalysts and method for catalytic reduction of nitrogen oxides using the same
JP2651385B2 (ja) * 1989-10-17 1997-09-10 三菱重工業株式会社 脱硝方法
US5329057A (en) * 1991-04-19 1994-07-12 The Dow Chemical Company Process for the cyclodimerization of 1,3-butadienes to 4-vinylcyclohexenes
US5223237A (en) * 1992-01-03 1993-06-29 Lehigh University Process for removing sulfur oxides from a gas stream
US5364439A (en) * 1992-04-29 1994-11-15 Union Oil Company Of California Method to treat geothermal fluid streams
US5316661A (en) * 1992-07-08 1994-05-31 Mobil Oil Corporation Processes for converting feedstock organic compounds
US6171556B1 (en) 1992-11-12 2001-01-09 Engelhard Corporation Method and apparatus for treating an engine exhaust gas stream
US6248684B1 (en) * 1992-11-19 2001-06-19 Englehard Corporation Zeolite-containing oxidation catalyst and method of use
US5417949A (en) * 1993-08-25 1995-05-23 Mobil Oil Corporation NOx abatement process
US5430000A (en) * 1993-08-25 1995-07-04 Mobil Oil Corporation Method for preparing titania-bound zeolite catalysts
US5589147A (en) * 1994-07-07 1996-12-31 Mobil Oil Corporation Catalytic system for the reducton of nitrogen oxides
US5552129A (en) * 1994-07-07 1996-09-03 Mobil Oil Corporation Catalytic system for the reduction 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
US5451387A (en) * 1994-07-07 1995-09-19 Mobil Oil Corporation Selective catalytic reduction of nitrogen oxides using an iron impregnated zeolite catalyst
US5676912A (en) * 1995-02-22 1997-10-14 Mobil Oil Corporation Process for exhaust gas NOx, CO, and hydrocarbon removal
NO950854L (no) * 1995-03-03 1996-09-04 Norsk Hydro As Selektiv katalytisk reduksjon av nitrogenoksider
SE9603796L (sv) * 1996-10-16 1998-04-17 Katator Ab Sätt och anordning vid bearbetning av kvävebaserade gaser
GB9802504D0 (en) 1998-02-06 1998-04-01 Johnson Matthey Plc Improvements in emission control
US8833062B1 (en) 2013-03-15 2014-09-16 Daimier Ag Catalytic reduction of NOx
US20020014071A1 (en) * 1998-10-01 2002-02-07 Mari Lou Balmer Catalytic plasma reduction of nox
US6176078B1 (en) 1998-11-13 2001-01-23 Engelhard Corporation Plasma fuel processing for NOx control of lean burn engines
US6125629A (en) * 1998-11-13 2000-10-03 Engelhard Corporation Staged reductant injection for improved NOx reduction
DE19854502A1 (de) 1998-11-25 2000-05-31 Siemens Ag Katalysatorkörper und Verfahren zum Abbau von Stickoxiden
FR2789911B1 (fr) 1999-02-18 2001-05-04 Grande Paroisse Sa Procede pour abattre simultanement les oxydes nitriques et le protoxyde d'azote dans les gaz qui en contiennent
US6685897B1 (en) * 2000-01-06 2004-02-03 The Regents Of The University Of California Highly-basic large-pore zeolite catalysts for NOx reduction at low temperatures
US6311484B1 (en) 2000-02-22 2001-11-06 Engelhard Corporation System for reducing NOx transient emission
DE10020100A1 (de) † 2000-04-22 2001-10-31 Dmc2 Degussa Metals Catalysts Verfahren und Katalysator zur Reduktion von Stickoxiden
US6826906B2 (en) * 2000-08-15 2004-12-07 Engelhard Corporation Exhaust system for enhanced reduction of nitrogen oxides and particulates from diesel engines
US6415602B1 (en) 2000-10-16 2002-07-09 Engelhard Corporation Control system for mobile NOx SCR applications
US6689709B1 (en) 2000-11-15 2004-02-10 Engelhard Corporation Hydrothermally stable metal promoted zeolite beta for NOx reduction
US6821490B2 (en) * 2001-02-26 2004-11-23 Abb Lummus Global Inc. Parallel flow gas phase reactor and method for reducing the nitrogen oxide content of a gas
US6706246B2 (en) 2001-02-26 2004-03-16 Abb Lummus Global Inc. System and method for the selective catalytic reduction of nitrogen oxide in a gas stream
US6663839B2 (en) 2001-02-26 2003-12-16 Abb Lummus Global Inc. Radial flow gas phase reactor and method for reducing the nitrogen oxide content of a gas
US20020159923A1 (en) * 2001-02-26 2002-10-31 Platvoet Erwin M.J. Gas phase reactor and process for reducing nitrogen oxide in a gas stream
US7438878B2 (en) 2001-03-12 2008-10-21 Basf Catalysts Llc Selective catalytic reduction of N2O
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
SE0101716D0 (sv) * 2001-05-16 2001-05-16 Catator Ab Method and device for processing nitrogen-based gases
US6759358B2 (en) * 2001-08-21 2004-07-06 Sud-Chemie Inc. Method for washcoating a catalytic material onto a monolithic structure
US6914026B2 (en) 2001-09-07 2005-07-05 Engelhard Corporation Hydrothermally stable metal promoted zeolite beta for NOx reduction
DE10215605A1 (de) 2002-04-09 2003-10-30 Uhde Gmbh Entstickungsverfahren
US7049261B2 (en) * 2003-02-27 2006-05-23 General Motors Corporation Zeolite catalyst and preparation process for NOx reduction
US7229597B2 (en) 2003-08-05 2007-06-12 Basfd Catalysts Llc Catalyzed SCR filter and emission treatment system
JPWO2005018807A1 (ja) * 2003-08-26 2006-10-19 ズードケミー触媒株式会社 アンモニア分解触媒および該触媒を用いたアンモニア分解方法
US7490464B2 (en) * 2003-11-04 2009-02-17 Basf Catalysts Llc Emissions treatment system with NSR and SCR catalysts
JP5354903B2 (ja) * 2004-07-27 2013-11-27 ロス アラモス ナショナル セキュリティ，エルエルシー 触媒および窒素酸化物の還元方法
US7378069B2 (en) * 2004-07-27 2008-05-27 Los Alamos National Security, Llc Catalyst and method for reduction of nitrogen oxides
JP4745968B2 (ja) * 2004-07-29 2011-08-10 エヌ・イーケムキャット株式会社 低温特性に優れる脱硝触媒
US7481983B2 (en) 2004-08-23 2009-01-27 Basf Catalysts Llc Zone coated catalyst to simultaneously reduce NOx and unreacted ammonia
US7393511B2 (en) * 2005-02-16 2008-07-01 Basf Catalysts Llc Ammonia oxidation catalyst for the coal fired utilities
US7585490B2 (en) * 2005-04-15 2009-09-08 University Of Iowa Research Foundation Synthesis and use of nanocrystalline zeolites
KR100765413B1 (ko) * 2005-07-06 2007-10-09 희성촉매 주식회사 암모니아 산화촉매 및 이를 이용한 슬립 암모니아 또는폐암모니아 처리장치
WO2007070639A2 (en) * 2005-12-14 2007-06-21 Basf Catalysts Llc Zeolite catalyst with improved nox reduction in scr
KR100836059B1 (ko) * 2006-03-31 2008-06-09 주식회사 엘지화학 점토를 포함하는 세라믹 필터 및 그 제조 방법
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
DE102006031724B3 (de) * 2006-07-08 2008-04-30 Umicore Ag & Co. Kg Strukturierter SCR-Katalysator zur Reduktion von Stickoxiden im Abgas von Magermotoren unter Verwendung von Ammoniak als Reduktionsmittel
KR101362685B1 (ko) * 2006-07-08 2014-02-13 우미코레 아게 운트 코 카게 환원제로서 암모니아를 사용하여 희박 혼합 기관의 배기 가스로부터의 질소 산화물을 환원시키기 위한 구조화된 ｓｃｒ 촉매
JP4294041B2 (ja) * 2006-07-31 2009-07-08 本田技研工業株式会社 ＮＯｘ浄化触媒
DE102006037314A1 (de) * 2006-08-08 2008-02-14 Süd-Chemie AG Verwendung eines Katalysators auf Basis von Zeolithen bei der Umsetzung von Oxygenaten zu niederen Olefinen sowie Verfahren hierzu
GB0617070D0 (en) 2006-08-30 2006-10-11 Johnson Matthey Plc Low Temperature Hydrocarbon SCR
JP5082361B2 (ja) 2006-09-27 2012-11-28 東ソー株式会社 ＳＣＲ触媒用β型ゼオライト及びそれを用いた窒素酸化物の浄化方法
KR101434936B1 (ko) * 2006-10-23 2014-08-27 우미코레 아게 운트 코 카게 선택적 촉매 환원용 바나듐 비함유 촉매 및 이의 제조방법
JP4957176B2 (ja) * 2006-10-24 2012-06-20 東ソー株式会社 窒素酸化物浄化触媒及び窒素酸化物浄化方法
US8193114B2 (en) * 2006-11-15 2012-06-05 Basf Catalysts Llc Catalysts for dual oxidation of ammonia and carbon monoxide with low to no NOx formation
US20080127638A1 (en) * 2006-12-01 2008-06-05 Marius Vaarkamp Emission Treatment Systems and Methods
US8800268B2 (en) * 2006-12-01 2014-08-12 Basf Corporation Zone coated filter, emission treatment systems and methods
KR101475681B1 (ko) * 2006-12-23 2014-12-30 알즈켐 아게 차량의 배기 가스 중의 질소 산화물의 선택적 촉매 환원을 위한 구아니디늄 포르메이트 수용액의 용도
US20080317652A1 (en) * 2007-01-09 2008-12-25 Robert Bono Emission control system internal to a boiler
US7767175B2 (en) * 2007-01-09 2010-08-03 Catalytic Solutions, Inc. Ammonia SCR catalyst and method of using the catalyst
US7943097B2 (en) * 2007-01-09 2011-05-17 Catalytic Solutions, Inc. Reactor system for reducing NOx emissions from boilers
US8802582B2 (en) * 2007-01-09 2014-08-12 Catalytic Solutions, Inc. High temperature ammonia SCR catalyst and method of using the catalyst
US7527776B2 (en) * 2007-01-09 2009-05-05 Catalytic Solutions, Inc. Ammonia SCR catalyst and method of using the catalyst
JP5552318B2 (ja) * 2007-01-31 2014-07-16 ビーエーエスエフ コーポレーション 多孔性壁ハニカムを含むガス触媒
EP1961933B1 (de) * 2007-02-23 2010-04-14 Umicore AG & Co. KG Katalytisch aktiviertes Dieselpartikelfilter mit Ammoniak-Sperrwirkung
JP5683111B2 (ja) * 2007-02-27 2015-03-11 ビーエーエスエフ コーポレーション 銅ｃｈａゼオライト触媒
US7998423B2 (en) 2007-02-27 2011-08-16 Basf Corporation SCR on low thermal mass filter substrates
PL2117702T3 (pl) * 2007-02-27 2021-05-04 Basf Corporation Katalizatory dwufunkcyjne do selektywnego utleniania amoniaku
US10384162B2 (en) * 2007-03-26 2019-08-20 Pq Corporation High silica chabazite for selective catalytic reduction, methods of making and using same
MY146586A (en) 2007-03-26 2012-08-30 Pq Corp Novel microporous crystalline material comprising a molecular sieve or zeolite having an 8-ring pore opening structure and methods of making and using same
DK2517778T4 (da) 2007-04-26 2021-03-08 Johnson Matthey Plc Overgangsmetal/aei-zeolit-scr-katalysator
GB2450484A (en) 2007-06-25 2008-12-31 Johnson Matthey Plc Non-Zeolite base metal catalyst
US8541331B2 (en) 2007-08-13 2013-09-24 Pq Corporation Iron-containing aluminosilicate zeolites and methods of making and using same
KR101496916B1 (ko) * 2007-10-29 2015-02-27 유미코어 니폰 쇼쿠바이 가부시키가이샤 질소 산화물 제거용 촉매 및 그것을 사용한 질소 산화물 제거 방법
US9863297B2 (en) * 2007-12-12 2018-01-09 Basf Corporation Emission treatment system
US9993771B2 (en) 2007-12-12 2018-06-12 Basf Corporation Emission treatment catalysts, systems and methods
JP5309936B2 (ja) * 2007-12-18 2013-10-09 東ソー株式会社 窒素酸化物浄化触媒及び窒素酸化物浄化方法
US7976784B2 (en) 2007-12-18 2011-07-12 Basf Corporation Methods and systems including CO oxidation catalyst with low NO to NO2 conversion
KR101473007B1 (ko) 2007-12-18 2014-12-15 도소 가부시키가이샤 질소 산화물 정화 촉매 및 질소 산화물 정화 방법
US20090196812A1 (en) * 2008-01-31 2009-08-06 Basf Catalysts Llc Catalysts, Systems and Methods Utilizing Non-Zeolitic Metal-Containing Molecular Sieves Having the CHA Crystal Structure
KR101621983B1 (ko) 2008-02-05 2016-05-31 바스프 코포레이션 미립자 트랩을 갖는 가솔린 엔진 배출물 처리 시스템
KR100969378B1 (ko) * 2008-03-31 2010-07-09 현대자동차주식회사 배기 가스 정화 장치
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
EP2116293B1 (de) 2008-04-11 2010-03-17 Umicore AG & Co. KG Abgasreinigungssystem zur Behandlung von Motorenabgasen mittels SCR-Katalysator
EP2112339A1 (de) 2008-04-24 2009-10-28 Umicore AG & Co. KG Verfahren und Vorrichtung zur Reinigung von Abgasen eines Verbrennungsmotors
JP5886042B2 (ja) 2008-05-07 2016-03-16 ユミコア・アクチエンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフトＵｍｉｃｏｒｅ ＡＧ ＆ Ｃｏ．ＫＧ 分子ふるいをベースとするｓｃｒ触媒の使用下での炭化水素を含有する排気ガス中の窒素酸化物を減少する方法
US8220274B2 (en) * 2008-05-15 2012-07-17 Johnson Matthey Inc. Emission reduction method for use with a heat recovery steam generation system
EP2138681B1 (de) 2008-06-27 2019-03-27 Umicore AG & Co. KG Verfahren und Vorrichtung zur Reinigung von Dieselabgasen
DE102008048854B4 (de) 2008-09-25 2012-08-02 Umicore Ag & Co. Kg Regelungsstrategie für ein Katalysatorkonzept zur Abgasnachbehandlung mit mehreren Stickoxid-Speicherkatalysatoren
US10583424B2 (en) 2008-11-06 2020-03-10 Basf Corporation Chabazite zeolite catalysts having low silica to alumina ratios
ES2394978T3 (es) * 2008-12-01 2013-02-07 Vodafone Holding Gmbh Control de acceso para dispositivos M2M ("máquina o máquina") en una red de comunicaciones móviles
JP5659165B2 (ja) 2008-12-24 2015-01-28 ビーエーエスエフ コーポレーション 触媒ｓｃｒフィルタ及び下流ｓｃｒ触媒を用いるエミッション処理システム及び方法
US8544260B2 (en) * 2008-12-24 2013-10-01 Basf Corporation Emissions treatment systems and methods with catalyzed SCR filter and downstream SCR catalyst
WO2010077843A2 (en) * 2008-12-29 2010-07-08 Basf Catalysts Llc Oxidation catalyst with low co and hc light-off and systems and methods
US8252258B2 (en) * 2009-01-16 2012-08-28 Basf Corporation Diesel oxidation catalyst with layer structure for improved hydrocarbon conversion
US9440192B2 (en) 2009-01-16 2016-09-13 Basf Corporation Diesel oxidation catalyst and use thereof in diesel and advanced combustion diesel engine systems
US8211392B2 (en) * 2009-01-16 2012-07-03 Basf Corporation Diesel oxidation catalyst composite with layer structure for carbon monoxide and hydrocarbon conversion
US8329607B2 (en) * 2009-01-16 2012-12-11 Basf Corporation Layered diesel oxidation catalyst composites
GB0903262D0 (en) 2009-02-26 2009-04-08 Johnson Matthey Plc Filter
US8512657B2 (en) 2009-02-26 2013-08-20 Johnson Matthey Public Limited Company Method and system using a filter for treating exhaust gas having particulate matter
US9662611B2 (en) 2009-04-03 2017-05-30 Basf Corporation Emissions treatment system with ammonia-generating and SCR catalysts
US8637426B2 (en) * 2009-04-08 2014-01-28 Basf Corporation Zoned catalysts for diesel applications
WO2010124105A1 (en) * 2009-04-22 2010-10-28 Basf Corporation Partial filter substrates containing scr catalysts and emission treatment systems and methods of treating engine exhaust
US8246923B2 (en) * 2009-05-18 2012-08-21 Umicore Ag & Co. Kg High Pd content diesel oxidation catalysts with improved hydrothermal durability
EP2269733A1 (de) * 2009-06-08 2011-01-05 Basf Se Verfahren zur direkten Synthese von Cu-haltigem Silicoaluminiumphosphat (Cu-SAPO-34)
CN102548658B (zh) 2009-08-27 2016-01-20 东曹株式会社 高耐热水性scr催化剂及其制造方法
DE102010033688A1 (de) 2009-08-28 2011-03-03 Umicore Ag & Co. Kg Abgasnachbehandlungssystem mit katalytisch aktivem Wall-Flow-Filter mit Speicherfunktion vor Katalysator mit gleicher Speicherfunktion
BR112012004378A8 (pt) 2009-08-28 2016-10-04 Umicore Ag & Co Kg sistema de pós-tratamento de gás de escapamento com filtro de parede de fluxo cataliticamente ativo com função de armazenamento a montante de conversor catalítico com função de armazenamento idêntica
DE102009040352A1 (de) 2009-09-05 2011-03-17 Johnson Matthey Catalysts (Germany) Gmbh Verfahren zur Herstellung eines SCR aktiven Zeolith-Katalysators sowie SCR aktiver Zeolith-Katalysator
US20110064632A1 (en) * 2009-09-14 2011-03-17 Ford Global Technologies, Llc Staged Catalyst System and Method of Using the Same
US20110064633A1 (en) 2009-09-14 2011-03-17 Ford Global Technologies, Llc Multi-Functional Catalyst Block and Method of Using the Same
US8246922B2 (en) * 2009-10-02 2012-08-21 Basf Corporation Four-way diesel catalysts and methods of use
WO2011045252A1 (en) 2009-10-14 2011-04-21 Basf Se Copper containing levyne molecular sieve for selective reduction of nox
US8557203B2 (en) * 2009-11-03 2013-10-15 Umicore Ag & Co. Kg Architectural diesel oxidation catalyst for enhanced NO2 generator
WO2011061321A1 (en) 2009-11-20 2011-05-26 Basf Se Zoned catalyzed soot filter
US8293199B2 (en) 2009-12-18 2012-10-23 Basf Corporation Process for preparation of copper containing molecular sieves with the CHA structure, catalysts, systems and methods
US8293198B2 (en) 2009-12-18 2012-10-23 Basf Corporation Process of direct copper exchange into Na+-form of chabazite molecular sieve, and catalysts, systems and methods
RU2587078C2 (ru) * 2009-12-18 2016-06-10 Басф Се Железосодержащий цеолит, способ получения железосодержащих цеолитов и способ каталитического восстановления оксидов азота
EP2518017B1 (de) 2009-12-22 2019-07-24 Tosoh Corporation Neues metallsilikat und herstellungsverfahren dafür
US20130146469A1 (en) 2010-02-10 2013-06-13 Ut-Battelle, Llc Low Temperature Electrolytes for Solid Oxide Cells Having High Ionic Conductivity
CN102781544B (zh) 2010-02-23 2015-12-02 巴斯夫欧洲公司 改进的催化烟灰过滤器
US8529853B2 (en) 2010-03-26 2013-09-10 Umicore Ag & Co. Kg ZrOx, Ce-ZrOx, Ce-Zr-REOx as host matrices for redox active cations for low temperature, hydrothermally durable and poison resistant SCR catalysts
US8017097B1 (en) 2010-03-26 2011-09-13 Umicore Ag & Co. Kg ZrOx, Ce-ZrOx, Ce-Zr-REOx as host matrices for redox active cations for low temperature, hydrothermally durable and poison resistant SCR catalysts
DE102010014468B4 (de) 2010-04-09 2013-10-31 Umicore Ag & Co. Kg Verfahren zur Verminderung von Lachgas bei der Abgasnachbehandlung von Magermotoren
US8815189B2 (en) 2010-04-19 2014-08-26 Basf Corporation Gasoline engine emissions treatment systems having particulate filters
KR20130097076A (ko) 2010-04-20 2013-09-02 우미코레 아게 운트 코 카게 배기 가스 중의 질소 산화물을 선택적으로 촉매 환원시키기 위한 신규한 혼합된 산화물 물질
CN105312081B (zh) 2010-05-21 2020-09-15 Pq公司 用于NOx还原的新型含金属的沸石β
KR101846593B1 (ko) 2010-06-10 2018-04-06 바스프 에스이 탄화수소 전환 활성이 개선된 질소산화물 저장 촉매
US8734743B2 (en) 2010-06-10 2014-05-27 Basf Se NOx storage catalyst with improved hydrocarbon conversion activity
DE202010009938U1 (de) 2010-07-07 2010-10-14 Süd-Chemie AG Verwendung eines Zeolithen vom Typ BEA zur Minderung des N2O-Gehalts in sauerstoffreichen Abgasströmen
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
US8987161B2 (en) 2010-08-13 2015-03-24 Ut-Battelle, Llc Zeolite-based SCR catalysts and their use in diesel engine emission treatment
DK2608870T3 (en) * 2010-08-27 2015-03-30 Univ Denmark Tech Dtu MORDENIT-TYPE-ZEOLITE-SCR CATALYSTS WITH COPPER
KR101868176B1 (ko) 2010-09-02 2018-07-19 바스프 에스이 개선된 no 산화 활성을 갖는 가솔린 린번 엔진용 촉매
US8950174B2 (en) 2010-09-02 2015-02-10 Basf Se Catalysts for gasoline lean burn engines with improved NH3-formation activity
US9242242B2 (en) 2010-09-02 2016-01-26 Basf Se Catalyst for gasoline lean burn engines with improved NO oxidation activity
CN103201032B (zh) 2010-09-02 2016-03-30 巴斯夫欧洲公司 具有改进nh3形成活性的汽油稀燃发动机用催化剂
WO2012028566A1 (en) 2010-09-03 2012-03-08 Danmarks Tekniske Universitet HETEROPOLY ACID PROMOTED CATALYST FOR SCR OF NOx WITH AMMONIA
US8062601B2 (en) 2010-10-26 2011-11-22 Ford Global Technologies, Llc Emission SCR NOX aftertreatment system having reduced SO3 generation and improved durability
EP2463028A1 (de) 2010-12-11 2012-06-13 Umicore Ag & Co. Kg Verfahren zur Herstellung von metalldotierten Zeoliten und Zeotypen sowie dessen Anwendung zur katalytischen Entfernung von Stickstoffoxiden
DE102010055728A1 (de) * 2010-12-22 2012-06-28 Süd-Chemie AG Verfahren zur Umsetzung stickstoffhaltiger Verbindungen
DE102011101079B4 (de) 2011-05-10 2020-08-20 Umicore Ag & Co. Kg Verfahren zur Regeneration von NOx-Speicherkatalysatoren von Dieselmotoren mit Niederdruck-AGR
KR101980392B1 (ko) 2011-05-13 2019-05-20 바스프 에스이 층상 구조의 촉매화된 매연 필터
WO2012168277A1 (de) 2011-06-07 2012-12-13 Umicore Ag & Co. Kg Katalysator zur selektiven katalytischen reduktion von stickoxiden im abgas von dieselmotoren
DE102011107692B3 (de) 2011-07-13 2013-01-03 Umicore Ag & Co. Kg Verfahren zur Reaktivierung von Abgasreinigungsanlagen von Dieselmotoren mit Niederdruck-AGR
US9174849B2 (en) 2011-08-25 2015-11-03 Basf Corporation Molecular sieve precursors and synthesis of molecular sieves
US9044734B2 (en) 2011-09-23 2015-06-02 Basf Se Diesel oxidation catalyst with layered structure containing ceria composition as palladium support material for enhanced HC and CO gas conversion
DE102011084999A1 (de) 2011-10-21 2013-04-25 Robert Bosch Gmbh Katalysator für die selektive katalytische Reduktion von Stickoxiden
JP2015510484A (ja) 2012-02-06 2015-04-09 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 有機鋳型を用いない合成からの鉄及び銅含有ゼオライトベータ、及びそのＮＯｘの選択的触媒還元における使用方法
CN104379256B (zh) 2012-04-05 2018-02-09 巴斯夫公司 具有co/hc点火和hc储存功能的pt‑pd柴油氧化催化剂
JP6040232B2 (ja) * 2012-05-14 2016-12-07 エヌ・イーケムキャット株式会社 排気ガス浄化装置
KR102245483B1 (ko) 2012-08-17 2021-04-29 존슨 맛쎄이 퍼블릭 리미티드 컴파니 제올라이트 촉진된 Ｖ/Ｔⅰ/Ｗ 촉매
US9011807B2 (en) 2012-10-19 2015-04-21 Basf Corporation 8-ring small pore molecular sieve as high temperature SCR catalyst
WO2014083045A1 (en) 2012-11-29 2014-06-05 Basf Se Diesel oxidation catalyst comprising palladium, gold and ceria
AU2013369466A1 (en) * 2012-12-31 2015-04-16 Shell Internationale Research Maatschappij B.V. Catalyst and method for preparation thereof
EP2772302A1 (de) 2013-02-27 2014-09-03 Umicore AG & Co. KG Hexagonaler Oxidationskatalysator
CN105188919B (zh) 2013-03-12 2018-11-06 巴斯夫公司 用于no氧化的催化剂材料
US9260995B2 (en) 2013-03-13 2016-02-16 Basf Corporation Cyclone particulate filtration for lean burn engines
US9333490B2 (en) 2013-03-14 2016-05-10 Basf Corporation Zoned catalyst for diesel applications
US8821818B1 (en) 2013-03-15 2014-09-02 Three D Stack, LLC Cleaning stack gas
WO2014144954A1 (en) 2013-03-15 2014-09-18 Three D Stack, LLC Cleaning stack gas
US8850802B1 (en) 2013-03-15 2014-10-07 Daimler Ag Catalytic reduction of NOx
US9919269B2 (en) 2013-03-15 2018-03-20 3D Clean Coal Emissions Stack Llc Clean coal stack
DE102013005749A1 (de) 2013-04-05 2014-10-09 Umicore Ag & Co. Kg CuCHA Material für die SCR-Katalyse
EP3022792A4 (de) 2013-07-15 2016-12-21 Fcet Inc Niedrigtemperatur-festoxidzellen
US9782761B2 (en) 2013-10-03 2017-10-10 Ford Global Technologies, Llc Selective catalytic reduction catalyst
US10864502B2 (en) 2013-12-16 2020-12-15 Basf Corporation Manganese-containing diesel oxidation catalyst
US10335776B2 (en) 2013-12-16 2019-07-02 Basf Corporation Manganese-containing diesel oxidation catalyst
WO2015128663A1 (en) * 2014-02-28 2015-09-03 Johnson Matthey Public Limited Company Scr catalysts having improved low temperature performance, and methods of making and using the same
CN106061586B (zh) 2014-03-12 2020-06-19 巴斯夫欧洲公司 改进的催化烟灰过滤器
US9616384B2 (en) 2014-06-11 2017-04-11 Basf Se Base metal catalyst
EP2985068A1 (de) * 2014-08-13 2016-02-17 Umicore AG & Co. KG Katalysator-System zur Reduktion von Stickoxiden
KR20170120656A (ko) 2015-02-27 2017-10-31 바스프 코포레이션 배기 가스 처리 시스템
US10493434B2 (en) 2015-03-03 2019-12-03 Basf Corporation NOx adsorber catalyst, methods and systems
CN107406264A (zh) 2015-03-20 2017-11-28 巴斯夫公司 沸石材料和制造方法
CN108698841B (zh) 2015-12-22 2023-01-17 巴斯夫公司 制备铁(iii)交换的沸石组合物的方法
CN109414649B (zh) 2016-04-26 2022-04-26 巴斯夫公司 用于氧化催化剂组合的分区配置
AU2017267474A1 (en) 2016-05-14 2019-01-03 3 D Clean Coal Emissions Stack, Llc Clean gas stack
RU2019105496A (ru) 2016-07-29 2020-08-28 Басф Корпорейшн Катализатор на основе оксида церия, импрегнированного рутением
US11339701B2 (en) 2016-10-24 2022-05-24 Basf Corporation Integrated SCR catalyst and LNT for NOx abatement
CN110312565A (zh) 2016-12-07 2019-10-08 索尔维公司 使用碱性吸附剂和包含Ca缺陷型羟基磷灰石的DeNOx负载型催化剂的多污染物气体净化方法
WO2018115044A1 (de) 2016-12-20 2018-06-28 Umicore Ag & Co. Kg Scr-katalysatorvorrichtung enthaltend vanadiumoxid und eisen-haltiges molekularsieb
US11229901B2 (en) 2016-12-20 2022-01-25 Umicore Ag & Co. Kg SCR catalyst device containing vanadium oxide and molecular sieve containing iron
WO2018154463A1 (en) * 2017-02-22 2018-08-30 Basf Corporation Exhaust gas treatment catalyst for abatement of nitrogen oxides
GB2560990A (en) 2017-03-31 2018-10-03 Johnson Matthey Catalysts Germany Gmbh Composite material
US11179707B2 (en) 2017-03-31 2021-11-23 Johnson Matthey Catalysts (Germany) Gmbh Composite material
GB201705241D0 (en) 2017-03-31 2017-05-17 Johnson Matthey Catalysts (Germany) Gmbh Catalyst composition
WO2019030278A1 (en) 2017-08-09 2019-02-14 Solvay Sa IR SUPPORTED CATALYST COMPRISING A POOR AC HYDROXYAPATITE FOR THE TREATMENT OF WASTE GAS
WO2019042911A1 (en) 2017-08-29 2019-03-07 Rhodia Operations USE OF A MIXED OXIDE TO ABSORB NOX
US10780395B2 (en) 2017-12-04 2020-09-22 Ricardo Inc. Pollutant treatment process and apparatus
EP3725743A4 (de) 2017-12-14 2021-09-01 Tosoh Corporation Beta-zeolith und herstellungsverfahren dafür
BR112020016802A2 (pt) 2018-02-19 2020-12-15 Basf Corporation Sistema para tratamento de uma corrente de gás de escape de um motor e método para tratar uma corrente de gás de escape
EP3841063A4 (de) 2018-08-24 2022-06-01 Rhodia Operations Mikroporöser kristalliner aluminotitanosilikat-zeolith, verfahren zur herstellung und anwendungen davon
KR20220022477A (ko) 2019-05-22 2022-02-25 바스프 코포레이션 디젤 산화 촉매 및 저온 nox 흡착제를 포함하는 조정된 배출물 제어 시스템
WO2021041024A1 (en) 2019-08-29 2021-03-04 Basf Corporation Iron-promoted zeolite and catalyst made therefrom
EP3812034A1 (de) 2019-10-24 2021-04-28 Dinex A/S Dauerhafter kupfer-scr-katalysator
KR20220110760A (ko) 2019-12-13 2022-08-09 바스프 코포레이션 저온 NOx 트랩핑을 위한 희박 NOx 트랩 플러스 저온 NOx 흡착 시스템

Family Cites Families (8)

* 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
US4220632A (en) * 1974-09-10 1980-09-02 The United States Of America As Represented By The United States Department Of Energy Reduction of nitrogen oxides with catalytic acid resistant aluminosilicate molecular sieves and ammonia
US4104361A (en) * 1975-03-28 1978-08-01 Exxon Research & Engineering Co. Catalyst for reduction of nitrogen oxides and process for preparing the same
US4473535A (en) * 1976-01-26 1984-09-25 Northeast Utilities Service Company Process for reducing nitric oxides
US4297328A (en) * 1979-09-28 1981-10-27 Union Carbide Corporation Three-way catalytic process for gaseous streams
US4735927A (en) * 1985-10-22 1988-04-05 Norton Company Catalyst for the reduction of oxides of nitrogen
DE3713169A1 (de) * 1987-04-17 1988-11-03 Bayer Ag Verfahren und vorrichtung zur reduktion von stickoxiden
EP0326667A1 (de) * 1987-11-28 1989-08-09 Dornier Gmbh Katalysator zur selektiven Reduktion von Stickoxiden

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