CN102216582B - 一体化SCR和AMOx催化剂系统 - Google Patents

一体化SCR和AMOx催化剂系统 Download PDF

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Publication number
CN102216582B
CN102216582B CN200980146203.9A CN200980146203A CN102216582B CN 102216582 B CN102216582 B CN 102216582B CN 200980146203 A CN200980146203 A CN 200980146203A CN 102216582 B CN102216582 B CN 102216582B
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scr
substrate
washcoat
catalyst
composition
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Chinese (zh)
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CN102216582A (zh
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M·T·考德
M·迪特勒
E·S·布兹拜
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BASF Corp
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BASF Corp
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    • 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
    • B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
    • B01D53/9463—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick
    • B01D53/9468—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick in different layers
    • 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
    • B01J29/76—Iron group metals or copper
    • B01J29/7615—Zeolite Beta
    • 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
    • B01D53/9436—Ammonia
    • 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
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/42—Platinum
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/19—Catalysts containing parts with different compositions
    • 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
    • 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
    • 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
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    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/50—Zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/01—Engine exhaust gases
    • B01D2258/012—Diesel engines and lean burn gasoline engines
    • 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
    • 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
    • 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
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • 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
    • B01J37/0225—Coating of metal substrates
    • 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
    • F01N2370/00—Selection of materials for exhaust purification
    • F01N2370/02—Selection of materials for exhaust purification used in catalytic reactors
    • F01N2370/04—Zeolitic material
    • 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
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • 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
    • 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)
    • 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
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    • 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
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    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24149—Honeycomb-like

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  • 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)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
CN200980146203.9A 2008-11-03 2009-11-03 一体化SCR和AMOx催化剂系统 Active CN102216582B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710239474.5A CN107262090B (zh) 2008-11-03 2009-11-03 一体化SCR和AMOx催化剂系统

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/263,871 US8524185B2 (en) 2008-11-03 2008-11-03 Integrated SCR and AMOx catalyst systems
US12/263,871 2008-11-03
PCT/US2009/063035 WO2010062730A2 (en) 2008-11-03 2009-11-03 Integrated scr and amox catalyst systems

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201710239474.5A Division CN107262090B (zh) 2008-11-03 2009-11-03 一体化SCR和AMOx催化剂系统

Publications (2)

Publication Number Publication Date
CN102216582A CN102216582A (zh) 2011-10-12
CN102216582B true CN102216582B (zh) 2017-05-10

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CN201710239474.5A Active CN107262090B (zh) 2008-11-03 2009-11-03 一体化SCR和AMOx催化剂系统
CN200980146203.9A Active CN102216582B (zh) 2008-11-03 2009-11-03 一体化SCR和AMOx催化剂系统

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Country Status (13)

Country Link
US (1) US8524185B2 (enExample)
EP (2) EP3399166A1 (enExample)
JP (3) JP2012507662A (enExample)
KR (1) KR101688668B1 (enExample)
CN (2) CN107262090B (enExample)
BR (1) BRPI0921500B1 (enExample)
CA (1) CA2791997C (enExample)
ES (1) ES2689940T3 (enExample)
MX (1) MX2011004654A (enExample)
MY (1) MY156967A (enExample)
PL (1) PL2352912T3 (enExample)
WO (1) WO2010062730A2 (enExample)
ZA (1) ZA201104097B (enExample)

Families Citing this family (104)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7998423B2 (en) 2007-02-27 2011-08-16 Basf Corporation SCR on low thermal mass filter substrates
EP2112339A1 (de) * 2008-04-24 2009-10-28 Umicore AG & Co. KG Verfahren und Vorrichtung zur Reinigung von Abgasen eines Verbrennungsmotors
EP2380663A4 (en) * 2009-01-22 2017-05-10 Mitsubishi Plastics, Inc. Catalyst for removing nitrogen oxides and method for producing same
US8246923B2 (en) * 2009-05-18 2012-08-21 Umicore Ag & Co. Kg High Pd content diesel oxidation catalysts with improved hydrothermal durability
US8557203B2 (en) * 2009-11-03 2013-10-15 Umicore Ag & Co. Kg Architectural diesel oxidation catalyst for enhanced NO2 generator
JP5815220B2 (ja) * 2009-11-19 2015-11-17 イビデン株式会社 ハニカム構造体及び排ガス浄化装置
GB2475740B (en) * 2009-11-30 2017-06-07 Johnson Matthey Plc Catalysts for treating transient NOx emissions
US8293182B2 (en) * 2010-05-05 2012-10-23 Basf Corporation Integrated SCR and AMOx catalyst systems
DE102010055730A1 (de) * 2010-12-22 2012-06-28 Süd-Chemie AG Verfahren zur Herstellung von Titano-(Silico)-Alumo-Phosphat
US20130281284A1 (en) * 2010-12-27 2013-10-24 Mitsubishi Plastics, Inc. Catalyst for nitrogen oxide removal
EP2495032A1 (de) * 2011-03-03 2012-09-05 Umicore Ag & Co. Kg SCR-Katalysator mit verbesserter Kohlenwasserstoffresistenz
KR101986388B1 (ko) * 2011-03-07 2019-06-05 존슨 맛쎄이 퍼블릭 리미티드 컴파니 Egr 회로에서 암모니아 슬립 촉매를 가지는 배기 시스템
WO2012120942A1 (ja) * 2011-03-08 2012-09-13 三菱樹脂株式会社 触媒、窒素酸化物浄化用素子、及び窒素酸化物浄化用システム
WO2012132678A1 (ja) * 2011-03-31 2012-10-04 エヌ・イー ケムキャット株式会社 アンモニア酸化触媒、およびそれを用いた排気ガス浄化装置並びに排気ガス浄化方法
US9242239B2 (en) 2011-04-08 2016-01-26 Johnson Matthey Public Limited Company Catalysts for the reduction of ammonia emission from rich-burn exhaust
US8101146B2 (en) * 2011-04-08 2012-01-24 Johnson Matthey Public Limited Company Catalysts for the reduction of ammonia emission from rich-burn exhaust
US9999877B2 (en) * 2011-10-05 2018-06-19 Basf Se Cu-CHA/Fe-BEA mixed zeolite catalyst and process for the treatment of NOx in gas streams
CN102600832A (zh) * 2012-02-28 2012-07-25 北京化工大学 一种提高脱硝性能的组合催化剂及其应用
WO2013172128A1 (ja) 2012-05-14 2013-11-21 エヌ・イーケムキャット株式会社 排気ガス浄化装置
DK2755764T3 (en) * 2012-08-17 2016-11-28 Johnson Matthey Plc Zeolite promoted V / TI / W CATALYST
CN104781516B (zh) * 2012-11-16 2017-07-14 丰田自动车株式会社 内燃机的排气净化装置
EP2925441A2 (en) * 2012-11-30 2015-10-07 Johnson Matthey Public Limited Company Ammonia oxidation catalyst
SE537367C2 (sv) * 2012-12-14 2015-04-14 Scania Cv Ab Katalysator för behandling av avgaser och ett avgassystem som innefattar en sådan katalysator
US20140170030A1 (en) * 2012-12-14 2014-06-19 International Engine Intellectual Property Company, Llc Aftertreatment System Using LNT and SCR
US8992869B2 (en) 2012-12-20 2015-03-31 Caterpillar Inc. Ammonia oxidation catalyst system
JP5780247B2 (ja) * 2013-01-23 2015-09-16 トヨタ自動車株式会社 触媒コンバーター
US9511355B2 (en) 2013-11-26 2016-12-06 Clean Diesel Technologies, Inc. (Cdti) System and methods for using synergized PGM as a three-way catalyst
US20140274662A1 (en) 2013-03-15 2014-09-18 Cdti Systems and Methods for Variations of ZPGM Oxidation Catalysts Compositions
US9511350B2 (en) 2013-05-10 2016-12-06 Clean Diesel Technologies, Inc. (Cdti) ZPGM Diesel Oxidation Catalysts and methods of making and using same
JP5821887B2 (ja) * 2013-04-03 2015-11-24 トヨタ自動車株式会社 触媒コンバーター
WO2014169935A1 (en) * 2013-04-15 2014-10-23 Haldor Topsøe A/S Process and catalyst system for selective reduction of nitrogen oxides
US9545626B2 (en) 2013-07-12 2017-01-17 Clean Diesel Technologies, Inc. Optimization of Zero-PGM washcoat and overcoat loadings on metallic substrate
US20160215735A1 (en) * 2013-09-11 2016-07-28 International Engine Intellectual Property Company, Llc Thermal screen for an egr cooler
US9511358B2 (en) 2013-11-26 2016-12-06 Clean Diesel Technologies, Inc. Spinel compositions and applications thereof
JP5888312B2 (ja) * 2013-11-29 2016-03-22 トヨタ自動車株式会社 排ガス浄化用触媒
GB201421333D0 (en) * 2013-12-02 2015-01-14 Johnson Matthey Plc Mixed template synthesis of high silica cu-cha
US20160339387A1 (en) * 2013-12-26 2016-11-24 Nikki-Universal Co., Ltd. Ammonia decomposition catalyst
US9662636B2 (en) 2014-04-17 2017-05-30 Basf Corporation Zoned catalyst composites
GB2530129B (en) * 2014-05-16 2016-10-26 Johnson Matthey Plc Catalytic article for treating exhaust gas
DE102015209987A1 (de) * 2014-06-04 2015-12-10 Johnson Matthey Public Limited Company Nicht-PGM-Ammoniakschlupfkatalysator
JP2017521246A (ja) * 2014-07-02 2017-08-03 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 アンモニア酸化触媒として上部層ｓｃｒコンポーネントを有するペロブスカイト、及びディーゼル機関における排気エミッション制御のためのシステム
CN104190413B (zh) * 2014-08-12 2017-01-18 无锡威孚力达催化净化器有限责任公司 基于scr的no氧化催化剂及其制备方法
WO2016039747A1 (en) * 2014-09-11 2016-03-17 Clean Diesel Technologies, Inc. Methods for oxidation and two-way and three-way zpgm catalyst systems and apparatus comprising same
JP6102907B2 (ja) * 2014-12-26 2017-03-29 トヨタ自動車株式会社 排気浄化装置の劣化診断装置
MX2017010295A (es) * 2015-02-09 2017-11-10 Basf Corp Catalizador de oxidacion diesel.
US9517437B2 (en) * 2015-03-02 2016-12-13 General Electric Company Systems and methods for controlling aftertreatment systems
CA2978302C (en) * 2015-03-05 2023-12-19 Basf Corporation Platinum-containing catalysts for combustion engines
BR112017020825A2 (pt) 2015-03-30 2018-07-03 Basf Corp filtro particulado catalisado, e, método para fabricar um filtro particulado revestido
US9937489B2 (en) * 2015-06-18 2018-04-10 Johnson Matthey Public Limited Company Exhaust system without a DOC having an ASC acting as a DOC in a system with an SCR catalyst before the ASC
CN107847924B (zh) * 2015-06-18 2021-04-06 庄信万丰股份有限公司 具有低n2o形成的氨泄漏催化剂
GB2575371B (en) * 2015-06-18 2020-05-06 Johnson Matthey Plc Zoned exhaust system
EP3310477A1 (en) * 2015-06-18 2018-04-25 Johnson Matthey Public Limited Company Single or dual layer ammonia slip catalyst
KR102527239B1 (ko) * 2015-06-18 2023-05-02 존슨 맛쎄이 퍼블릭 리미티드 컴파니 Nh3 과용량-허용 scr 촉매
CN107847860A (zh) * 2015-07-09 2018-03-27 优美科股份公司及两合公司 具有nh3‑scr活性、氨氧化活性和对挥发性钒和钨化合物的吸附能力的三效催化剂
US10792616B2 (en) 2015-08-14 2020-10-06 Basf Corporation Ion exchanged synthetic phyllosilicate as SCR catalyst
EP3344384B1 (en) * 2015-09-04 2025-03-26 BASF Mobile Emissions Catalysts LLC Integrated scr and ammonia oxidation catalyst systems
KR102543002B1 (ko) * 2015-09-29 2023-06-14 존슨 맛쎄이 퍼블릭 리미티드 컴파니 연소 터빈용 구역화된 암모니아 슬립 촉매
DE102015224370B4 (de) * 2015-12-04 2022-05-19 Johnson Matthey Catalysts (Germany) Gmbh Katalysator sowie Verfahren zur Herstellung eines Katalysators
GB2547288B (en) 2016-02-03 2021-03-17 Johnson Matthey Plc Catalyst for oxidising ammonia
WO2018010804A1 (en) 2016-07-14 2018-01-18 Umicore Ag & Co. Kg Vanadium trapping scr system
MX2019001261A (es) * 2016-07-29 2019-07-01 Basf Corp Proceso para la preparacion de un material zeolitico tipo fau y su uso en la reduccion catalitica selectiva de nox.
EP3493905B1 (en) * 2016-08-05 2025-09-24 BASF Mobile Emissions Catalysts LLC Selective catalytic reduction article and system and method
WO2018065353A1 (en) 2016-10-03 2018-04-12 Umicore Ag & Co. Kg Catalyst article and method for the abatement of ammonia and nitrogen oxides
JP6693406B2 (ja) * 2016-12-20 2020-05-13 三菱自動車工業株式会社 排気ガス浄化装置
GB2562160B (en) * 2017-03-20 2021-06-23 Johnson Matthey Plc Catalytic wall-flow filter with an ammonia slip catalyst
EP3600624B1 (en) * 2017-03-29 2025-04-23 Johnson Matthey Public Limited Company Asc with platinum group metal in multiple layers
GB201705158D0 (en) * 2017-03-30 2017-05-17 Johnson Matthey Plc Catalyst article for use in a emission treatment system
GB201705289D0 (en) * 2017-03-31 2017-05-17 Johnson Matthey Catalysts (Germany) Gmbh Selective catalytic reduction catalyst
US10183287B1 (en) * 2017-07-06 2019-01-22 Umicore Ag & Co. Kg Method of applying a multilayer wet-on-wet coating to a substrate
DE102018121503A1 (de) 2017-09-05 2019-03-07 Umicore Ag & Co. Kg Abgasreinigung mit NO-Oxidationskatalysator und SCR-aktivem Partikelfilter
WO2019069232A1 (en) * 2017-10-03 2019-04-11 Basf Corporation SCR CATALYST COMPOSITIONS, CATALYSTS AND CATALYST SYSTEMS INCORPORATING SUCH CATALYSTS
CN111742121B (zh) 2018-02-19 2022-08-16 巴斯夫公司 具有上游scr催化剂的排气处理系统
EP3787789A1 (en) * 2018-04-30 2021-03-10 BASF Corporation Catalyst for the oxidation of no, the oxidation of a hydrocarbon, the oxidation of nh3 and the selective catalytic reduction of nox
EP3840877A4 (en) 2018-08-22 2022-05-18 BASF Corporation ADVANCED NOX REDUCTION CATALYSTS
US12161998B2 (en) 2019-03-29 2024-12-10 Umicore Ag & Co. Kg Catalytically active particulate filter
JP7489761B2 (ja) 2019-05-07 2024-05-24 株式会社キャタラー アンモニア酸化触媒装置
JP7680373B2 (ja) 2019-05-21 2025-05-20 ビーエーエスエフ モバイル エミッションズ カタリスツ エルエルシー ディーゼル用途のためのアンモニア酸化触媒
EP3782726A1 (en) 2019-08-20 2021-02-24 Umicore Ag & Co. Kg Catalyst for the abatement of ammonia and nitrogen oxide emissions from the exhaust gases of combustion engines
EP3782727A1 (de) * 2019-08-20 2021-02-24 Umicore Ag & Co. Kg Katalysator zur reduzierung von ammoniak-emissionen
CN110479359A (zh) * 2019-08-27 2019-11-22 无锡威孚环保催化剂有限公司 低硅铝比高稳定性含铜分子筛催化剂及其制备方法
EP4045176B8 (en) 2019-10-16 2024-04-03 Johnson Matthey Public Limited Company Composite, zone-coated, dual-use ammonia (amox) and nitric oxide oxidation catalyst
US11378278B2 (en) * 2019-12-11 2022-07-05 Umicore Ag & Co. Kg System and process for efficient SCR at high NO2 to NOx ratios
WO2021126935A1 (en) 2019-12-19 2021-06-24 Basf Corporation Exhaust treatment system for ammonia-fueled vehicles
WO2023244279A1 (en) 2022-06-17 2023-12-21 Basf Corporation Exhaust treatment system for ammonia-fueled vehicles
EP3885029A1 (de) 2020-03-24 2021-09-29 UMICORE AG & Co. KG Platin- und zinkhaltiger zeolith
EP3885040B1 (de) 2020-03-24 2025-07-16 Umicore AG & Co. KG Ammoniakoxidationskatalysator
BR112022019161A2 (pt) * 2020-04-30 2022-11-08 Johnson Matthey Plc Método para a formação de um artigo catalítico, artigo catalítico, e, sistema de exaustão
EP3919165B1 (en) * 2020-06-03 2025-08-13 Johnson Matthey Public Limited Company Method for forming a catalyst article
EP3957386A1 (de) * 2020-08-18 2022-02-23 UMICORE AG & Co. KG Katalysator zur reduzierung von ammoniak-emmisionen
EP4259311A1 (en) * 2020-12-14 2023-10-18 Umicore AG & Co. KG Catalytic devices for the abatement of nh3 and nox emissions from internal combustion engines
EP4264026A4 (en) * 2020-12-18 2024-10-30 Cummins Inc. NOX AND AMMONIA EMISSION CONTROL STRATEGY FOR AFTERTREATMENT SYSTEM
CN114247450B (zh) * 2020-12-28 2024-07-02 中化学环保催化剂有限公司 一种催化组合物、催化剂层、催化装置和气体处理系统
JP7580756B2 (ja) * 2021-01-05 2024-11-12 日揮ユニバーサル株式会社 アンモニア分解触媒及びこれを用いた排ガス処理方法
JP7741540B2 (ja) * 2021-08-16 2025-09-18 日揮ユニバーサル株式会社 アンモニアエンジンの排ガス処理システム及びアンモニアエンジンの排ガス処理方法
US20240342655A1 (en) 2021-09-24 2024-10-17 Umicore Ag & Co. Kg Catalytic Article for Ammonia Slip Removal From Diesel Exhaust Aftertreatment Systems With Low Weight and Faster Heating
US20250381524A1 (en) 2022-01-13 2025-12-18 Cataler Corporation Catalyst body for purifying exhaust gas of gasoline engine, and exhaust gas purification system using same
WO2023162302A1 (ja) 2022-02-25 2023-08-31 株式会社キャタラー ガソリンエンジンの排ガス浄化用触媒体およびこれを用いた排ガス浄化システム
EP4551329A1 (en) * 2022-07-05 2025-05-14 BASF Corporation Catalytic article comprising ammonia oxidation catalyst
WO2024029290A1 (ja) * 2022-08-04 2024-02-08 エヌ・イーケムキャット株式会社 排ガス処理用システム
US12403425B2 (en) 2022-08-31 2025-09-02 Johnson Matthey Public Limited Company Exhaust gas treatment system
CN115501908B (zh) * 2022-09-13 2023-11-03 东风商用车有限公司 具有低温NOx吸附功能的抗硫SCR催化剂及其应用
WO2025120310A1 (en) * 2023-12-05 2025-06-12 Johnson Matthey Public Limited Company High transition metal loading for ammonia slip catalyst
CN118002195B (zh) * 2024-04-09 2024-06-11 昆明贵研催化剂有限责任公司 一种柴油机用耦合型三效催化剂及其制备方法
CN119114150B (zh) * 2024-10-23 2025-08-01 无锡威孚环保催化剂有限公司 一种减少氨气转化过程中n2o生成量的催化剂及其制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007137675A1 (de) * 2006-05-31 2007-12-06 Umicore Ag & Co. Kg Katalysator zur verminderung stickstoff-haltiger schadgase aus dem abgas von dieselmotoren
US7332135B2 (en) * 2002-10-22 2008-02-19 Ford Global Technologies, Llc Catalyst system for the reduction of NOx and NH3 emissions
EP1961933A1 (de) * 2007-02-23 2008-08-27 Umicore AG & Co. KG Katalytisch aktiviertes Dieselpartikelfilter mit Ammoniak-Sperrwirkung
US20080241060A1 (en) * 2007-03-26 2008-10-02 Hong-Xin Li Novel microporous crystalline material comprising a molecular sieve or zeolite having an 8-ring pore opening structure and methods of making and using same
US20080256936A1 (en) * 2007-04-17 2008-10-23 Geo2 Technologies, Inc. Selective Catalytic Reduction Filter and Method of Using Same

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3842308A (en) 1970-12-12 1974-10-15 Philips Corp Gas discharge panel with apertured center plate having an oxidized surface
JPS5523086B2 (enExample) 1973-03-26 1980-06-20
US4085193A (en) * 1973-12-12 1978-04-18 Mitsubishi Petrochemical Co. Ltd. Catalytic process for reducing nitrogen oxides to nitrogen
US3929965A (en) * 1974-05-16 1975-12-30 Grace W R & Co Dual purpose auto exhaust catalysts
US4552733A (en) * 1975-08-27 1985-11-12 Engelhard Corporation Polyfunctional catalysts and method of use
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
US5120695A (en) * 1989-07-28 1992-06-09 Degusaa Aktiengesellschaft (Degussa Ag) Catalyst for purifying exhaust gases from internal combustion engines and gas turbines operated at above the stoichiometric ratio
JP3354587B2 (ja) * 1992-04-16 2002-12-09 バブコック日立株式会社 触媒構造体およびその製造方法
JP3436567B2 (ja) * 1993-06-23 2003-08-11 バブコック日立株式会社 排ガス浄化触媒およびその製造方法
US5679313A (en) * 1994-06-08 1997-10-21 Mitsubishi Jukogyo Kabushiki Kaisha Ammonia decomposition catalysts
CA2154500C (en) * 1994-07-28 2001-10-02 Kouzo Iida Methods of denitrating exhaust gases
US6133185A (en) 1995-11-09 2000-10-17 Toyota Jidosha Kabushiki Kaisha Exhaust gas purifying catalyst
IN195165B (enExample) 1996-06-21 2005-01-28 Engelhard Corp
US5891409A (en) * 1996-08-19 1999-04-06 The Regents Of The University Of California Pre-converted nitric oxide gas in catalytic reduction system
US6162415A (en) * 1997-10-14 2000-12-19 Exxon Chemical Patents Inc. Synthesis of SAPO-44
JP4693239B2 (ja) 1998-07-29 2011-06-01 エクソン ケミカル パテンツ インコーポレイテッド 結晶性分子ふるい
US6826906B2 (en) * 2000-08-15 2004-12-07 Engelhard Corporation Exhaust system for enhanced reduction of nitrogen oxides and particulates from diesel engines
GB0315643D0 (en) 2003-04-29 2003-08-13 Johnson Matthey Plc Improved catalyst charge design
US7229597B2 (en) 2003-08-05 2007-06-12 Basfd Catalysts Llc Catalyzed SCR filter and emission treatment system
US7849674B2 (en) * 2003-09-19 2010-12-14 Nissan Diesel Motor Co., Ltd. Exhaust emission purifying apparatus for engine
DE102004028868A1 (de) * 2004-06-15 2006-01-05 Ina-Schaeffler Kg Brennkraftmaschine mit einer hydraulischen Vorrichtung zur Drehwinkelverstellung einer Nockenwelle gegenüber einer Kurbelwelle
WO2006006702A1 (ja) * 2004-07-15 2006-01-19 Nikki-Universal Co., Ltd. 有機窒素化合物含有排ガスの浄化用触媒、および同排ガスの浄化方法
US20060029534A1 (en) * 2004-08-04 2006-02-09 General Electric Company Process for treating ammonia-containing exhaust gases
DE102004040548A1 (de) 2004-08-21 2006-02-23 Umicore Ag & Co. Kg Verfahren zum Beschichten eines Wandflußfilters mit feinteiligen Feststoffen und damit erhaltenes Partikelfilter und seine Verwendung
US7481983B2 (en) * 2004-08-23 2009-01-27 Basf Catalysts Llc Zone coated catalyst to simultaneously reduce NOx and unreacted ammonia
EP1786541B1 (en) 2004-09-08 2012-11-28 Headwaters Incorporated Method and system for reducing ammonia slip after selective reduction of nox
JP5075636B2 (ja) * 2004-12-28 2012-11-21 ネステ オイル オサケ ユキチュア ユルキネン 触媒材料および製造方法
US7062904B1 (en) * 2005-02-16 2006-06-20 Eaton Corporation Integrated NOx and PM reduction devices for the treatment of emissions from internal combustion engines
JP2006289211A (ja) * 2005-04-07 2006-10-26 Ne Chemcat Corp アンモニア酸化触媒
US7390471B2 (en) * 2005-11-17 2008-06-24 Siemens Power Generation, Inc. Apparatus and method for catalytic treatment of exhaust gases
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
DK2363194T3 (da) * 2006-08-01 2013-02-11 Cormetech Inc System til fjernelse af nitrogenoxider fra en udstødningsgas
RU2009132612A (ru) * 2007-01-31 2011-03-10 Басф Каталистс Ллк (Us) Газовые катализаторы, включающие пористую сотовидную стенку
US7722845B2 (en) 2007-02-27 2010-05-25 Basf Corporation Bifunctional catalysts for selective ammonia oxidation
PL2117707T5 (pl) 2007-02-27 2019-01-31 Basf Corporation Katalizatory zeolit cha -miedź
US7998423B2 (en) * 2007-02-27 2011-08-16 Basf Corporation SCR on low thermal mass filter substrates
MX2009011443A (es) 2007-04-26 2010-01-18 Johnson Matthey Plc Catalizadores de reduccion catalitica selectiva de metal de transicion/zeolita.
JP5110954B2 (ja) * 2007-05-09 2012-12-26 エヌ・イーケムキャット株式会社 選択還元型触媒を用いた排気ガス浄化触媒装置並びに排気ガス浄化方法
JP2008284506A (ja) * 2007-05-21 2008-11-27 Babcock Hitachi Kk 排ガス浄化用触媒及びその製造方法と排ガスの処理方法
DE102010007499A1 (de) 2010-02-09 2011-08-11 Umicore AG & Co. KG, 63457 Volumetrische Beschichtungsanordnung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7332135B2 (en) * 2002-10-22 2008-02-19 Ford Global Technologies, Llc Catalyst system for the reduction of NOx and NH3 emissions
WO2007137675A1 (de) * 2006-05-31 2007-12-06 Umicore Ag & Co. Kg Katalysator zur verminderung stickstoff-haltiger schadgase aus dem abgas von dieselmotoren
EP1961933A1 (de) * 2007-02-23 2008-08-27 Umicore AG & Co. KG Katalytisch aktiviertes Dieselpartikelfilter mit Ammoniak-Sperrwirkung
US20080241060A1 (en) * 2007-03-26 2008-10-02 Hong-Xin Li Novel microporous crystalline material comprising a molecular sieve or zeolite having an 8-ring pore opening structure and methods of making and using same
US20080256936A1 (en) * 2007-04-17 2008-10-23 Geo2 Technologies, Inc. Selective Catalytic Reduction Filter and Method of Using Same

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