CN107051574B - 用于选择性氨氧化的双金属催化剂 - Google Patents

用于选择性氨氧化的双金属催化剂 Download PDF

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CN107051574B
CN107051574B CN201610927292.2A CN201610927292A CN107051574B CN 107051574 B CN107051574 B CN 107051574B CN 201610927292 A CN201610927292 A CN 201610927292A CN 107051574 B CN107051574 B CN 107051574B
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catalyst
platinum
copper
ammonia
molecular sieve
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CN107051574A (zh
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M·T·考德
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BASF Corp
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BASF Corp
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/8621Removing nitrogen compounds
    • B01D53/8634Ammonia
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404Removing only nitrogen compounds
    • B01D53/9436Ammonia
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/064Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing iron group metals, noble metals or copper
    • B01J29/068Noble metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/064Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing iron group metals, noble metals or copper
    • B01J29/072Iron group metals or copper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/08Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
    • B01J29/10Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y containing iron group metals, noble metals or copper
    • B01J29/14Iron group metals or copper
    • B01J29/146Y-type faujasite
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/40Crystalline 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
    • B01J29/42Crystalline 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
    • B01J29/46Iron group metals or copper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/72Crystalline 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
    • B01J29/76Iron group metals or copper
    • B01J29/7615Zeolite Beta
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/72Crystalline 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
    • B01J29/76Iron group metals or copper
    • B01J29/763CHA-type, e.g. Chabazite, LZ-218
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/72Crystalline 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
    • B01J29/76Iron group metals or copper
    • B01J29/7676MWW-type, e.g. MCM-22, ERB-1, ITQ-1, PSH-3 or SSZ-25
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/40Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
    • B01J35/45Nanoparticles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0027Powdering
    • B01J37/0036Grinding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02Impregnation, coating or precipitation
    • B01J37/024Multiple impregnation or coating
    • B01J37/0246Coatings comprising a zeolite
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/10Noble metals or compounds thereof
    • B01D2255/102Platinum group metals
    • B01D2255/1021Platinum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20761Copper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/50Zeolites
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/40Nitrogen compounds
    • B01D2257/406Ammonia
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/01Engine exhaust gases
    • B01D2258/012Diesel engines and lean burn gasoline engines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2229/00Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/10After treatment, characterised by the effect to be obtained
    • B01J2229/18After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
CN201610927292.2A 2008-11-03 2009-11-03 用于选择性氨氧化的双金属催化剂 Expired - Fee Related CN107051574B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/263,864 US10632423B2 (en) 2008-11-03 2008-11-03 Bimetallic catalysts for selective ammonia oxidation
US12/263,864 2008-11-03
CN2009801534817A CN102271810A (zh) 2008-11-03 2009-11-03 用于选择性氨氧化的双金属催化剂

Related Parent Applications (1)

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CN2009801534817A Division CN102271810A (zh) 2008-11-03 2009-11-03 用于选择性氨氧化的双金属催化剂

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Publication Number Publication Date
CN107051574A CN107051574A (zh) 2017-08-18
CN107051574B true CN107051574B (zh) 2021-02-19

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CN2009801534817A Pending CN102271810A (zh) 2008-11-03 2009-11-03 用于选择性氨氧化的双金属催化剂

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US (2) US10632423B2 (enExample)
EP (2) EP2364211A4 (enExample)
JP (1) JP6289797B2 (enExample)
KR (2) KR102126248B1 (enExample)
CN (2) CN107051574B (enExample)
BR (1) BRPI0921502B1 (enExample)
WO (1) WO2010062733A2 (enExample)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8596063B2 (en) * 2009-06-18 2013-12-03 GM Global Technology Operations LLC Exhaust treatment system for an internal combustion engine
JP2014508630A (ja) * 2010-11-02 2014-04-10 ハルドール・トプサー・アクチエゼルスカベット 触媒化微粒子フィルターの製造方法及び触媒化微粒子フィルター
DE102010050312A1 (de) * 2010-11-03 2012-05-03 Süd-Chemie AG Ammoniak-Oxidationskatalysator mit geringer N2O Nebenproduktbildung
US8845974B2 (en) * 2010-11-24 2014-09-30 Basf Corporation Advanced catalyzed soot filters and method of making and using the same
US20140033685A1 (en) * 2011-03-07 2014-02-06 Johnson Matthey Public Limited Company Exhaust system having ammonia slip catalyst and egr circuit
US8101146B2 (en) * 2011-04-08 2012-01-24 Johnson Matthey Public Limited Company Catalysts for the reduction of ammonia emission from rich-burn exhaust
CN106423258B (zh) 2011-06-05 2019-03-08 庄信万丰股份有限公司 用于处理废气的pgm催化剂
CN102600735B (zh) * 2012-03-29 2014-09-03 吉林大学 一种无机相分离膜及其在油水分离中的应用
DE102012006541A1 (de) * 2012-04-02 2013-10-02 Clariant Produkte (Deutschland) Gmbh Wasserstoffoxidationskatalysator, Verwendung desselben und Verfahren zur Wasserstoffrekombination
US8992869B2 (en) 2012-12-20 2015-03-31 Caterpillar Inc. Ammonia oxidation catalyst system
KR101481600B1 (ko) * 2013-05-02 2015-01-14 희성촉매 주식회사 선택적 촉매 환원 (scr) 시스템에서의 암모니아 산화촉매
EP3015167A1 (en) * 2014-10-31 2016-05-04 Heesung Catalysts Corporation Ammonia oxidation catalyst in scr system
CN105749960A (zh) * 2016-03-10 2016-07-13 镇江翰宏新材料科技有限公司 一种用于氨选择性催化还原脱除NOx的催化剂的制备方法
CN105772098B (zh) * 2016-05-04 2018-09-14 宁波富锴净化器有限公司 用于氨选择性催化还原脱除NOx的催化剂及其制备方法
GB201705289D0 (en) * 2017-03-31 2017-05-17 Johnson Matthey Catalysts (Germany) Gmbh Selective catalytic reduction catalyst
DE102018100833A1 (de) * 2018-01-16 2019-07-18 Umicore Ag & Co. Kg Verfahren zur Herstellung eines SCR-Katalysators
CN108246360B (zh) * 2018-02-27 2021-02-12 南开大学 一种用于氨氧化的氧化物分子筛复合催化剂
US10953366B2 (en) * 2018-04-20 2021-03-23 GM Global Technology Operations LLC Nitrogen oxides and hydrocarbon storage catalyst and methods of using the same
KR102224335B1 (ko) 2018-09-19 2021-03-08 주식회사 씨비비 가스상 암모니아를 질소로 전환하는 선택적 산화촉매 및 그 그 제조방법
CN110102338A (zh) * 2019-04-30 2019-08-09 昆明贵研催化剂有限责任公司 一种高氮气选择性的氨氧化催化剂及其制备方法
EP3974059A1 (de) * 2020-09-24 2022-03-30 UMICORE AG & Co. KG Verfahren zur herstellung eines katalysators zur oxidation von ammoniak
KR20220057376A (ko) 2020-10-29 2022-05-09 한국화학연구원 암모니아의 질소전환용 비백금계 금속 산화물 촉매 및 이를 이용한 암모니아의 질소전환방법
CN113107647B (zh) * 2021-04-28 2022-02-01 一汽解放汽车有限公司 一种发动机运行模式的控制方法
CN115843275B (zh) * 2021-09-01 2024-02-06 宁波吉利罗佑发动机零部件有限公司 氨吸附催化剂及其制备方法和应用
JP2023079713A (ja) 2021-11-29 2023-06-08 株式会社キャタラー 排ガス浄化触媒装置
CN115445654B (zh) * 2022-09-21 2024-02-02 中国科学院生态环境研究中心 一种柴油车尾气氨净化分子筛催化剂及制备方法和用途
CN115532304B (zh) * 2022-09-21 2024-01-19 中国科学院生态环境研究中心 一种氨内燃机氨净化的分子筛催化剂及制备方法和用途
JP2025156915A (ja) * 2024-04-02 2025-10-15 エヌ・イーケムキャット株式会社 アンモニア分解触媒

Family Cites Families (23)

* 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
US5330945A (en) * 1991-04-08 1994-07-19 General Motors Corporation Catalyst for treatment of diesel exhaust particulate
JP3285206B2 (ja) 1991-08-08 2002-05-27 バブコック日立株式会社 排ガス浄化用触媒およびその製造方法
JP3499350B2 (ja) 1995-12-08 2004-02-23 トヨタ自動車株式会社 内燃機関の排ガス浄化方法
US6133185A (en) * 1995-11-09 2000-10-17 Toyota Jidosha Kabushiki Kaisha Exhaust gas purifying catalyst
FR2747936B1 (fr) 1996-04-26 1998-07-24 Inst Francais Du Petrole Procede catalytique de desodorisation et desazotation de rejets polluants a fonctionnement autothermique
US6136291A (en) * 1998-10-08 2000-10-24 Mobile Oil Corporation Faujasite zeolitic materials
CN101712461A (zh) 2001-01-26 2010-05-26 松下电器产业株式会社 氢气提纯装置和燃料电池发电系统
JP2002226204A (ja) 2001-01-26 2002-08-14 Matsushita Electric Ind Co Ltd 水素精製装置
US20040037757A1 (en) 2001-05-07 2004-02-26 Kiyoshi Taguchi Hydrogen purification apparatus
SE0101716D0 (sv) 2001-05-16 2001-05-16 Catator Ab Method and device for processing nitrogen-based gases
US6914026B2 (en) * 2001-09-07 2005-07-05 Engelhard Corporation Hydrothermally stable metal promoted zeolite beta for NOx reduction
US6645448B2 (en) * 2001-10-18 2003-11-11 General Motors Corporation Hydrothermally stable catalyst for improved lean NOx reduction
US7410626B2 (en) * 2003-09-10 2008-08-12 Basf Catalysts Llc Layered ammonia oxidation catalyst
KR101126063B1 (ko) * 2004-07-15 2012-03-29 니키 유니바사루 가부시키가이샤 유기 질소 화합물 함유 배기가스의 정화용 촉매 및 동배기가스의 정화 방법
EP1872852A1 (en) * 2005-03-30 2008-01-02 Sued-Chemie Catalysts Japan, Inc. Ammonia decomposition catalyst and process for decomposition of ammonia using the catalyst
WO2007004774A1 (en) * 2005-07-06 2007-01-11 Heesung Catalysts Corporation An oxidation catalyst for nh3 and an apparatus for treating slipped or scrippedd nh3
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
US7891171B2 (en) 2006-12-05 2011-02-22 GM Global Technology Operations LLC Hybrid catalyst for NOx reduction using fuel hydrocarbons as reductant
CN101007283A (zh) 2007-01-26 2007-08-01 江苏工业学院 Zsm-5分子筛改性催化剂及制备方法和用途
AR065501A1 (es) 2007-02-27 2009-06-10 Basf Catalysts Llc Catalizadores de zeolita cha de cobre
US7998423B2 (en) 2007-02-27 2011-08-16 Basf Corporation SCR on low thermal mass filter substrates
RU2009135861A (ru) 2007-02-27 2011-04-10 Басф Каталистс Ллк (Us) Бифункциональные катализаторы для селективного окисления аммиака

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EP3854479A1 (en) 2021-07-28
CN107051574A (zh) 2017-08-18
WO2010062733A2 (en) 2010-06-03
WO2010062733A3 (en) 2010-07-29
EP2364211A2 (en) 2011-09-14
KR20110086720A (ko) 2011-07-29
US10632423B2 (en) 2020-04-28
BRPI0921502A2 (pt) 2016-09-27
CN102271810A (zh) 2011-12-07
EP2364211A4 (en) 2012-08-08
BRPI0921502B1 (pt) 2018-07-03
US20100111791A1 (en) 2010-05-06
JP2012507400A (ja) 2012-03-29
US20200222853A1 (en) 2020-07-16
KR20170095405A (ko) 2017-08-22
JP6289797B2 (ja) 2018-03-07
KR102126248B1 (ko) 2020-06-24

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