CA2997040A1 - Integrated scr and ammonia oxidation catalyst systems - Google Patents

Integrated scr and ammonia oxidation catalyst systems Download PDF

Info

Publication number
CA2997040A1
CA2997040A1 CA2997040A CA2997040A CA2997040A1 CA 2997040 A1 CA2997040 A1 CA 2997040A1 CA 2997040 A CA2997040 A CA 2997040A CA 2997040 A CA2997040 A CA 2997040A CA 2997040 A1 CA2997040 A1 CA 2997040A1
Authority
CA
Canada
Prior art keywords
catalyst
molecular sieve
platinum
washcoat
sieve material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA2997040A
Other languages
English (en)
French (fr)
Inventor
Marcus Hilgendorff
Karifala Dumbuya
Claudia ZABEL
Susanne Stiebels
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
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 SE filed Critical BASF SE
Publication of CA2997040A1 publication Critical patent/CA2997040A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • B01D53/9477—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 separate bricks, e.g. exhaust systems
    • 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
    • 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
    • B01J23/46—Ruthenium, rhodium, osmium or iridium
    • B01J23/464—Rhodium
    • 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
    • B01J29/763—CHA-type, e.g. Chabazite, LZ-218
    • 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
    • B01J35/19—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
    • F01N3/18—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 methods of operation; Control
    • F01N3/20—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 methods of operation; Control specially adapted for catalytic conversion
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F01N3/2066—Selective catalytic reduction [SCR]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1021—Platinum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1025—Rhodium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/204—Alkaline earth metals
    • B01D2255/2042—Barium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2063—Lanthanum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2065—Cerium
    • 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
    • B01D2255/20707—Titanium
    • 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
    • B01D2255/20715—Zirconium
    • 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
    • B01D2255/2073—Manganese
    • 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
    • B01D2255/20769—Molybdenum
    • 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
    • B01D2255/20776—Tungsten
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/209—Other metals
    • B01D2255/2092—Aluminium
    • 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
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/92—Dimensions
    • B01D2255/9205—Porosity
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
CA2997040A 2015-09-04 2016-08-29 Integrated scr and ammonia oxidation catalyst systems Abandoned CA2997040A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP15183947 2015-09-04
EP15183947.9 2015-09-04
PCT/EP2016/070292 WO2017037006A1 (en) 2015-09-04 2016-08-29 Integrated scr and ammonia oxidation catalyst systems

Publications (1)

Publication Number Publication Date
CA2997040A1 true CA2997040A1 (en) 2017-03-09

Family

ID=54065745

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2997040A Abandoned CA2997040A1 (en) 2015-09-04 2016-08-29 Integrated scr and ammonia oxidation catalyst systems

Country Status (9)

Country Link
US (1) US11213789B2 (cg-RX-API-DMAC7.html)
EP (1) EP3344384B1 (cg-RX-API-DMAC7.html)
JP (1) JP6885927B2 (cg-RX-API-DMAC7.html)
KR (1) KR102593060B1 (cg-RX-API-DMAC7.html)
CN (1) CN107949436B (cg-RX-API-DMAC7.html)
CA (1) CA2997040A1 (cg-RX-API-DMAC7.html)
MX (1) MX2018002701A (cg-RX-API-DMAC7.html)
RU (1) RU2018111984A (cg-RX-API-DMAC7.html)
WO (1) WO2017037006A1 (cg-RX-API-DMAC7.html)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10500571B2 (en) 2017-03-29 2019-12-10 Johnson Matthey Public Limited Company ASC with platinum group metal in multiple layers
US10828623B2 (en) * 2018-05-18 2020-11-10 Umicore Ag & Co. Kg Hydrocarbon trap catalyst
US10850264B2 (en) * 2018-05-18 2020-12-01 Umicore Ag & Co. Kg Hydrocarbon trap catalyst
CN112055613A (zh) * 2018-05-25 2020-12-08 巴斯夫欧洲公司 含稀土元素的富铝沸石材料
CN108722477B (zh) * 2018-06-06 2021-01-15 中国科学院过程工程研究所 一种抗碱中毒高效脱硝催化剂及其制备方法和应用
WO2020040944A1 (en) * 2018-08-22 2020-02-27 Basf Corporation Advanced nox reduction catalysts
US11724249B2 (en) * 2018-10-23 2023-08-15 N.E. Chemcat Corporation Cu—P co-supported zeolite, and selective catalytic reduction catalyst and catalyst for exhaust gas using same
JP7447107B2 (ja) * 2018-10-30 2024-03-11 ビーエーエスエフ コーポレーション フィルター基板の選択的接触還元触媒
JP7603200B2 (ja) * 2018-10-30 2024-12-20 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 前交換した銅ゼオライト材料におけるｉｎ－ｓｉｔｕ銅イオン交換
CN111219236A (zh) * 2018-11-23 2020-06-02 汪利峰 柴油机尾气的后处理系统
US10669908B1 (en) 2018-12-03 2020-06-02 Wellhead Power Solutions, Llc Power generating systems and methods for reducing startup NOx emissions in fossile fueled power generation system
US11786887B2 (en) * 2018-12-06 2023-10-17 Basf Se Aqueous suspension comprising a zeolitic material and a zirconium chelate complex
CN114072223B (zh) * 2019-03-11 2024-05-24 印度商宜诺摩托克普有限公司 用于处理机动车排气的催化剂系统及其制造方法
CN113811380A (zh) * 2019-05-21 2021-12-17 巴斯夫公司 用于柴油应用的氨氧化催化剂
CN110237858A (zh) * 2019-06-25 2019-09-17 无锡威孚环保催化剂有限公司 复合结构分子筛催化剂及其制备方法
EP3782727A1 (de) * 2019-08-20 2021-02-24 Umicore Ag & Co. Kg Katalysator zur reduzierung von ammoniak-emissionen
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
CN112412588A (zh) * 2019-08-20 2021-02-26 汪利峰 柴油机尾气后处理催化剂单元
KR102218996B1 (ko) * 2019-09-23 2021-02-22 희성촉매 주식회사 지지체에 망간이 도핑된 산화 촉매조성물
JP7725496B2 (ja) * 2020-04-01 2025-08-19 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 高アンモニア貯蔵能ｓｃｒ触媒
JP2024500370A (ja) 2020-12-14 2024-01-09 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 内燃機関からのＮＨ３及びＮＯｘ排出の削減のための触媒装置
CN112675901B (zh) * 2020-12-29 2023-06-20 惠州市瑞合环保科技有限公司 用于柴油机尾气处理的scr催化剂及其制备方法和应用
KR20230147151A (ko) * 2021-02-17 2023-10-20 바스프 코포레이션 암모니아 산화 촉매 및 이의 제조 방법
EP4286663A3 (en) * 2021-08-31 2024-03-06 Johnson Matthey Public Limited Company Transition metal incorporated alumina for improved three way catalysts
US20240269613A1 (en) * 2023-02-09 2024-08-15 Johnson Matthey Public Limited Company Transition metal incorporated alumina for improved three way catalysts

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1927963A (en) * 1932-08-18 1933-09-26 Grasselli Chemical Co Catalyst for ammonia oxidation
US3030181A (en) 1957-08-26 1962-04-17 Union Carbide Corp Crystalline zeolite r
GB868846A (en) 1957-08-26 1961-05-25 Union Carbide Corp Improvements in and relating to zeolites
YU195874A (en) * 1973-08-17 1982-05-31 Degussa Catalyst for the oxidation of ammonia
US4329162A (en) 1980-07-03 1982-05-11 Corning Glass Works Diesel particulate trap
US4544538A (en) 1982-07-09 1985-10-01 Chevron Research Company Zeolite SSZ-13 and its method of preparation
US4440871A (en) 1982-07-26 1984-04-03 Union Carbide Corporation Crystalline silicoaluminophosphates
US6162415A (en) 1997-10-14 2000-12-19 Exxon Chemical Patents Inc. Synthesis of SAPO-44
BR9912472A (pt) 1998-07-29 2001-04-17 Exxon Chemical Patents Inc Processos para fabricação de peneiras moleculares
US7229597B2 (en) 2003-08-05 2007-06-12 Basfd Catalysts Llc Catalyzed SCR filter and emission treatment system
US20100166628A1 (en) 2006-02-15 2010-07-01 Nicola Soeger Catalyst for reducing nitrogen-containing pollutants from the exhaust gases of diesel engines
CN101454065A (zh) 2006-05-31 2009-06-10 尤米科尔股份公司及两合公司 降低柴油发动机废气中含氮污染气体的催化剂
CN105251359A (zh) * 2007-02-27 2016-01-20 巴斯夫公司 用于选择性氨氧化的双功能催化剂
US7815289B2 (en) * 2007-08-31 2010-10-19 Lexmark International, Inc. Micro-fluid ejection heads and methods for bonding substrates to supports
US7821942B2 (en) 2008-08-01 2010-10-26 International Business Machines Corporation Controlling data flow through a data communications link
US8524185B2 (en) 2008-11-03 2013-09-03 Basf Corporation Integrated SCR and AMOx catalyst systems
DE102008055890A1 (de) * 2008-11-05 2010-05-12 Süd-Chemie AG Partikelminderung mit kombiniertem SCR- und NH3-Schlupf-Katalysator
US8293182B2 (en) 2010-05-05 2012-10-23 Basf Corporation Integrated SCR and AMOx catalyst systems
US20110286900A1 (en) * 2010-05-21 2011-11-24 Basf Corporation PGM-Zoned Catalyst for Selective Oxidation of Ammonia in Diesel Systems
US8535629B2 (en) 2010-12-02 2013-09-17 Johnson Matthey Public Limited Company Zeolite catalyst containing metal
GB201021887D0 (en) 2010-12-21 2011-02-02 Johnson Matthey Plc Oxidation catalyst for a lean burn internal combustion engine
US8722000B2 (en) * 2011-03-29 2014-05-13 Basf Corporation Multi-component filters for emissions control
EP2692437B1 (en) * 2011-03-31 2023-09-20 N.E. Chemcat Corporation Ammonia oxidation catalyst, exhaust gas purification device using same, and exhaust gas purification method
US8101146B2 (en) 2011-04-08 2012-01-24 Johnson Matthey Public Limited Company Catalysts for the reduction of ammonia emission from rich-burn exhaust
CA2888512C (en) * 2012-10-19 2020-09-22 Basf Corporation Mixed metal 8-ring small pore molecular sieve catalyst compositions, catalytic articles, systems and methods
RU2015125904A (ru) * 2012-11-30 2017-01-10 Джонсон Мэтти Паблик Лимитед Компани Катализатор окисления аммиака
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
JP6239305B2 (ja) * 2013-07-31 2017-11-29 イビデン株式会社 ハニカムフィルタ
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

Also Published As

Publication number Publication date
KR102593060B1 (ko) 2023-10-25
US11213789B2 (en) 2022-01-04
CN107949436A (zh) 2018-04-20
MX2018002701A (es) 2018-04-13
JP6885927B2 (ja) 2021-06-16
KR20180050687A (ko) 2018-05-15
WO2017037006A1 (en) 2017-03-09
CN107949436B (zh) 2021-11-12
RU2018111984A (ru) 2019-10-04
EP3344384B1 (en) 2025-03-26
US20190022584A1 (en) 2019-01-24
JP2018534126A (ja) 2018-11-22
EP3344384A1 (en) 2018-07-11
RU2018111984A3 (cg-RX-API-DMAC7.html) 2020-01-20

Similar Documents

Publication Publication Date Title
US11213789B2 (en) Integrated SCR and ammonia oxidation catalyst systems
CA2996032C (en) Exhaust gas treatment catalysts
KR102429402B1 (ko) Twc 촉매 및 scr-hct 촉매를 갖는 배출물 처리 시스템
US10792648B2 (en) Mixed metal large crystal molecular sieve catalyst compositions, catalytic articles, systems and methods
US11154815B2 (en) Exhaust gas treatment system
CA2972861C (en) Exhaust gas treatment system
KR102443392B1 (ko) 선택적 접촉 환원 물품 및 시스템
EP3674524A1 (en) Integrated scr and amox catalyst systems
CA2989133C (en) Exhaust gas treatment system
KR102471294B1 (ko) 수소-보조된 통합된 배출물 제어 시스템
KR102477786B1 (ko) 선택적 접촉 환원 물품 및 시스템
US20240109036A1 (en) Exhaust gas treatment system for reducing ammonia emissions from mobile gasoline applications
KR102471292B1 (ko) 통합된 배출물 제어 시스템

Legal Events

Date Code Title Description
FZDE Discontinued

Effective date: 20220301