CN111818999B - 用于排放处理系统的催化剂制品 - Google Patents

用于排放处理系统的催化剂制品 Download PDF

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CN111818999B
CN111818999B CN201980018158.2A CN201980018158A CN111818999B CN 111818999 B CN111818999 B CN 111818999B CN 201980018158 A CN201980018158 A CN 201980018158A CN 111818999 B CN111818999 B CN 111818999B
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catalyst
substrate
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catalyst article
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CN111818999A (zh
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卡内沙林姆·阿鲁拉吉
盖伊·理查德·钱德勒
雷纳·莱佩尔特
安德鲁·纽曼
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Johnson Matthey PLC
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    • F01N3/24Exhaust 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
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    • B01J2229/00Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/10After treatment, characterised by the effect to be obtained
    • B01J2229/20After treatment, characterised by the effect to be obtained to introduce other elements in the catalyst composition comprising the molecular sieve, but not specially in or on the molecular sieve itself
    • 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
    • B01J2229/30After treatment, characterised by the means used
    • B01J2229/42Addition of matrix or binder particles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2523/00Constitutive chemical elements of heterogeneous catalysts
    • 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
    • B01J37/0215Coating
    • B01J37/0225Coating of metal substrates
    • 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
    • F01N2330/00Structure of catalyst support or particle filter
    • F01N2330/02Metallic plates or honeycombs, e.g. superposed or rolled-up corrugated or otherwise deformed sheet metal
    • F01N2330/04Methods of manufacturing
    • 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
    • F01N2330/00Structure of catalyst support or particle filter
    • F01N2330/60Discontinuous, uneven properties of filter material, e.g. different material thickness along the longitudinal direction; Higher filter capacity upstream than downstream in same housing
    • 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
    • F01N2370/00Selection of materials for exhaust purification
    • F01N2370/02Selection of materials for exhaust purification used in catalytic reactors
    • F01N2370/04Zeolitic material
    • 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
    • F01N2510/00Surface coverings
    • F01N2510/06Surface coverings for exhaust purification, e.g. catalytic reaction
    • 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
    • F01N2510/00Surface coverings
    • F01N2510/06Surface coverings for exhaust purification, e.g. catalytic reaction
    • F01N2510/068Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings
    • F01N2510/0682Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings having a discontinuous, uneven or partially overlapping coating of catalytic material, e.g. higher amount of material upstream than downstream or vice versa
    • 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
    • F01N2510/00Surface coverings
    • F01N2510/06Surface coverings for exhaust purification, e.g. catalytic reaction
    • F01N2510/068Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings
    • F01N2510/0684Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings having more than one coating layer, e.g. multi-layered coatings
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

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Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201705158D0 (en) 2017-03-30 2017-05-17 Johnson Matthey Plc Catalyst article for use in a emission treatment system
KR20220069934A (ko) 2019-09-27 2022-05-27 존슨 매세이 카탈리스츠 (저머니) 게엠베하 고정형 방출원 배기 가스에서 CO 및 NOx 둘 모두를 처리하기 위한 다기능 촉매 물품
CN115297947A (zh) * 2020-04-09 2022-11-04 巴斯夫公司 用于氧化NO、氧化NH3和选择性催化还原NOx的多功能催化剂
WO2023061219A1 (en) * 2021-10-12 2023-04-20 Johnson Matthey (Shanghai) Chemicals Limited Novel zoned catalysts for cng engine exhaust gas treatments with improved ammonia emission control
CN113996309B (zh) * 2021-11-23 2023-12-26 国能龙源催化剂江苏有限公司 一种co协同脱除高强scr催化剂的制备方法
EP4414051A1 (en) 2023-02-10 2024-08-14 Johnson Matthey Public Limited Company System for treating exhaust gas from nitrogen-containing-fuel- or hydrogen-combustor
EP4414052A1 (en) 2023-02-10 2024-08-14 Johnson Matthey Public Limited Company Scr catalyst article and systems for reducing n2o in exhaust gas
JP7504252B1 (ja) 2023-03-14 2024-06-21 株式会社キャタラー 排ガス浄化触媒装置及び排ガス浄化触媒システム
GB202402672D0 (en) 2024-02-26 2024-04-10 Johnson Matthey Plc Process and system
EP4610474A1 (en) * 2024-03-01 2025-09-03 Liebherr-Components Colmar SAS Exhaust gas aftertreatment system for an ammonia fueled internal combustion engine
CN119926525B (zh) * 2025-03-21 2025-11-11 中自科技股份有限公司 一种低空速scr催化剂及其制备方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103842076A (zh) * 2011-08-03 2014-06-04 庄信万丰股份有限公司 挤出蜂窝状催化剂
CN105555403A (zh) * 2013-07-30 2016-05-04 庄信万丰股份有限公司 氨逸出催化剂
CN106714939A (zh) * 2014-08-15 2017-05-24 庄信万丰股份有限公司 用于处理废气的分区的催化剂
WO2018010804A1 (en) * 2016-07-14 2018-01-18 Umicore Ag & Co. Kg Vanadium trapping scr system
CN107847918A (zh) * 2015-06-18 2018-03-27 庄信万丰股份有限公司 单层或双层氨泄漏催化剂
CN107847864A (zh) * 2015-06-18 2018-03-27 庄信万丰股份有限公司 在具有scr催化剂的系统中在asc之前没有doc且具有充当doc的asc的排气系统

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5152363A (https=) * 1974-11-01 1976-05-08 Hitachi Ltd
GB9805815D0 (en) 1998-03-19 1998-05-13 Johnson Matthey Plc Manufacturing process
JP4822740B2 (ja) * 2005-05-18 2011-11-24 株式会社日本触媒 排ガス処理触媒および排ガス処理方法
GB2457651A (en) 2008-01-23 2009-08-26 Johnson Matthey Plc Catalysed wall-flow filter
TWI478767B (zh) * 2009-04-23 2015-04-01 崔貝克工業股份有限公司 用於使廢氣進行選擇性催化還原反應之催化劑組成物
RU2570454C2 (ru) 2010-02-01 2015-12-10 Джонсон Мэтти Плс Экструдированный scr-фильтр
KR102018484B1 (ko) * 2011-06-05 2019-09-05 존슨 맛쎄이 퍼블릭 리미티드 컴파니 배기 가스를 처리하기 위한 백금족 금속(pgm) 촉매
BR112014018506A8 (pt) * 2012-01-31 2017-07-11 Johnson Matthey Plc Composição de catalisador, método para tratar nox, e, artigo catalítico
GB2510284B (en) * 2012-08-17 2016-01-06 Johnson Matthey Plc Zeolite promoted v/ti/w catalysts
KR20150091343A (ko) * 2012-11-30 2015-08-10 존슨 맛쎄이 퍼블릭 리미티드 컴파니 암모니아 산화 촉매
WO2014120645A1 (en) * 2013-01-29 2014-08-07 Johnson Matthey Public Limited Company Ammonia oxidation catalyst
JP6157916B2 (ja) * 2013-04-30 2017-07-05 三菱日立パワーシステムズ株式会社 脱硝触媒およびその製造方法
WO2015172000A1 (en) * 2014-05-09 2015-11-12 Johnson Matthey Public Limited Company Ammonia slip catalyst having platinum impregnated on high porosity substrates
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
DE102015212356A1 (de) * 2014-07-02 2016-03-03 Johnson Matthey Public Limited Company Perowskit mit einer Deckschicht-SCR-Komponente als Ammoniakoxidationskatalysator und System zur Abgasreinigung bei Dieselmotoren
KR20170038927A (ko) * 2014-08-07 2017-04-07 존슨 맛쎄이 퍼블릭 리미티드 컴파니 배기가스를 처리하기 위한 구역화된 촉매
JP7249099B2 (ja) * 2014-11-19 2023-03-30 ジョンソン、マッセイ、パブリック、リミテッド、カンパニー 低温排出制御のためのscrとpnaの組み合わせ
US12203403B2 (en) * 2015-03-19 2025-01-21 Basf Mobile Emissions Catalysts Llc Filter catalyzed with SCR catalyst, systems and methods
JP6895894B2 (ja) * 2015-03-30 2021-06-30 ビーエーエスエフ コーポレーション ディーゼル排出物制御のための多機能フィルタ
JP6916117B2 (ja) 2015-06-18 2021-08-11 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 低n2o形成性を有するアンモニアスリップ触媒
CN107847863B (zh) * 2015-06-18 2021-08-27 庄信万丰股份有限公司 分区的排气系统
US10201807B2 (en) * 2015-06-18 2019-02-12 Johnson Matthey Public Limited Company Ammonia slip catalyst designed to be first in an SCR system
DE102016111000A1 (de) * 2015-06-18 2016-12-22 Johnson Matthey Public Limited Company Gegen NH3-Überdosierung toleranter SCR-Katalysator
WO2017055857A1 (en) * 2015-09-29 2017-04-06 Nunn, Andrew Dominic Zoned ammonia slip catalyst for use in combustion turbines
KR20180059896A (ko) * 2015-09-29 2018-06-05 존슨 맛쎄이 퍼블릭 리미티드 컴파니 그을음 촉매 및 scr 촉매를 갖는 촉매 필터
GB2547288B (en) * 2016-02-03 2021-03-17 Johnson Matthey Plc Catalyst for oxidising ammonia
GB2556187A (en) * 2016-09-22 2018-05-23 Johnson Matthey Plc Ruthenium supported on supports having a rutile phase as stable catalysts for NH3-SLIP applications
GB2556453A (en) * 2016-10-26 2018-05-30 Johnson Matthey Plc Hydrocarbon injection through small pore CU-zeolite catalyst
EP3532196A1 (en) * 2016-10-31 2019-09-04 Johnson Matthey Public Limited Company Lta catalysts having extra-framework iron and/or manganese for treating exhaust gas
GB2562160B (en) * 2017-03-20 2021-06-23 Johnson Matthey Plc Catalytic wall-flow filter with an ammonia slip catalyst
US10500571B2 (en) * 2017-03-29 2019-12-10 Johnson Matthey Public Limited Company ASC with platinum group metal in multiple layers
JP7224299B2 (ja) * 2017-03-30 2023-02-17 ジョンソン、マッセイ、パブリック、リミテッド、カンパニー 後方集中の発熱発生を有するasc/dec
DE102018107548A1 (de) * 2017-03-30 2018-10-04 Johnson Matthey Public Limited Company Eng gekoppeltes system von scr mit turbo und asc/doc
WO2018183604A1 (en) * 2017-03-30 2018-10-04 Johnson Matthey Public Limited Company Platinum group metal and base metal on a molecular sieve for pna-scr-asc close-coupled systems
EP3600657B1 (en) * 2017-03-30 2022-02-16 Johnson Matthey Public Limited Company Single brick scr/asc/pna/doc close-coupled catalyst
GB201705158D0 (en) * 2017-03-30 2017-05-17 Johnson Matthey Plc Catalyst article for use in a emission treatment system
GB201705241D0 (en) * 2017-03-31 2017-05-17 Johnson Matthey Catalysts (Germany) Gmbh Catalyst composition
EP3723892A1 (en) * 2017-12-13 2020-10-21 Johnson Matthey Public Limited Company Improved nh3 abatement with greater selectivity to n2
GB2573391B (en) * 2018-03-14 2022-10-26 Johnson Matthey Plc Ammonia slip catalyst with in-situ Pt fixing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103842076A (zh) * 2011-08-03 2014-06-04 庄信万丰股份有限公司 挤出蜂窝状催化剂
CN105555403A (zh) * 2013-07-30 2016-05-04 庄信万丰股份有限公司 氨逸出催化剂
CN106714939A (zh) * 2014-08-15 2017-05-24 庄信万丰股份有限公司 用于处理废气的分区的催化剂
CN107847918A (zh) * 2015-06-18 2018-03-27 庄信万丰股份有限公司 单层或双层氨泄漏催化剂
CN107847864A (zh) * 2015-06-18 2018-03-27 庄信万丰股份有限公司 在具有scr催化剂的系统中在asc之前没有doc且具有充当doc的asc的排气系统
WO2018010804A1 (en) * 2016-07-14 2018-01-18 Umicore Ag & Co. Kg Vanadium trapping scr system

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GB201903962D0 (en) 2019-05-08
GB201805312D0 (en) 2018-05-16
EP3774032A1 (en) 2021-02-17
JP2021517508A (ja) 2021-07-26
BR112020018712A2 (pt) 2020-12-29
WO2019186121A1 (en) 2019-10-03
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US11225895B2 (en) 2022-01-18
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