GB2570831A - Method of extending the useful life of an aged SCR catalyst bed in an exhaust system of a stationary source of NOx - Google Patents

Method of extending the useful life of an aged SCR catalyst bed in an exhaust system of a stationary source of NOx Download PDF

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Publication number
GB2570831A
GB2570831A GB1906751.1A GB201906751A GB2570831A GB 2570831 A GB2570831 A GB 2570831A GB 201906751 A GB201906751 A GB 201906751A GB 2570831 A GB2570831 A GB 2570831A
Authority
GB
United Kingdom
Prior art keywords
exhaust gas
catalyst
aged
catalyst bed
ppm
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.)
Withdrawn
Application number
GB1906751.1A
Other languages
English (en)
Other versions
GB201906751D0 (en
Inventor
Joseph Andersen Paul
Doura Kevin
Khalaf Cindy
Repp David
Yeh Thomas
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.)
Johnson Matthey PLC
Original Assignee
Johnson Matthey PLC
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 Johnson Matthey PLC filed Critical Johnson Matthey PLC
Publication of GB201906751D0 publication Critical patent/GB201906751D0/en
Publication of GB2570831A publication Critical patent/GB2570831A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/30—Exhaust heads, chambers, or the like
    • F01D25/305—Exhaust heads, chambers, or the like with fluid, e.g. liquid injection
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series
    • 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
    • F01N3/105—General auxiliary catalysts, e.g. upstream or downstream of the main catalyst
    • F01N3/106—Auxiliary oxidation catalysts
    • 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]
    • 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
    • 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
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/40—Retrofitting exhaust apparatus
    • 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
    • F01N2570/18—Ammonia
    • 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
    • F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
    • F01N2590/10—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for stationary applications
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Materials Engineering (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
GB1906751.1A 2016-12-01 2017-11-29 Method of extending the useful life of an aged SCR catalyst bed in an exhaust system of a stationary source of NOx Withdrawn GB2570831A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201662428589P 2016-12-01 2016-12-01
PCT/GB2017/053599 WO2018100368A1 (en) 2016-12-01 2017-11-29 METHOD OF EXTENDING THE USEFUL LIFE OF AN AGED SCR CATALYST BED IN AN EXHAUST SYSTEM OF A STATIONARY SOURCE OF NOx

Publications (2)

Publication Number Publication Date
GB201906751D0 GB201906751D0 (en) 2019-06-26
GB2570831A true GB2570831A (en) 2019-08-07

Family

ID=60812092

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1906751.1A Withdrawn GB2570831A (en) 2016-12-01 2017-11-29 Method of extending the useful life of an aged SCR catalyst bed in an exhaust system of a stationary source of NOx

Country Status (7)

Country Link
US (1) US10961871B2 (enExample)
EP (1) EP3548720B1 (enExample)
JP (1) JP7624802B2 (enExample)
KR (1) KR20190086544A (enExample)
CN (1) CN110050110B (enExample)
GB (1) GB2570831A (enExample)
WO (1) WO2018100368A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110449181A (zh) * 2019-08-16 2019-11-15 中国汽车技术研究中心有限公司 一种分子筛催化涂层剩余浆料重复再利用方法及其在scr中的应用
JP7763777B2 (ja) * 2020-04-09 2025-11-04 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 ＮＯの酸化、ＮＨ３の酸化、ＮＯｘの選択的触媒還元のための多機能触媒
CN113713608A (zh) * 2021-08-26 2021-11-30 复旦大学 一种用于CO和NOx同时去除的催化剂联用方法
US11635010B1 (en) 2021-10-05 2023-04-25 Umicore Ag & Co. Kg Combustion turbine and heat recovery system combination with SCR reactor assembly, and methods of assembling and using the same

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008132452A2 (en) * 2007-04-26 2008-11-06 Johnson Matthey Public Limited Company Transition metal/zeolite scr catalysts
WO2011045252A1 (en) * 2009-10-14 2011-04-21 Basf Se Copper containing levyne molecular sieve for selective reduction of nox
WO2014083431A2 (en) * 2012-11-30 2014-06-05 Johnson Matthey Public Limited Company Ammonia oxidation catalyst
WO2014085354A1 (en) * 2012-11-30 2014-06-05 Corning Incorporated Method, apparatus, and system to control selective catalytic reduction (scr) catalyst ammonia slip during high temperature transitions
US20140260199A1 (en) * 2013-03-15 2014-09-18 Caterpillar Inc. System and Method for Post-Shutdown Temperature Management and Purge
WO2015017516A2 (en) * 2013-07-30 2015-02-05 Johnson Matthey Public Limited Company Ammonia slip catalyst
GB2538132A (en) * 2015-02-20 2016-11-09 Johnson Matthey Plc Exhaust system for power generating apparatus

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3935417B2 (ja) * 2002-11-01 2007-06-20 中国電力株式会社 脱硝触媒管理方法および脱硝触媒管理装置
US7390471B2 (en) 2005-11-17 2008-06-24 Siemens Power Generation, Inc. Apparatus and method for catalytic treatment of exhaust gases
US7727499B2 (en) 2007-09-28 2010-06-01 Basf Catalysts Llc Ammonia oxidation catalyst for power utilities
GB0809841D0 (en) * 2008-05-30 2008-07-09 Johnson Matthey Plc System for treating a gas stream
US8329127B2 (en) * 2010-09-15 2012-12-11 Johnson Matthey Public Limited Company Combined slip catalyst and hydrocarbon exotherm catalyst
KR101870397B1 (ko) * 2011-05-31 2018-07-19 존슨 맛쎄이 퍼블릭 리미티드 컴파니 이중 기능 촉매 필터
WO2013147653A1 (en) * 2012-03-29 2013-10-03 Volvo Construction Equipment Ab Method for diagnosing a selective catalytic reduction catalyst
GB2531640A (en) * 2013-01-29 2016-04-27 Johnson Matthey Plc Ammonia oxidation catalyst
DE102014001880A1 (de) * 2014-02-14 2015-08-20 Deutz Aktiengesellschaft Verfahren zum Reinigen von Dieselmotorenabgassen
US9517437B2 (en) 2015-03-02 2016-12-13 General Electric Company Systems and methods for controlling aftertreatment systems
US10792615B2 (en) * 2015-03-30 2020-10-06 Basf Corporation Catalyzed filters with end coating for lean engine exhaust
KR102531436B1 (ko) * 2015-06-18 2023-05-12 존슨 맛쎄이 퍼블릭 리미티드 컴파니 낮은 n2o 형성을 가진 암모니아 슬립 촉매
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008132452A2 (en) * 2007-04-26 2008-11-06 Johnson Matthey Public Limited Company Transition metal/zeolite scr catalysts
WO2011045252A1 (en) * 2009-10-14 2011-04-21 Basf Se Copper containing levyne molecular sieve for selective reduction of nox
WO2014083431A2 (en) * 2012-11-30 2014-06-05 Johnson Matthey Public Limited Company Ammonia oxidation catalyst
WO2014085354A1 (en) * 2012-11-30 2014-06-05 Corning Incorporated Method, apparatus, and system to control selective catalytic reduction (scr) catalyst ammonia slip during high temperature transitions
US20140260199A1 (en) * 2013-03-15 2014-09-18 Caterpillar Inc. System and Method for Post-Shutdown Temperature Management and Purge
WO2015017516A2 (en) * 2013-07-30 2015-02-05 Johnson Matthey Public Limited Company Ammonia slip catalyst
GB2538132A (en) * 2015-02-20 2016-11-09 Johnson Matthey Plc Exhaust system for power generating apparatus

Also Published As

Publication number Publication date
US10961871B2 (en) 2021-03-30
US20190383174A1 (en) 2019-12-19
JP2020515752A (ja) 2020-05-28
KR20190086544A (ko) 2019-07-22
EP3548720B1 (en) 2021-03-17
WO2018100368A1 (en) 2018-06-07
CN110050110A (zh) 2019-07-23
GB201906751D0 (en) 2019-06-26
CN110050110B (zh) 2021-07-06
JP7624802B2 (ja) 2025-02-07
EP3548720A1 (en) 2019-10-09

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