CA3032554A1 - Selective catalytic reduction articles and systems having high nox conversion and low n2o formation - Google Patents

Selective catalytic reduction articles and systems having high nox conversion and low n2o formation Download PDF

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Publication number
CA3032554A1
CA3032554A1 CA3032554A CA3032554A CA3032554A1 CA 3032554 A1 CA3032554 A1 CA 3032554A1 CA 3032554 A CA3032554 A CA 3032554A CA 3032554 A CA3032554 A CA 3032554A CA 3032554 A1 CA3032554 A1 CA 3032554A1
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Prior art keywords
molecular sieve
substrate
containing molecular
catalytic reduction
selective catalytic
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CA3032554A
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English (en)
French (fr)
Inventor
Wen-Mei Xue
Jeff Yang
Stanley Roth
Kenneth E. Voss
Sandip Shah
Jaya L. Mohanan
Qi Fu
Subramanian PRASAD
Barbara Slawski
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BASF Corp
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BASF Corp
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    • 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
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/18—Ammonia
    • 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
    • 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

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  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Biomedical Technology (AREA)
  • Toxicology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
CA3032554A 2016-08-05 2017-08-04 Selective catalytic reduction articles and systems having high nox conversion and low n2o formation Pending CA3032554A1 (en)

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Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3281699A1 (de) * 2016-08-11 2018-02-14 Umicore AG & Co. KG Partikelfilter mit scr-aktiver beschichtung
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
CN110240178B (zh) * 2018-03-09 2021-04-23 中国科学院大连化学物理研究所 选择性吸分子筛及其制备方法
JP7150496B2 (ja) * 2018-06-27 2022-10-11 株式会社キャタラー 排ガス浄化用触媒及び排ガス浄化システム
EP4126303A1 (en) * 2020-03-30 2023-02-08 Basf Corporation A selective catalytic reduction catalyst and a process for preparing a selective catalytic reduction catalyst
US11712685B2 (en) * 2020-03-31 2023-08-01 Johnson Matthey Public Limited Company Ammonia slip catalyst with in-situ PT fixing
WO2021198339A1 (en) * 2020-04-01 2021-10-07 Basf Corporation High ammonia storage capacity scr catalysts
EP4259330A1 (en) * 2020-12-09 2023-10-18 BASF Corporation Preparation process of scr catalyst comprising cu and fe-exchanged zeolite, said catalyst, system comprising said catalyst and exhaust gas treatment using such
EP4095093A1 (en) * 2021-05-28 2022-11-30 Casale Sa Process for production of nitric acid provided with a secondary abatement treatment
CN114433202A (zh) * 2021-12-23 2022-05-06 惠州市瑞合环保科技有限公司 一种柴油机尾气净化scr催化剂及其涂敷工艺
CN114950576B (zh) * 2022-06-20 2023-08-22 济南大学 一种提高金属基小孔分子筛水热稳定性的方法及所得产品和应用
EP4414052A1 (en) * 2023-02-10 2024-08-14 Johnson Matthey Public Limited Company Scr catalyst article and systems for reducing n2o in exhaust gas
CN117299196B (zh) * 2023-11-30 2024-02-20 无锡威孚环保催化剂有限公司 一种低n2o生成量的scr催化剂及其制备方法
DE102024127335A1 (de) * 2024-09-23 2026-03-26 Clariant International Ltd Katalysator zur selektiven katalytischen reduktion oder zersetzung von lachgas

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4861739A (en) * 1987-06-04 1989-08-29 Uop Microporous crystalline composite compositions
US6689709B1 (en) 2000-11-15 2004-02-10 Engelhard Corporation Hydrothermally stable metal promoted zeolite beta for NOx reduction
RU2008128363A (ru) 2005-12-14 2010-01-20 Басф Каталистс Ллк (Us) ЦЕОЛИТНЫЙ КАТАЛИЗАТОР С УЛУЧШЕННЫМ ВОССТАНОВЛЕНИЕМ NOх В SCR
US10384162B2 (en) * 2007-03-26 2019-08-20 Pq Corporation High silica chabazite for selective catalytic reduction, methods of making and using same
JP6176891B2 (ja) * 2007-08-13 2017-08-09 ピーキュー コーポレイション 新規鉄含有アルミノケイ酸塩ゼオライト、ならびにその作製方法および使用方法
BRPI1015166A2 (pt) * 2009-04-17 2016-04-19 Johnson Matthey Plc método para usar um catalisador
DE102009040352A1 (de) * 2009-09-05 2011-03-17 Johnson Matthey Catalysts (Germany) Gmbh Verfahren zur Herstellung eines SCR aktiven Zeolith-Katalysators sowie SCR aktiver Zeolith-Katalysator
GB2475740B (en) * 2009-11-30 2017-06-07 Johnson Matthey Plc Catalysts for treating transient NOx emissions
US8293198B2 (en) * 2009-12-18 2012-10-23 Basf Corporation Process of direct copper exchange into Na+-form of chabazite molecular sieve, and catalysts, systems and methods
BR112014012818A2 (pt) 2011-12-02 2017-06-13 Pq Corp material cristalino microporoso estabilizado, o processo de fabricaçãodo mesmo, e o uso para redução catalítica seletiva de nox
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
PL2908946T3 (pl) * 2012-10-19 2021-03-08 Basf Corporation 8-pierścieniowe sito molekularne o małych porach jako katalizator wysokotemperaturowy scr
BR112015022271A2 (pt) * 2013-03-14 2019-09-10 Basf Corporation sistema catalisador de redução catalítica seletiva
CN105814292B (zh) * 2013-12-11 2018-11-30 株式会社科特拉 排气净化材料
JP6653661B2 (ja) 2014-02-28 2020-02-26 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 低温性能が改善されたｓｃｒ触媒及びその作製ならびに使用方法
JP2017512630A (ja) * 2014-02-28 2017-05-25 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 低温性能が改善されたｓｃｒ触媒及びその製造ならびに使用方法
GB2530129B (en) 2014-05-16 2016-10-26 Johnson Matthey Plc Catalytic article for treating exhaust gas
WO2016020806A1 (en) 2014-08-07 2016-02-11 Johnson Matthey Public Limited Company Zoned catalyst for treating exhaust gas
EP3229956A4 (en) * 2014-10-30 2018-06-27 BASF Corporation Mixed metal large crystal molecular sieve catalyst compositions, catalytic articles, systems and method
CN107548380B (zh) 2015-04-09 2021-12-21 Pq公司 稳定化的微孔晶态材料、其制备方法和用于NOx的选择性催化还原的用途

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MY200526A (en) 2023-12-30
MX2019001498A (es) 2019-07-08
ZA201901227B (en) 2023-04-26
BR112019001997A2 (pt) 2019-05-07
KR20190027392A (ko) 2019-03-14
RU2770116C2 (ru) 2022-04-14
KR102443392B1 (ko) 2022-09-15
US20190168199A1 (en) 2019-06-06
WO2018025244A1 (en) 2018-02-08
BR112019001997B1 (pt) 2023-04-18
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