ZA201901227B - Selective catalytic reduction articles and systems - Google Patents

Selective catalytic reduction articles and systems

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Publication number
ZA201901227B
ZA201901227B ZA2019/01227A ZA201901227A ZA201901227B ZA 201901227 B ZA201901227 B ZA 201901227B ZA 2019/01227 A ZA2019/01227 A ZA 2019/01227A ZA 201901227 A ZA201901227 A ZA 201901227A ZA 201901227 B ZA201901227 B ZA 201901227B
Authority
ZA
South Africa
Prior art keywords
systems
catalytic reduction
selective catalytic
reduction articles
articles
Prior art date
Application number
ZA2019/01227A
Other languages
English (en)
Inventor
Xue Wen-Mei
yang Jeff
Roth Stanley
E Voss Kenneth
Shah Sandip
L Mohanan Jaya
Fu Qi
Prasad Subramanian
Slawski Barbara
Original Assignee
Basf Corp
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 Corp filed Critical Basf Corp
Publication of ZA201901227B publication Critical patent/ZA201901227B/en

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Families Citing this family (13)

* 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
BR112022019555A2 (pt) * 2020-03-30 2022-11-16 Basf Corp Processo para preparar um catalisador, catalisador para a redução catalítica seletiva, sistema de tratamento de gases de escape e catalisador de tratamento de gases de escape
EP4126348A1 (en) * 2020-03-31 2023-02-08 Johnson Matthey Public Limited Company Ammonia slip catalyst with in-situ pt fixing
EP4126312A1 (en) * 2020-04-01 2023-02-08 BASF Corporation High ammonia storage capacity scr catalysts
CN116685400A (zh) * 2020-12-09 2023-09-01 巴斯夫公司 包含Cu和Fe交换的沸石的SCR催化剂的制备方法,所述催化剂,包含所述催化剂的系统和使用所述催化剂的排气处理
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

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
JP5261189B2 (ja) * 2005-12-14 2013-08-14 ビーエーエスエフ コーポレーション Nox選択的触媒還元効率の改善されたゼオライト触媒
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
CN102802791A (zh) * 2009-04-17 2012-11-28 约翰逊马西有限公司 用于还原氮氧化物、能耐受贫燃/富燃老化的小孔分子筛负载铜催化剂
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
JP6664961B2 (ja) * 2012-10-19 2020-03-13 ビーエーエスエフ コーポレーション 高温scr触媒としての8員環小孔分子ふるい
MX2015011264A (es) * 2013-03-14 2016-04-28 Basf Corp Sistema de catalizadores para reduccion catalitica selectiva.
JP6532826B2 (ja) 2013-12-11 2019-06-19 株式会社キャタラー 排ガス浄化材
EP3110548A1 (en) * 2014-02-28 2017-01-04 Johnson Matthey Public Limited Company Scr catalysts having improved low temperature performance, and methods of making and using the same
WO2015128663A1 (en) * 2014-02-28 2015-09-03 Johnson Matthey Public Limited Company Scr catalysts having improved low temperature performance, and methods of making and using the same
GB2530129B (en) 2014-05-16 2016-10-26 Johnson Matthey Plc Catalytic article for treating exhaust gas
CN106714940B (zh) 2014-08-07 2019-12-24 庄信万丰股份有限公司 用于处理废气的分区的催化剂
JP2017534447A (ja) 2014-10-30 2017-11-24 ビーエーエスエフ コーポレーション 混合金属型の大結晶モレキュラーシーブ触媒組成物、触媒物品、システムおよび方法
JP6503473B2 (ja) 2015-04-09 2019-04-17 ピーキュー コーポレイション 安定化されたマイクロポーラス結晶性物質、それを作成する方法、およびNOxの選択的触媒還元のためのその使用

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CN109790039A (zh) 2019-05-21
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BR112019001997A2 (pt) 2019-05-07
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