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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    • C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
    • C01B39/026—After-treatment
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    • 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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  • Exhaust Gas After Treatment (AREA)
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ZA2019/01227A 2016-08-05 2019-02-26 Selective catalytic reduction articles and systems 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
WO2021198276A1 (en) * 2020-03-30 2021-10-07 Basf Corporation A selective catalytic reduction catalyst and a process for preparing a selective catalytic reduction catalyst
WO2021203121A1 (en) * 2020-03-31 2021-10-07 Johnson Matthey Public Limited Company Ammonia slip catalyst with in-situ pt fixing
US12296322B2 (en) * 2020-04-01 2025-05-13 Basf Mobile Emissions Catalysts Llc High ammonia storage capacity SCR catalysts
WO2022122799A1 (en) * 2020-12-09 2022-06-16 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

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
KR101394774B1 (ko) 2005-12-14 2014-05-15 바스프 카탈리스트 엘엘씨 ＳＣＲ에서의 ＮＯｘ 환원이 개선된 제올라이트 촉매
US10384162B2 (en) * 2007-03-26 2019-08-20 Pq Corporation High silica chabazite for selective catalytic reduction, methods of making and using same
CN102764590B (zh) * 2007-08-13 2015-05-13 Pq公司 含铁铝硅酸盐沸石及其制备和使用方法
WO2010121257A1 (en) * 2009-04-17 2010-10-21 Johnson Matthey Public Limited Company Small pore molecular sieve supported copper catalysts durable against lean/rich aging for the reduction of nitrogen oxides
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
KR102078083B1 (ko) 2011-12-02 2020-02-20 피큐 코포레이션 안정화된 미세다공성 결정상 물질, 이의 제조 방법 및 ＮＯｘ의 선택적 촉매 환원을 위한 용도
PL2908946T3 (pl) * 2012-10-19 2021-03-08 Basf Corporation 8-pierścieniowe sito molekularne o małych porach jako katalizator wysokotemperaturowy scr
MY169112A (en) * 2012-10-19 2019-02-18 Basf Corp Mixed metal 8-ring small pore molecular sieve catalyst compositions, catalytic articles, systems and methods
CA2900291A1 (en) * 2013-03-14 2014-10-02 Basf Corporation Selective catalytic reduction catalyst system
JP6532826B2 (ja) 2013-12-11 2019-06-19 株式会社キャタラー 排ガス浄化材
BR112016019834B1 (pt) 2014-02-28 2021-09-28 Johnson Matthey Public Limited Company Método para produzir um catalisador, e, ferrierita
DE112015001008T5 (de) 2014-02-28 2017-04-20 Johnson Matthey Public Limited Company SCR-Katalysatoren mit verbesserter Niedertemperaturleistung und Verfahren zur Herstellung und Verwendung derselben
GB2530129B (en) 2014-05-16 2016-10-26 Johnson Matthey Plc Catalytic article for treating exhaust gas
KR20170038927A (ko) 2014-08-07 2017-04-07 존슨 맛쎄이 퍼블릭 리미티드 컴파니 배기가스를 처리하기 위한 구역화된 촉매
MX388605B (es) * 2014-10-30 2025-03-20 Basf Mobile Emissions Catalysts Llc Composiciones catalizadoras de tamices moleculares de cristales grandes con metales mixtos, articulos cataliticos, sistemas y metodos.
BR112017021069B1 (pt) 2015-04-09 2022-03-29 Pq Corporation Material cristalino microporoso e métodos de produção e de redução catalítica seletiva de óxidos de nitrogênio em gás de exaustão

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BR112019001997B1 (pt) 2023-04-18
RU2770116C2 (ru) 2022-04-14
BR112019001997A2 (pt) 2019-05-07
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MX2019001498A (es) 2019-07-08
CN109790039B (zh) 2023-08-04
JP7155108B2 (ja) 2022-10-18
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US11344868B2 (en) 2022-05-31
CN109790039A (zh) 2019-05-21
KR102443392B1 (ko) 2022-09-15
JP2019531244A (ja) 2019-10-31
WO2018025244A1 (en) 2018-02-08
CA3032554A1 (en) 2018-02-08
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