CN109790039B - 选择性催化还原制品和系统 - Google Patents
选择性催化还原制品和系统 Download PDFInfo
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- CN109790039B CN109790039B CN201780061410.9A CN201780061410A CN109790039B CN 109790039 B CN109790039 B CN 109790039B CN 201780061410 A CN201780061410 A CN 201780061410A CN 109790039 B CN109790039 B CN 109790039B
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- molecular sieve
- substrate
- containing molecular
- catalytic reduction
- selective catalytic
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- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- 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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- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
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| PCT/IB2017/054803 WO2018025244A1 (en) | 2016-08-05 | 2017-08-04 | Selective catalytic reduction articles and systems |
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| 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104736243A (zh) * | 2012-10-19 | 2015-06-24 | 巴斯夫公司 | 混合金属8环小孔分子筛催化剂组合物、催化制品、体系和方法 |
| CN104755164A (zh) * | 2012-10-19 | 2015-07-01 | 巴斯夫公司 | 作为高温scr催化剂的8环小孔分子筛 |
Family Cites Families (18)
| 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 |
| 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 |
-
2017
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- 2017-08-04 KR KR1020197006440A patent/KR102443392B1/ko active Active
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104736243A (zh) * | 2012-10-19 | 2015-06-24 | 巴斯夫公司 | 混合金属8环小孔分子筛催化剂组合物、催化制品、体系和方法 |
| CN104755164A (zh) * | 2012-10-19 | 2015-07-01 | 巴斯夫公司 | 作为高温scr催化剂的8环小孔分子筛 |
Non-Patent Citations (2)
| Title |
|---|
| The effect of iron loading and hydrothermal aging on one-pot synthesized Fe/SAPO-34 for ammonia SCR;Stanislava等;《Applied Catalysis B: Environmental》;20150715;第180卷;第775-787页 * |
| The impact of urea on the performance of metal-exchanged zeolites for the selective catalytic reduction of NOx—Part II. Catalytic, FTIR, and NMR studies;Maik Eichelbaum等;《Applied Catalysis B: Environmental》;20100327;第97卷;98-207页 * |
Also Published As
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| US20190168199A1 (en) | 2019-06-06 |
| MY200526A (en) | 2023-12-30 |
| EP3494089A1 (en) | 2019-06-12 |
| BR112019001997B1 (pt) | 2023-04-18 |
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| BR112019001997A2 (pt) | 2019-05-07 |
| RU2019106040A (ru) | 2020-09-07 |
| MX2019001498A (es) | 2019-07-08 |
| ZA201901227B (en) | 2023-04-26 |
| JP7155108B2 (ja) | 2022-10-18 |
| RU2019106040A3 (enExample) | 2020-11-27 |
| 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 |
| EP3494089A4 (en) | 2020-09-16 |
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