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Recent advances in the preparation of zeolites for the selective catalytic reduction of NOx in diesel engines
Reaction Chemistry & Engineering ( IF 3.4 ) Pub Date : 2018-11-21 00:00:00 , DOI: 10.1039/c8re00214b Ling Zhang 1, 2, 3, 4 , Qinming Wu 1, 2, 3, 4 , Xiangju Meng 1, 2, 3, 4 , Ulrich Müller 5, 6, 7, 8 , Mathias Feyen 5, 6, 7, 8 , Daniel Dai 4, 9, 10 , Stefan Maurer 4, 9, 10 , Robert McGuire 5, 6, 7, 8 , Ahmad Moini 11, 12, 13, 14 , Andrei-Nicolae Parvulescu 5, 6, 7, 8 , Weiping Zhang 4, 15, 16, 17 , Chuan Shi 4, 15, 16, 17 , Toshiyuki Yokoi 18, 19, 20, 21 , Xiulian Pan 4, 22, 23, 24 , Xinhe Bao 4, 22, 23, 24 , Hermann Gies 8, 25, 26, 27 , Bernd Marler 8, 25, 26, 27 , Dirk E. De Vos 28, 29, 30, 31 , Ute Kolb 8, 32, 33, 34 , Feng-Shou Xiao 1, 2, 3, 4
Reaction Chemistry & Engineering ( IF 3.4 ) Pub Date : 2018-11-21 00:00:00 , DOI: 10.1039/c8re00214b Ling Zhang 1, 2, 3, 4 , Qinming Wu 1, 2, 3, 4 , Xiangju Meng 1, 2, 3, 4 , Ulrich Müller 5, 6, 7, 8 , Mathias Feyen 5, 6, 7, 8 , Daniel Dai 4, 9, 10 , Stefan Maurer 4, 9, 10 , Robert McGuire 5, 6, 7, 8 , Ahmad Moini 11, 12, 13, 14 , Andrei-Nicolae Parvulescu 5, 6, 7, 8 , Weiping Zhang 4, 15, 16, 17 , Chuan Shi 4, 15, 16, 17 , Toshiyuki Yokoi 18, 19, 20, 21 , Xiulian Pan 4, 22, 23, 24 , Xinhe Bao 4, 22, 23, 24 , Hermann Gies 8, 25, 26, 27 , Bernd Marler 8, 25, 26, 27 , Dirk E. De Vos 28, 29, 30, 31 , Ute Kolb 8, 32, 33, 34 , Feng-Shou Xiao 1, 2, 3, 4
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Metal-exchanged zeolites with small pore sizes have attracted much attention in recent years due to their application in the selective catalytic reduction (SCR) of NOx in diesel engines. Typically, copper-chabazite (e.g. Cu-SSZ-13) has been gradually used as an SCR catalyst in heavy-duty diesel vehicles over the last decade due to its relatively excellent catalytic performance and stability. However, most SSZ-13 zeolites are still prepared via the traditional hydrothermal process in the presence of organic templates, requiring consecutive solid separation and thermal treatment steps to achieve the final zeolite products. In recent years, several strategies for the environmentally friendly preparation of zeolites have been reported, which are also applicable for the synthesis of zeolites for emission control applications. These concepts include copper–amine templating, organotemplate-free synthesis, and solvent-free synthesis. In this review, we briefly summarize the potential advantages of the environmentally friendly synthesis of zeolites for SCR.
中文翻译：
用于选择性催化还原柴油机NOx的沸石制备的最新进展
由于金属交换沸石在柴油机中NOx的选择性催化还原（SCR）中的应用，近年来引起了人们的广泛关注。通常，由于其相对优异的催化性能和稳定性，在过去的十年中，菱沸石铜（例如Cu-SSZ-13）已逐渐用作重型柴油车辆的SCR催化剂。但是，大多数SSZ-13沸石仍是通过在存在有机模板的情况下，传统的水热工艺需要连续的固体分离和热处理步骤才能获得最终的沸石产品。近年来，已经报道了几种环保制备沸石的策略，这些策略也可用于合成用于排放控制的沸石。这些概念包括铜胺模板，无有机模板合成和无溶剂合成。在这篇综述中，我们简要总结了环保合成SCR沸石的潜在优势。
更新日期：2018-11-21
中文翻译：
用于选择性催化还原柴油机NOx的沸石制备的最新进展
由于金属交换沸石在柴油机中NOx的选择性催化还原（SCR）中的应用，近年来引起了人们的广泛关注。通常，由于其相对优异的催化性能和稳定性，在过去的十年中，菱沸石铜（例如Cu-SSZ-13）已逐渐用作重型柴油车辆的SCR催化剂。但是，大多数SSZ-13沸石仍是通过在存在有机模板的情况下，传统的水热工艺需要连续的固体分离和热处理步骤才能获得最终的沸石产品。近年来，已经报道了几种环保制备沸石的策略，这些策略也可用于合成用于排放控制的沸石。这些概念包括铜胺模板，无有机模板合成和无溶剂合成。在这篇综述中，我们简要总结了环保合成SCR沸石的潜在优势。
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