Hierarchical Sn-Beta Zeolite Catalyst for the Conversion of Sugars to Alkyl Lactates

Hierarchical Sn-Beta Zeolite Catalyst for the Conversion of Sugars to Alkyl Lactates
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用于将糖转化为乳酸烷基酯的多级孔 Sn-Beta 沸石催化剂

DOI:
10.1021/acssuschemeng.6b02881
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发表时间:
2017-03
影响因子:
8.4
通讯作者:
Xiao Feng-Shou
Xiao Feng-Shou
中科院分区:
化学1区
文献类型:
--
作者:
Zhang Jian;Wang Liang;Wang Guoxiong;Chen Fang;Zhu Jie;Wang Chengtao;Bian Chaoqun;Pan Shuxiang;Xiao Feng-Shou

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人们迫切需要提高从糖中提取乳酸烷基酯的产量,但实现起来却充满挑战。在这里,我们报告了一种简单而有效的方法,通过使用分层的含锡 Beta 沸石 (Sn-Beta-H) 来实现这一目标。 Sn-Beta-H中的多级孔隙率有利于糖转化为生产乳酸烷基酯的重要中间体,与不良副反应竞争,因此在从多种糖生产乳酸烷基酯方面优于传统的Sn-沸石催化剂。特别是,以蔗糖为原料的乳酸烷基酯的收率高达72.1%。重要的是,Sn-Beta-H 很稳定,可以轻松回收五次,并具有恒定的催化性能。
Enhancing the yield of alkyl lactate from sugars is in great demand but challengeable to accomplish. Here we report a facile but efficient route to make this by employing a hierarchical and Sn-containing Beta zeolite (Sn-Beta-H). The hierarporosity in the Sn-Beta-H facilitates the conversion of sugars into important intermediates for producing alkyl lactate in the competition with undesirable side reactions, thus outperforming the conventional Sn-zeolite catalysts in yielding alkyl lactate from a wide scope of sugars. Particularly, the yield of alkyl lactate could reach as high as 72.1% from sucrose. Importantly, the Sn-Beta-H is stable and can be easily recycled for five times with constant catalytic performances.
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期刊: SCIENCE
影响因子: 56.9
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