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个人信息Personal Information
教授
博士生导师
硕士生导师
任职 : 曾是Chemical Engineering Journal 国际杂志编委（2007-2017）
性别：男
毕业院校：大连理工大学
学位：博士
所在单位：化工学院
学科：化学工艺. 膜科学与技术. 功能材料化学与化工
办公地点：西校区化工实验楼C427.
联系方式：0411-84986155
电子邮箱：xfzhang@dlut.edu.cn
A rapid synthesis route for Sn-Beta zeolites by steam-assisted conversion and their catalytic performance in Baeyer-Villiger oxidation
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论文类型：期刊论文
发表时间：2013-02-15
发表刊物：CHEMICAL ENGINEERING JOURNAL
收录刊物：SCIE、EI
卷号：218
页面范围：425-432
ISSN号：1385-8947
关键字：Zeolite; Sn-Beta; Steam-assisted conversion; B-V oxidation; Cyclohexanone
摘要：Sn-Beta zeolites were prepared by a rapid and clean steam-assisted conversion (SAC) method from dry stannosilicate gel. The amorphous gel was converted to highly crystalline Sn-Beta within 5 h at mild reaction temperature of 453 K. The properties of the as-prepared samples were characterized by XRD, SEM, UV-Vis, UV-Raman, ICP and N-2 adsorption. A high gel conversion to BEA can be obtained with Sn4+ inserted in the zeolite framework. The SAC method was successfully used to produce pure silica Beta zeolite (Si/Sn = infinity) to Sn-Beta zeolite with 3.8 wt.% SnO2 (i.e., Si/Sn = 83). The Sn-Beta prepared by SAC method is an efficient catalyst for Baeyer-Villiger (B-V) reaction of cyclohexanone to epsilon-caprolactone. (C) 2012 Elsevier B.V. All rights reserved.