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个人信息Personal Information
副教授
博士生导师
硕士生导师
主要任职：Associate Professor
其他任职：系教工党支部书记
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：工业催化. 能源化工
办公地点：大连理工大学西校区化工实验楼B421
电子邮箱：lium@dlut.edu.cn
Shape-selective methylation of 2-methylnaphthalene with methanol over hydrothermal treated HZSM-5 zeolite catalysts
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论文类型：期刊论文
发表时间：2008-11-01
发表刊物：CHEMICAL ENGINEERING SCIENCE
收录刊物：SCIE、EI、Scopus
卷号：63
期号：21
页面范围：5298-5303
ISSN号：0009-2509
关键字：Methylation; HZSM-5; 2-Methylnaphthalene; Hydrothermal treatment; Shape-selective; Dealumination
摘要：Shape-selective methylation of 2-methylnaphthalene (2-MN) was carried out over hydrothermally treated HZSM-5 (SiO2/Al2O3 = 83) zeolite catalysts under a fixed-bed down-flow reactor, methanol and 1,3,5-trimethyl benzene (TMB) were used as methylating agent and solvent, respectively. The results show that hydrothermal treatment improves the selectivity to 2,6-dimethylnaphthalene (2,6-DMN) and the stability. HZSM-5 catalyst hydrothermally treated at 550 degrees C followed by acid leaching exhibits 7.1% of 2,2,6-DMN yield after 5 h time on stream (TOS), and 13.4% of 2-MN conversion with the 2,6-/2,7-DMN ratio of 1.8 after 8 h of TOS. (c) 2008 Elsevier Ltd. All rights reserved.