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Hongchen Guo

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Supervisor of Doctorate Candidates
Supervisor of Master's Candidates


Gender:Male
Alma Mater:Dalian University of Technology
Degree:Doctoral Degree
School/Department:School of Chemical Engineering
Discipline:Industrial Catalysis. Physical Chemistry (including Chemical Physics)
Business Address:521 Room,Chemical Engineering Building B,West Campus, Dalian University of Technology.
Contact Information:+86-411-84986120
E-Mail:hongchenguo@dlut.edu.cn
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Current position: Home >> Scientific Research >> Paper Publications

丙烯环氧化反应组分在TS-1中吸附扩散行为研究

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Indexed by:Journal Papers

Date of Publication:2011-08-15

Journal:石油化工高等学校学报

Included Journals:Scopus、ISTIC

Volume:24

Issue:4

Page Number:17-20,25

ISSN No.:1006-396X

Key Words:吸附;扩散;廉价TS-1;丙烯;环氧丙烷

Abstract:四丙基溴化铵(TPABr)为模板剂合成的廉价钛硅分子筛(TS-1)中不可避免地会产生大量非骨架钛物种,通过后处理可以消除TS-1中的非骨架钛物种,从而改善催化性能.通过智能重量分析仪(IGA)技术考察了丙烯(C3H6)、环氧丙烷(PO)等在TS-1上的吸附和扩散性质,测定了其吸附等温线、扩散系数随单胞吸附量变化曲线及孔径分布.结果表明,非骨架钛物种对C3H6吸附行为影响不大,但PO却随非骨架钛的减少吸附量有所降低.后处理可以提高分子筛结晶度,改变孔道结构,提高丙烯在其上扩散速率,进而影响丙烯环氧化反应.