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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

钛硅沸石TS-1的高温焙烧法再生研究

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Indexed by:期刊论文

Date of Publication:2003-04-20

Journal:现代化工

Included Journals:Scopus、EI、PKU、ISTIC、CSCD

Volume:23

Issue:4

Page Number:24-28

ISSN No.:0253-4320

Key Words:钛硅沸石TS-1;丙烯环氧化;焙烧;再生

Abstract:研究了负载成"蛋壳型"的钛硅沸石TS-1催化剂在丙烯环氧化的单管放大试验装置上连续运转1 200 h失活后的焙烧法再生条件,并结合催速失活,对该催化剂进行了多次焙烧再生研究.结果表明,上述失活催化剂可在氧含量为体积分数6%的氮气气氛中,通过程序升温焙烧于300~550℃、24 h内实现彻底再生,使环氧化活性和环氧丙烷选择性完全恢复.经过5次再生后,催化剂活性、选择性与新鲜催化剂相比没有明显差别,并在500 h的实验室连续评价中活性和选择性保持稳定.