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TS-1循环使用催化丙烯环氧化反应研究 被引量：1

Study of propylene epoxidation catalyzed by TS-1 after recycling use
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摘要 通过间歇釜考察了TS-1循环使用时的反应性能;采用FT-IR、UV-Vis和XRF等手段对循环使用后的TS-1进行了表征,并以丙烯环氧化反应为探针考察了其催化性能.结果表明:在丙烯环氧化反应过程中,以甲醇为溶剂时,随着TS-1循环次数的增加,催化活性没有变化,但环氧丙烷选择性却随着使用次数的增加而下降;而以水为溶剂时,催化活性和环氧丙烷选择性随循环次数增加均变化不大. The catalytic performance of TS-1 used circularly was investigated in propylene epoxidation reaction. And then the catalyst was characterized by FT-IR, UV-Vis and XRF. The results show that the catalytic activity does not vary obviously during the reaction. Selectivity of propylene oxide decreases with the time increasing when using methanol as solvent. However, when using water as solvent, selectivity of PO can hardly vary.
作者 刘学武 王祥生 郭新闻 李钢
机构地区 大连理工大学精细化工国家重点实验室
出处 《大连理工大学学报》 EI CAS CSCD 北大核心 2004年第3期356-361,共6页 Journal of Dalian University of Technology
基金 国家重点基础研究发展规划资助项目(G2000048009).
关键词 TS-1 循环使用 丙烯 环氧化反应 催化 钛硅分子筛 Catalyst activity Oxidation Propylene Recycling Reusability
分类号 O643.36 [理学—物理化学]
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参考文献10

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二级参考文献4

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共引文献15

同被引文献18

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大连理工大学学报
2004年 第3期

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