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KOH沉淀剂对Ag/TS-1催化剂用于丙烯气相环氧化的影响

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2011-04-20

Journal: 现代化工

Included Journals: CSCD、ISTIC、PKU、Scopus

Volume: 31

Issue: 4

Page Number: 45-48,52

ISSN: 0253-4320

Key Words: 银;丙烯环氧化;环氧丙烷;沉淀剂;钾

Abstract: 采用沉积-沉淀法制备Ag/TS-1催化剂,在423 K、常压条件下用于丙烯气相环氧化反应,研究了碱金属沉淀剂KOH的影响.结果表明,以KOH为沉淀剂、TS-1为载体制备的Ag/TS-1催化剂反应性能最佳,丙烯转化率为1.8%,环氧丙烷选择性为91.7%;K+的存在对反应有促进作用.

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