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纳米和微米ZSM-5分子筛在焦化苯乙基化反应体系中稳定性比较

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Indexed by:期刊论文

Date of Publication:2013-02-25

Journal:石油学报(石油加工)

Included Journals:EI、CSCD

Volume:29

Issue:1

Page Number:46-50

ISSN No.:1001-8719

Key Words:焦化苯乙基化;ZSM-5分子筛;晶粒尺寸;乙苯

Abstract:以焦化苯乙基化合成乙苯为探针反应,研究了具有相同硅/铝比、不同晶粒尺寸的ZSM-5分子筛的催化性能.结果表明,纳米和微米ZSM-5分子筛稳定性差异与烷基化试剂种类密切相关.在焦化苯与乙醇的反应体系中,以微米ZSM-5分子筛为母体所得到的ZSM-5-m-25的稳定性较好;在焦化苯与乙烯的反应体系中,以纳米ZSM-5分子筛为母体所得到的ZSM-5-n-25分子筛的稳定性较好.

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