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沸石催化剂用于甲苯-丙烯烷基化的研究

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Indexed by:期刊论文

Date of Publication:2012-09-21

Journal:石化技术

Volume:19

Issue:3

Page Number:1-4

Key Words:异丙基甲苯;甲苯;丙烯;催化剂;烷基化

Abstract:采用等温固定床反应器,考察了反应温度、甲苯/丙烯摩尔比和质量空速对甲苯-丙烯烷基化规律及产物分布的影响,还通过质谱检测出产物中含有的各种物质。结果表明:以β沸石为基础制备的催化剂对甲苯与丙烯液相烷基化具有良好的催化活性和选择性,较为适宜的烷基化反应条件为温度220℃、甲苯/丙烯摩尔比7.75、质量空速3.4 h-1。

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