β沸石催化剂用于甲苯-丙烯烷基化的研究  

Research in β Zeolites Catalyst for Alkylation Reaction of Toluene with Propylene

作　　者：刘靖[1] 宋芳芳[1] 赵其献[1] 谭涓[1] 王刃[1] 

机构地区：[1]大连理工大学化工与环境生命学部,辽宁省大连市116023

出　　处：《石化技术》2012年第3期1-4,共4页Petrochemical Industry Technology

摘　　要：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。The influences to regular pattern of alkylation and the product distribution from the reaction temperature,molar ratio of toluene/propylene and weight hourly space velocity were investigated by isothermal fixed bed reactor,and substances comprised in the product detected with mass spectrometer.The results showed that the catalyst,made from β zeolites,had excellent catalytic activity and selectivity in alkylation reaction of toluene with liquid propylene.The optimum reaction conditions were that the temperature was 220 ℃,molar ratio of toluene/propylene,7.75,and mass space velocity,3.4 h-1.

关 键 词：异丙基甲苯 甲苯 丙烯 催化剂 烷基化 

分 类 号：TQ203.2[化学工程—有机化工]