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纳米MCM-49分子筛在丙烯与苯烷基化反应中的催化性能

Petrochemical Industry Technology(2011)

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Abstract
用硅溶胶为硅源、偏铝酸钠为铝源、六亚甲基亚胺为模板剂进行动态合成纳米MCM-49分子筛,并进行X射线衍射、扫描电子显微镜和透射电子显微镜表征。研究了纳米MCM-49分子筛在丙烯与苯烷基化反应中催化性能,确定了最佳的评价条件:温度为120~140℃,苯烯摩尔比为2.0~3.5,丙烯液体空速0.8~2.5h~(-1);在该条件下进行了纳米MCM-49分子筛的寿命实验。结果表明,纳米MCN-49分子筛合成异丙苯催化剂性能较好。
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Key words
alkylation,nanometer zeolites,catalyst
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