中孔分子筛的改性是近年来研究的一个热点.采用铁改性的FSM-16催化苯酚与过氧化氢反应合成二酚,研究了铁负载量、催化剂用量、反应时间和温度等对催化剂性能的影响.在优化反应条件下,以水为溶剂,苯酚的转化率达到25.4％,二酚的选择性为88.9％.实验结果表明该催化剂可以重复使用.Fe/FSM-16与在工业生产使用的TS-I分子筛的催化活性相近,具有工业应用的前景.
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