采用水热合成法在SiO2-TiO2-MnO2-(TEA)2O-H2O-NH4F体系中合成了Ti-Mn-β沸石.运用X射线衍射、红外光谱、固体紫外可见漫反射、热重-差热、扫描电子显微镜和X射线光电子能谱等技术手段对样品进行了表征,探讨了影响Ti-Mn-β沸石合成的因素.Ti-Mn-β沸石在以H2O2为氧化剂的苯酚羟基化反应中表现出较好的催化活性,苯酚的转化率为29.8％,邻苯二酚和对苯二酚的选择性分别为70.9％和26％.
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