以三维有序介孔分子筛KIT-6为模板剂制备碳模板,七钼酸铵为铝源,采用超声辅助下的真空浸渍法,合成了三维(3D)有序介孔、蠕虫状介孔 MoO3.采用TEM、HRTEM、SAED、XRD、TG/DT、N2吸脱附等对材料物理性能进行了表征.采用H2-TPR、甲苯和一氧化碳完全氧化等对催化性能进行了评价.研究发现:制备的三维有序介孔MoO3为正交相晶体结构,比表面积194 m2/g;在转化率分别为50%、90%、100%时,甲苯的起燃温度分别为203℃、215℃、225℃;CO起燃温度分别为1 14℃、158℃、180℃.3D-MoO3优良的催化性能与高比表面和三维有序介孔架构密切相关.
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