石油加氢脱硫催化剂载体的研究

总结了近20年来石油加氢脱硫（HDS）催化剂载体的研究成果及其进展。单组分氧化物TiO2、ZrO2作为载体比传统Al2O3制得催化剂的HDS活性高，但其比表面积和热稳定性有待改善；复合氧化物载体中TiO2-Al2O3是研究最多的载体，其比表面积可达到500m^2/g，负载NiMo后催化剂的HDS活性较传统Al2O3载体负载的活性提高20％；高比表面积的分子筛和介孔材料也是加氢脱硫催化剂载体的研究热点。该室研究的MCM系列载体，其比表面积为1000m^2/g左右，并分别得到粉末、块体和薄膜，初步适用工业级吐温（Tween）作为模板剂制得一系列无序介孔二氧化硅载体。

Research on Support in Hydrodesulfurization Catalysts

Overview of the research progress in hydrodesulfurization catalyst supports.Single oxides such as TiO_2 and ZrO_2 as supports show higher hydrodesulfurization catalytic activities than alumina,but their surface area and thermal stability must be improved.A mixed oxide TiO_2-Al_2O_3 with high surface area of 500 m~2/g is the most interest candidate,which as NiMo surport can increase 20% catalytic activity than alumina;Many recent interests have been dedicated to zeolites and mesoporous materials as HDS catalyst supports,due to their high specific surface area.We have synthesized MCM supports with all forms of powders,monoliths and films,which possess about 1 000 m~2/g surface area.We also used cheap commercial Tween-based surfactants as the templating agent to prepare series of disordered mesoporous silica supports.