Complete catalytic oxidation of benzene on Co3O4 catalysts supported on mesoporous molecular sieves
Co3O4/介孔分子筛催化剂对苯催化完全氧化的研究

Co3O4 catalysts supported on various mesoporous molecular sieves, including MCM-41, MCM-48 and SBA-15, were prepared by incipient wetness impregnation method, and these catalysts were characterized by Nitrogen adsorption-desorption, XRD and TPR techniques. Then the influences of cobalt loading and mesoporous molecular sieves on the catalytic activity of catalysts in the complete oxidation of benzene were investigated. The results show that the activity of the catalyst with 20% Co3O4 loading was the best. Besides, the pore diameter of the supports and the reducibility of the catalysts play a key role, and the activity of the cobalt catalysts on different supports is in the following order: Co3O4/SBA-15> Co3O4/MCM-41> Co3O4/MCM-48.