PRODUCTION OF SOLID ACID CATALYST

摘要

PURPOSE:To enhance the catalytic activity and to prolong the life time of a catalyst by treating the hydroxides and oxides of group IV metals and/or the hydroxides and oxides of group III metals with a treating agent contg. sulfur and halogen, and then supporting group VIII metals. CONSTITUTION:The hydroxides and oxides of group IV metals and/or the hydroxides and oxides of group III metals are treated with the treating agent contg. sulfur and halogen. Then, 0.01-10wt% group VIII metals is supported on this treated substance to form a solid acid catalyst. The treating agent contg. sulfur and halogen includes sulfuryl chloride, thionyl chloride, etc. and the preferable treating temp. is about 50-550 deg.C. After group VIII metals are supported, the catalyst is calcined at about 450-800 deg.C preferably at 500-650 deg.C in an oxidizing atmosphere for about 0.5-10hr.