| abstract |
A process for regenerating a deteriorated antimony containing oxide catalyst comprising as essential components of (i) antimony and (ii) at least one metal element selected from the group consisting of iron, cobalt, nickel, manganese, uranium, cerium, tin and copper wherein the deteriorated antimony containing oxide catalyst is impregnated or sprayed with an aqueous hydrogen peroxide solution and the impregnated catalyst is dried and then calcined at a temperature of about 200 DEG to 1,000 DEG C. |