METAL IMPREGNATED AMORPHOUS SILICATES FOR THE SELECTIVE CONVERSION OF ETHANOL TO BUTADIENE

摘要

Providing a catalyst and a process for the preparation of butadiene, and the catalyst comprising Hf and two or more further catalytically active metals M1 and M2, wherein the two or more further catalytically active metals M1 and M2 are selected from the group consisting of Zr, Zn, Cu and combinations of two or more thereof, and wherein M1 is different from M2.