PRECIOUS METAL, ACTIVE METAL AND MODIFIED SUPPORT - CONTAINING HYDROGENATION CATALYSTS AND ACETIC ACID HYDROGENATION PROCESS USING THE SAME.

摘要

The present invention relates to catalysts which may be used for converting acetic acid to ethanol, and to chemical processes employing such catalysts. The catalyst comprises a precious metal and one or more active metals on a modified support comprising cobalt, tin, and a modifier selected from tungsten, molybdenum, vanadium, niobium, and tantalum. The modified support may comprise cobalt tungstate.