| 主权项 |
1. A process for producing ethanol comprising contacting a feedstock comprising acetic acid, ethyl acetate or mixtures thereof and hydrogen in a reaction zone at hydrogenation conditions with a catalyst composition, wherein the catalyst composition comprises one or more active metals on a support, wherein the support comprises a support material containing tin or an oxide thereof, wherein the support material is selected from the group consisting of silica, silica gel, alumina, titania, silica/alumina, calcium metasilicate, pyrogenic silica, high purity silica, zirconia, carbon, zeolite and mixtures thereof, and the one or more active metals are selected from the group consisting of copper, iron, cobalt, nickel, ruthenium, rhodium, platinum, palladium, osmium, iridium, titanium, zinc, chromium, rhenium, molybdenum, tungsten, tin, lanthanum, cerium, manganese, and gold. |
