Modified catalyst supports
AssigneeCelanese International Corporation
InventorsZhenhua Zhou, Dheeraj Kumar, Heiko Weiner
Life of this patent
Estimating the term…
Abstract
The present invention relates to modified catalyst supports, to processes for making modified catalyst supports, and to chemical processes employing catalysts that comprise such modified catalyst supports. The modified catalyst support comprises a first metal, a second metal and a support modifier on a support, wherein the support modifier comprises a support modifier metal selected from the group consisting of tungsten, molybdenum, vanadium, niobium, and tantalum.
Claims24
A modified catalyst support, wherein said support comprises a first metal, a second metal and a support modifier on a support material, wherein the support modifier comprises a support modifier metal selected from the group consisting of tungsten, molybdenum, vanadium, niobium, and tantalum, the first metal is selected from the group consisting of copper, iron, cobalt, titanium, zinc, chromium, and manganese, and the second metal is selected from the group consisting of nickel and tin, wherein the modified catalyst support is substantially free of a precious metal selected from the group consisting of rhodium, rhenium, ruthenium, platinum, palladium, osmium, iridium, gold, and mixtures thereof.
A modified catalyst support, wherein said support comprises one or more active metals and a support modifier on a support material, wherein the support modifier comprises a support modifier metal selected from the group consisting of tungsten, molybdenum, vanadium, niobium, and tantalum, the one or more active metals are selected from the group consisting of copper, iron, cobalt, nickel, titanium, zinc, chromium, tin, lanthanum, cerium, and manganese, wherein the modified catalyst support is substantially free of a precious metal selected from the group consisting of rhodium, rhenium, ruthenium, platinum, palladium, osmium, iridium, gold, and mixtures thereof.
A modified catalyst support comprising cobalt tungstate and tungsten oxide on a support material selected from the group consisting of silica, alumina, titania, silica/alumina, pyrogenic silica, high purity silica, zirconia, carbon, zeolites and mixtures thereof.
Dependencies are inferred from the claim text.