Patent ID: 8815768
Filing Date: 2014-08-26
Classification: B01J,C07C,Y02P

Abstract:
1. A process for forming a catalyst, the process comprising the steps of: (a) providing a first solution comprising a first metal oxalate, a second metal precursor selected from the group consisting of metal oxalate, acetate, halide, and nitrate, and an acid selected from the group consisting of hydrochloric acid, phosphoric acid and nitric acid; (b) adding a support modifier precursor comprising a POM to the first solution, wherein the POM is selecting from the group consisting of phosphotungstic acid (H—PW (c) impregnating a support material with the first solution to form a modified support; (d) providing a second solution comprising the first metal oxalate, the second metal precursor selected from the group consisting of metal oxalate, acetate, halide, and nitrate, and the acid selected from the group consisting of hydrochloric acid, phosphoric acid and nitric acid; (e) providing a third solution comprising a precious metal oxalate; and (f) impregnating the modified support with the second solution and the third solution to form the catalyst.