Patent ID: 8133464
Filing Date: 2012-03-13
Classification: B01J,C01B

Abstract:
1. A method of producing hydrogen gas and carbon dioxide in a chemical reaction from formic acid, said reaction being conducted: in an aqueous solution; at a temperature in the range of 15-220° C.; in the presence of added formate salt, and, in the presence of a catalyst, said catalyst comprising a complex of the general formula (I): in which, M is a metal selected from the group consisting of Ru, Rh, Ir, Pt, Pd, and Os; n is in the range of 1-4; L is a ligand comprising at least one phosphorus atom, said phosphorus atom being bound by a complex bond to said metal, the phosphorus ligand further comprising at least an aromatic group and a hydrophilic group, wherein, if n>1, each L may be different from another L; and wherein the complex of formula (I) optionally comprises other ligands and is provided in the form of a salt or is neutral.