Patent ID: 7417008

Claim:
Supported polyoxometalates represented by the formula (A n ) m+ [M 4 (H 2 O) 10 (XW 9 O 33 ) 2 ] m− or solvates thereof, wherein A represents a cation, n is the number of cations, m is the charge of the polyoxoanion, M is a transition metal, and X is an element selected from the group consisting of As, Sb, Bi, Se and Te, wherein the polyoxometalate is supported on a solid support selected from the group consisting of Al 2 O 3 , MgO, TiO 2 , ZrO 2 , SiO 2 , mesoporous silica, active carbon, diatomite, clays, zeolites, polyoxometalate salts and mixtures thereof, with the proviso that the polyoxometalate salt supports are different from the supported polyoxometalates defined by the above formula.