Patent ID: 8846985

Claim:
A process for preparing an α,ω-C n -diol, comprising the steps: (a) providing a feedstock comprising a C n oxygenate; (b) contacting the feedstock with hydrogen gas, in the presence of a catalyst and at a temperature and for a time sufficient to form a product mixture comprising an α,ω-C n -diol; wherein n is 5 or greater; and wherein the catalyst comprises a first metal component, a heteropoly acid component, optionally a second metal component, optionally at least one promoter, and optionally a support; wherein: the first metal component comprises Ni, Ir, Pt, Rh, Ru, Pd, Fe, Ag, or Au; the heteropoly acid component comprises H 3 [P(W 3 O 10 ) 4 ], H 4 [Si(W 3 O 10 ) 4 ], H 4 [P(Mo 3 O 10 ) 4 ], H 4 [Si(Mo 3 O 10 ) 4 ], Cs 2.5 H 0.5 [P(W 3 O 10 ) 4 ], Cs 2.5 H 0.5 [Si(W 3 O 10 ) 4 ], or mixtures thereof; the second metal component comprises Cr, a Cr oxide, Ni, a Ni oxide, Fe, a Fe oxide, Co, a Co oxide, Mn, a Mn oxide, Mo, a Mo oxide, W, a W oxide, Re, a Re oxide, Zn, a Zn oxide, SiO 2 , or Al 2 O 3 ; and the promoter comprises Na, K, Mg, Rb, Cs, Ca, Sr, Ba, Ce, or mixtures thereof.