Patent ID: 8017817

Claim:
A process for the manufacture of 1,1,3,3,3-pentafluoropropene and 1,2,3,3,3-pentafluoropropene comprising: (a) reacting HF and at least one halopropene of the formula CX 3 CCl═CClX, wherein each X is independently selected from the group consisting of F and Cl, to produce a product produce a product comprising CF 3 CCl 2 CF 3 and CF 3 CClFCClF 2 , wherein said CF 3 CCl 2 CF 3 and CF 3 CClFCClF 2 in the presence of a chlorofluorination catalyst comprising at least one chromium-containing component selected from (i) a crystalline alpha-chromium oxide where at least 0.05 atom % of the chromium atoms in the alpha-chromium oxide lattice are replaced by divalent copper, and (ii) a chromium-containing composition of (i) which has been treated with a fluorinating agent; (b) reacting CF 3 CCl 2 CF 3 and CF 3 CClFCClF 2 produced in (a) with hydrogen, optionally in the presence of HF, to produce a product comprising CF 3 CH 2 CF 3 and CF 3 CHFCHF 2 (c) dehydrofluorinating CF 3 CH 2 CF 3 and CF 3 CHFCHF 2 produced in (b), to produce a product comprising CF 3 CH═CF 2 and CF 3 CF═CHF and, (d) recovering CF 3 CH═CF 2 and CF 3 CF═CHF from the product produced in (c).