| 摘要 |
A process for the reduction of a halocarbon containing a group having the formula -CX2Y wherein X is Cl, Br, or I and Y is Cl, Br, I or F; in particular 1,1,1-trichloro-2,2,3,3,3-pentafluoroethane, by subjecting the halocarbon to a reduction reaction in an aqueous solution of an alkali metal sulphite or ammonium sulphite as reducing agent and an acid acceptor, in which the acid acceptor is also an alkali metal sulphite or ammonium sulphite.
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