Patent ID: 7906692

Claim:
Process for preparing a chlorohydrin, comprising: (a) reacting a polyhydroxylated aliphatic hydrocarbon, an ester of a polyhydroxylated aliphatic hydrocarbon or a mixture thereof whose alkali metal and/or alkaline earth metal content is greater than or equal to 0.1 μg/kg and less than or equal to 5 g/kg, a chlorinating agent and an organic acid so as to give a mixture containing at least chlorohydrin and other compounds, (b) subjecting at least part of the mixture obtained in step (a) to one or more treatments, said treatments comprising at least an oxidation at a temperature greater than or equal to 800° C. to produce HCl and optionally at least one separating operation selected from decantation, filtration, centrifugation, extraction, washing, evaporation, stripping, distillation and adsorption operations.