Patent ID: 8344185
Filing Date: 2013-01-01
Classification: B01D,C07C,C07D

Abstract:
1. A process for preparing dichloropropanol comprising reacting glycerol, an ester of glycerol or a mixture thereof with hydrogen chloride wherein the hydrogen chloride is (I) gaseous hydrogen chloride comprising not more than 15% by volume of water and not more than 5% by volume of nitrogen, or (III) a combination thereof of gaseous hydrogen chloride comprising not more than 15% by volume of water and not more than 5% by volume of nitrogen and an aqueous solution of hydrogen chloride, and wherein the hydrogen chloride comprises at least one of the following substances in a positive amount not exceeding the maxima indicated below, where the amount calculated in the gaseous hydrogen chloride does not take into account the water and nitrogen and in the aqueous solution of hydrogen chloride does not take into account the water: