Patent ID: 9061986
Filing Date: 2015-06-23
Classification: C01B,C01F,C07C,C07D

Abstract:
1. Method for preparing a carboxylic acid, comprising the steps of providing magnesium carboxylate, wherein the carboxylic acid corresponding with the carboxylate is selected from the group consisting of 2,5-furandicarboxylic acid, fumaric acid, adipic acid, itaconic acid, citric acid, glutaric acid, maleic acid, malonic acid, oxalic acid and fatty acids having more than 10 carbon atoms; acidifying the magnesium carboxylate with hydrogen chloride (HCl), thereby obtaining a solution comprising carboxylic acid and magnesium chloride (MgCl precipitating the carboxylic acid from the solution comprising the carboxylic acid and MgCl