| abstract |
(57) Abstract: An α-, β- or γ-substituted carboxylic acid or a salt or ester thereof, or a mixture of two or more thereof, -, Β- or γ-substituted carboxylic acids or salts or esters thereof or mixtures of two or more thereof and at least one It provides a relatively simple and economical method for purifying from aqueous solutions containing one polyol or at least one amino alcohol. The solution is processed by electrodialysis. |