Przemysl Chemiczny, Vol.95, No.11, 2172-2175, 2016
Purification of fumaric acid made by bioconversion of waste glycerol
Fumaric acid from bioconversion of glycerol was sepd. from the wort by its acidification with HCl, adsorption of impurities on a modified SiO2 and crystn. from EtOH/H2O mixts. The sepn. yield was 80-95%, product purity 97-99.9%.