During the process of extracting L-Arginine from Lystine motherliquid by ion-exchange method, the desalting of Lystine motherliquid, adsorption of L-Arginine by ion exchanger and eluent's fine purification were studied.
First, the solvent extraction associating with precipitation method was suggested to desalt the Lystine motherliquid. The effects of concentrations of sodium chloride and sodium sulfate, the initial concentrations of hydrochloric acid and sulfuric acid on depickling were investigat...