METHOD OF TREATMENT OF HYDROLYTIC LIGNIN Russian patent published in 1997 - IPC

FIELD: medicinal industry. SUBSTANCE: hydrolytic lignin no containing large particles is subjected for fine milling, poured with alkali an aqueous solution, washed off from lignohumic substances formed and alkali residue, brought about to neutral reaction and dried. Before an aqueous-alkaline treatment preliminary milled lignin is washed off from mineral acid residue, sand and other impurities. Preparation is used for preparing enterosorbents for treatment acute gastroenteric tract function disorders and for preparing external bacterioadsorbing agents. EFFECT: improved method of lignin treatment. 2 cl