METHOD OF PREPARING MODIFIED SORBENT Russian patent published in 1998 - IPC

FIELD: manufacture of sorbents based on highly basic polymerization anionites, preparation for purifying drinking water and sewage. SUBSTANCE: modification of highly basic polymerization anionites in hydroxy form is carried out with 44-5.5% perchloric iron solution under static conditions at solid to liquid phase ratio of 1:12-1.7 then once washed at 75-95 C and treated with alkali at solid to liquid ratio of 1:0.8-1.2 and subsequently washed with water and converted into salt form. EFFECT: more efficient preparation method. 2 tbl