FIELD: sugar industry. SUBSTANCE: method of preparing adsorbent used, in particular, in sugar decoloration process includes carbonization and activation of aluminum- containing sludges formed when treating solutions with aluminum salt- based coagulants. Sludges are mixed with beet press at ratios ranging from 1: 10 to 1:14 (on conversion to solid materials), after which carbonization and steam activation are carried out at 600-650 C. EFFECT: increased adsorbent activity. 2 cl, 1 tbl, 3 ex
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