Properties of Enterosorbents Obtained from Autohydrolyzed Birch Bark
Preliminary activation of birch bark with water vapour under the conditions of explosive autohydrolysis was studied. It was established that after preliminary treatment the sorption activity of resulting enterosorbents substantially increases with respect to methylene blye and gelatine. The properties of enterosorbents obtained from autohydrolyzed bast and beresta of birch bark were compared. We determined the conditions of birch bark activation through explosive autohydrolysis allowing one to obtain enterosorbents with sorption value for methylene blue and gelatine exceeding the corresponding value for commercial enterosorbent Polifepan.