Dextran molecular mass effect on particle size distribution of CaCO3 for 1st and 2nd carbonatation

摘要

The presence of dextran in the raw juice leads to a disruption of normal processing operations, particularly at the 1st and the 2nd filtration. The blockage of filters is mainly caused by decreasing the average particle size of calcium carbonate precipitated during carbonatation. The effect of dextran on the juice purification process depends not only on its content but probably also on its average molecular mass. The paper presents studies of the influence of molecular mass of dextran on particle size distribution in juice after the 1st and the 2nd carbonatation.