This paper summarises the preliminary results from the research into the influence that conditions of agitation have on the progression of the aggregation process and on some of the properties of formed aggregates affecting the efficiency of separation processes. These results show that the applied velocity gradient G, the period of its action T and the distribution of a velocity field in the agitated volume of water influence the number of aggregates, their size and shape in a significant manner. Smaller and denser aggregates of a homogeneous size that are more resistant to breaking up are formed with higher velocity gradient.

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