National Repository of Grey Literature 7 records found  Search took 0.01 seconds. 
Influence of agitation on separability of the aggregates
Mutl, Silvestr ; Pivokonský, Martin
The aggregation agitation influences the properties of aggregates being formed which, in turn, decisively influence their separation capabilities. It is evident from the experimental results that the conditions of agitation have to be optimised with respect to the raw water quality and the separation method applied. The results show that the mean velocity gradients greater than G = 100 s-1 are more convenient for separation of floc aggreagates.
The influence of intenzity and time of agitation on the separability of the aggregates formed
Mutl, Silvestr ; Polášek, P. ; Knesl, B. ; Pivokonský, Martin
One of the technological procedures applied at the treatment of drinking water is agitation of water. The article describes the influence of conditions of agitation, which is characterized by the mean velocity gradient, on the structure of the formed aggregates, their strength, resistance against of tangential forces and separation ability of the aggregates from the water.
Sedimentation of heterogeneous ash slurry : fly and bottom ash Porici
Vlasák, Pavel ; Chára, Zdeněk ; Konfršt, Jiří ; Hoření, Bohumír ; Mutl, Silvestr
Settling velocities of heterogeneous ash-water mixture with fly/bottom ash ratio 10:0; 95:5;9:1;8:2 and 7:3 were measured using the batch sedimentation method. The effect of bottom ash content is significant, settling velocity increases with growing of coarse particle ratio up to total concentration about cv = 20%, then for higher cv and coarse particle ratio higher than 2:8 the settling velocity decreases with growing total concentration.

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