The presence of contaminants in wastewater poses significant challenges to water treatment processes and environmental remediation. The use of coagulation-flocculation represents a facile and efficient way of removing charged particles from water. The formation of stable colloidal flocs is necessary for floc aggregation and, hence, their subsequent removal. Aggregation occurs when these flocs f...

The article discusses the process of high molecular weight flocculant particles dissolving in water during mechanical stirring. A procedure mixer selection taking into account geometry based on Prandtl’s semi-empirical turbulence model was developed and described. It found that choice optimal rotation speed is related with turbulent frictional stress generated by impeller mixer. results experim...