Mixing and Sedimentation Basins: Revision of 'Water Quality and Treatment,' Chapter 8

coagulation process and sedimentation process. As described in Chapter 7, coagulation involves the addition of chemicals to the water, their uniform distribution through the water, and the building up of a readily settlable floe, usually by prolonged agitation of the water. Coagulation is accomplished by appropriate equipment in three steps or phases of mixing, floe formation, and conditioning. The functional difference in these transi-