Flocculation's a process where a solute comes out of solution in the form of floc or flakes. The action differs from precipitation in that the solute coming out of solution does so at a concentration generally below its solubility limit in the liquid. Term definition According to the IUPAC definition, flocculation's "a process of contact and adhesion whereby the particles of a dispersion form larger-size clusters." Flocculation's synonymous with agglomeration and coagulation. Applications Surfac… (More on Flocculation)