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Terms & Synonyms

Official WHO Definition

The agglomeration of colloidal and finely divided suspended matter after coagulation by gentle stirring by either mechanical or hydraulic means (WHO 2006).The water treatment process following coagulation that uses gentle stirring to bring suspended particles together so they will form larger, more settleable clums called floc (Symons et al. 2000)

Other Definitions


Interpretations and Explanations


Symons, J. M., Bradley, L. C. Jr. and Cleveland, T. C. 2000. The Drinking Water Dictionary. American Water Works AssociationWHO (2006) Guidelines for the safe use of wastewater, excreta and greywater

WHO Lexicon page (translations and examples)

See also

External Resources


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