| http://www.w3.org/ns/prov#value | - Alum or other Alum or other coagulant Polymer coagulant coagulant Polymer coagulant Influent Effluent Influent Effluent Flocculation Sedimentation Filtration Flocculation Sedimentation Filtration t = 15-30 minutes t = 1-4 hours t = 1-10 gpm/ft2 t = 15-30 minutes t = 1-4 hours t = 1-10 gpm/ft2 Rapid mixing Rapid mixing t = 30 minutes t = 30 minutes Water Filtration Water Filtration Traditional Filt
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