AWWA WQTC52997

AWWA WQTC52997 Cryptosporidium and Microsphere Removal During Low Turbidity End-of-Run and Early Breakthrough Filtration
Conference Proceeding by American Water Works Association, 01/01/2000

Emelko, Monica B.;Huck, Peter M.;Douglas, Ian P.;Van Den Oever, John

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This research focused on identifying operational strategies for maximizingCryptosporidium removal by filters. Pilot-scale studies were performed toevaluate the oocyst removal capacity of a dual-media filter during optimizedoperating conditions, late turbidity and particle breakthrough, early turbidityand particle breakthrough, and end-of-run operation. The experiments includedsome investigation of the mechanistic behavior of oocysts that pass throughfilters during end-of-run and breakthrough conditions. Polystyrene microsphereswere also evaluated as surrogates for removal of Cryptosporidium oocysts duringtreatment optimization studies. Includes 14 references, figures.