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AWWA WQTC55155
- Attachment of Cryptosporidium parvum to Granular Filter Media
- Conference Proceeding by American Water Works Association, 01/01/2001
- Publisher: AWWA
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Pilot-scale experiments were conducted at the US Environmental Protection Agency's Test & Evaluation (T&E) Facility in Cincinnati, Ohio, to investigate removal of Cryptosporidium parvum by contact granular filtration. The experiments indicated efficient transport of Cryptosporidium parvum oocysts and limitations posed by attachment conditions. The observation was quantitatively supported by calculations of the single collector transport and collision efficiencies. Depicted behavioral difference between removal of Cryptosporidium parvum and Kaolin clay particles indicated that the latter may not be an appropriate surrogate for oocyst removal. Includes 21 references, tables, figures.
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