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Cryptosporidium parvum behaves similarly to other low density colloidal particles in water. Their physical removal requires destabilization and subsequent separation. Removal as high as 4.9 log-units has been reported for gravity sedimentation but the average removal tends to be less than 2 log-units. Dissolved air flotation (DAF) is a method of water treatment that has been used primarily for sludge...
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