Electrofiltration of Aqueous Suspensions |
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Authors: | Zhang Tan Neoh Tien |
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Affiliation: | Department of Chemical and Environmental Engineering, National University of Singapore, 119260, Singapore |
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Abstract: | Electrofiltration of hydrosols in fixed-bed filters was studied experimentally. The experimental variables examined included media type, electric field strength, and suspension pH values. The extent of particle removal was found to improve with the application of the electric field, and lower pH values favor particle collection. The filtrate quality displayed the transient behavior of increasing particle concentration with time. A simple model which assumes that the filter coefficient decreases linearly with the extent of deposition was developed and found capable of predicting the observed behavior. Copyright 2000 Academic Press. |
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