期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 228, 期 2, 页码 393-404出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1006/jcis.2000.6966
关键词
electrofiltration; hydrosols; deep-bed filtration; solid/liquid separation; modeling
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. (C) 2000 Academic Press.
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