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EFFECT OF GRAIN SIZE, BED DEPTH AND RETENTION TIME IN INTERMITTENT BIOSAND FILTERS FOR IMPROVEMENT OF SECONDARY SEWAGE EFFLUENT QUALITY
(University of Eldoret, 2014)
Biosand filtration (BsF) is a simple technique used for pathogen and particle removal in drinking water purification. It may be adapted for wastewater stabilization but only a few studies have been done on improvement ...