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Star-O-Kad Chemicals and Engineering consultancy. - IN-DEPTH FILTRATION FOR CONVENTIONAL WATER TREATMENT. SLOW SAND FILTRATION PROCESS. Slow sand filtration is a biological process, because it uses bacteria to treat the water. This
Diagrammatic representation of rapid sand filter used in this study | Download Scientific Diagram
Gravity/Rapid Sand Filtration
Rapid gravity sand filters: Developments in filter floor design
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