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Analysis and effectiveness of biological thin Layer (Schmutzdecke) on the sand surface in slow sand filtration processes  

Kim, Seong-Su (한국수자원공사)
Park, No-Suk (한국수자원공사)
Kim, Chung-Hwan (한국수자원공사)
Park, Jong-Keun (대구대학교 환경교육과)
Publication Information
Journal of Korean Society of Water and Wastewater / v.22, no.3, 2008 , pp. 289-298 More about this Journal
Abstract
Because of their simplicity, efficiency, and economy, slow sand filters are appropriate means of water treatment for small water systems. Biological activity within the sand bed have the strongest influence on removal efficiency of pollutants by slow sand filtration. This report investigated the microorganisms(algae) of slow sand filtration pilot plant at Y water treatment plant. Data were collected at inflow and slow sand filtration from May to October, 2007. The results indicated that the light exposure was influenced on microorganism in slow sand filtration according to the formation of algal biofilm. The relative contribution of biomass and accumulated particulates to head loss development in slow sand filters requires further study.
Keywords
slow sand filtration; biological skin; Schmutzdecke; algae;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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