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Abstract Survey and analysis for intakes of some DWTPs at river Nile indicated normal conditions for physico-chemical and organic parameters as well as biological and microbiological examinations. Treatment steps in DWTP were studied. Pre-chlorination and sedimentation step has the highest removal efficiency. Chlorine was produced through electrolysis of chloride present in water. The produced water meets the Egyptian standard limits according to Ministerial Decree 458 / 2007. |