Title: Optimizing Selection of Coagulant for Treating Low Temperature and Turbidity Raw Water
Abstract: The coagulation-flocculation and sedimentation beaker test and productive test were conducted to compare the flocculating and sedimentation effects of aluminium sulfate and several polyaluminum chloride(PAC) liquids.The results show: ① type ZR-3 PAC produced by Taicang Xinxing Corporation of the Light Industry Aid and Shenzhen Zhongrun Corporation of Water Treatment Technology Development,is the most effective for the treatment of low temperature and turbidity raw water.The dosage is reduced by half compared to aluminium sulfate;② the pH level of treated water rises by 0.2 to(0.3);③ the concentration of residual aluminium in treated water is decreased by half;④ the dose of coagulant is related with the pH level and aluminium concentration in sedimentated water at a great extent.
Publication Year: 2006
Publication Date: 2006-01-01
Language: en
Type: article
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