SC response characteristics of two kinds of coagulant |
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| Authors: | Wan-dong Yang Shuang Song Hui-xiang Shi |
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| Institution: | 1.Department of Environmental Engineering,Zhejiang University,Hangzhou,China |
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| Abstract: | Automatic coagulant dosage control with streaming current (SC) technique is introduced in this paper. Aluminum and ferric coagulants are widely used in surface water treatment. The SC response characteristics of P-AlCl3 aluminum coagulant and P-FeCl3 ferric coagulant were investigated in this work. Bench-scale water treatment results were obtained from jar tests including rapid mixing, flocculation and undisturbed sedimentation. Results showed that aluminum coagulant is more sensitive than ferric coagulant to SC response. |
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| Keywords: | Streaming current(SC) SC response Coagulant Water treatment Automatic control |
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