Full-scale tests were conducted to evaluate the effectiveness of enhanced coagulation for improving water quality by increasing dosage and adding coagulant aid. As a result, enhanced coagulation by increasing dosage of PAC or adding activated silicate can increase water supply quality of old processes. But it cannot be taken for granted that single changing dosage or adding coagulant aid is a long-term technology for improving water quality, due to cost and other multi-barrier approaches.
Enhanced coagulation for improvement of water quality in full-scale water treatment
J. Yin, Z.S. Liu, T.J. Wang, K. Zhao, Y.B. Cui, X.J. Tan; Enhanced coagulation for improvement of water quality in full-scale water treatment. Water Science and Technology: Water Supply 1 October 2006; 6 (4): 75–79. doi: https://doi.org/10.2166/ws.2006.912
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