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本文以聚丙烯酰胺为混凝剂，通过静水沉淀实验，以澄清水层的残余浊度为指标，对高浊度水混凝最优GT值进行研究，提出了以澄清水层残余浊度为标准的最优GT值．同时对此最优GT值的客观存在，从理论上进行了阐述，得出了许多重要新成果．
In this paper, polyacrylamide was used as a coagulant, through hydrostatic precipitation experiment, to clarify the residual turbidity of the water layer as an indicator, the optimal GT value of the high turbidity water coagulation was studied, and the residual turbidity of the water layer was proposed to clarify The standard optimal GT value. At the same time, the objective existence of this optimal GT value is elaborated theoretically and many important new results are obtained.