The possible effect of sewage containing seawater from seawater utilization in coastal cities on biologicaltreatmentsystem of urban sewage treatment plants was studied and tested.
The operation and management level of the biological wastewater treatmentsystem plays important role in treatment efficiency.
废水生物处理系统运行管理的水平会极大地影响到处理效果。
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The test result showed that enzymatic treatment agent is a non-polluting and effective method for control of biological slime in industrial circulating water system.