During water treatment processes, residuals are produced from coagulation/filtration unit and filter operation which amount to 4-7 percent of the whole water flow.
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美
- 给水厂排泥水产生于水处理过程中的沉淀或澄清以及滤池反冲洗步骤,总量约占给水厂净水量的4%25-7%25。