At the same time, the chemical and physical methods of coagulation, flocculation, settlement and sand filtering process are also feasible to remover COD in SBR effluent.
同时，混凝、絮凝沉淀及砂滤法等化学、物理方法对于去除SBR出水中的COD也是可行的。
A new scroll spring is provided for cleaning the sand filtering passage to prevent sand plug.
通过新颖的防砂涡卷弹簧可在防砂的同时清洁滤砂通道，防止滤砂通道堵塞。
The working principles and filtering mechanism of sand filtration are introduced. A set of experimental installation for sand filtration simulation was established.
介绍了砂过滤的工作原理和过滤机理，建立了一套砂过滤模拟实验装置。
The utility model relates to a cylinder-shaped wire welded filtering screen which is used for separating materials and grinding media in a vertical closed sand mill.
一种圆筒形钢丝焊接过滤网，用于立式密闭式砂磨机中物料与研磨介质的分离。
The utility model relates to a cylinder-shaped wire welded filtering screen which is used for separating materials and grinding media in a vertical closed sand mill.
一种圆筒形钢丝焊接过滤网，用于立式密闭式砂磨机中物料与研磨介质的分离。
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