利用WLPS系统处理，水质净化效果显著。

The WLPS system can purify water obviously.

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水力负荷的大小对于弹性填料生物预处理净化水质的效果随不同项目有不同的影响。

The real effect the Hydraulic load does for the effect of water biological pre-treatment by elastic packing.

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对水质净化过程中投加净化剂的效果进行了研究，得出了在冬春低温低浊季节，水力循环澄清池-快滤池净化过程投加净化剂脱混的最佳选择。

The effects of adding purifying agent during the process of water purification were studied. The best opportunity for applying purification agent to water during purification process was obtained.

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