化学强化一级处理技术在东莞运河整治的应用

The chemically enhanced primary treatment technology applied for treatment of the Dongguan canal

应用化学强化一级处理技术对东莞运河上游至东城樟村段水质进行净化处理,可去除河水中的COD_(Cr)、BOD_(5)、总磷,进水平均浓度分别为44.54、12.97、0.97 mg/L,出水平均浓度分别24.62、8.15、0.31 mg/L,平均去除率分别达到44.26%、36.81%、67.66%,出水水质达到《地表水环境质量标准》(GB 3838—2002)Ⅴ类水标准。

The chemically enhanced primary treatment technology applied for purification treatment from the upstream to Zhangcun community of Dongguan canal.It can remove the waste water of chemical oxygen demand, biochemical oxygen demand of five days, total phosphorus.The water inlet the above three indexes of the average concentration for 44.54,12.97 and 0.97 mg/L,respectively.The water oulet the above three indexes of the average concentration for 24.62,8.15 and 0.31 mg/L,respectively.The above three indexes of the average removal rate reached 44.26%,36.81% and 67.66%,respectively.The water quality of outlet has reached the surface water environment quality standards.