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Study of influencing factors of the rapid infiltration system using artificial soil for treating rural sewage in the north

机译:北方农村人工污水快速渗滤系统影响因素研究

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Rural sewage has been treated by using the use of artificial soil rapid infiltration system, after 12 days the CRI complete to start. The impact of soil column height and soil-sand ratio was studied to removal ratio of sewage, the results showed that the best soil column height was 500mm, total nitrogen removal rate can reached 64%. When the soil-sand ratio was 1:1, removal rate of COD and TN were best, and effluent quality achieved "urban sewage treatment plant emission standards" (GB18918–2002) in a B standard.
机译:通过使用人工土壤快速渗透系统对农村污水进行了处理,在12天的CRI完全启动之后。研究了土柱高度和土沙比对污水去除率的影响,结果表明,最佳土柱高度为500mm,总氮去除率可达64%。当土沙比为1:1时,COD和TN的去除率最佳,出水水质达到B级“城市污水处理厂排放标准”(GB18918–2002)。

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