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土壤渗滤对有机微污染物去除性能研究

Keywords: 土壤渗滤,再生水,DOC,UV254,AOX,液相色谱-有机碳探测

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Abstract:

采用土壤柱试验研究了土壤渗滤对再生水中有机微污染物的去除性能。结果表明,土壤柱对再生水中的DOC、UV254、总氮和总磷有较好的去除效果,并具有较高的抗冲击负荷的能力;土壤表层10cm厚度对DOC的去除起主要作用;UV254和AOX在土壤表层10cm厚度降解效果不明显,随着深度增加去除率逐渐升高;液相色谱有机碳探测(LC-OCD)检测结果表明,土壤柱对溶解性有机物质的去除主要体现在对多糖物质的降解上,其次是有机酸类,对腐殖质也有一定的去除作用。

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