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纳滤组合工艺深度处理微量污染物 被引量:5

Advanced treatment of trace pollutants by a combination process of nanofiltration with other process
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摘要 以污水处理厂的二级出水为处理对象,研究纳滤组合工艺(微滤-活性炭过滤-微滤-纳滤)对微量污染物的处理效果.结果表明,该工艺对浊度和TOC均有较好的去除效果,出水平均值分别为0.13 NTU1、.93 mg/L;对重金属砷、镉、铅的平均去除率分别为54.94%、86.73%和83.40%;对邻苯二甲酸酯类物质的截留效果较好,其中DBP和DEP的平均去除率分别为78.91%和78.95%. Taking the effluent from secondary sedimentation tank of a wastewater treatment plant as research object,the treatment effect of trace pollutants was investigated by the combination of nanofiltration with other process(microfiltration/activated carbon/microfiltration/nanofiltration).The results show that this process is favorable to the removal of turbidity and TOC,the average values of which in the effluent are 0.13 NTU and 1.93 mg/L.The average removal rates of As,Cd,Pb are 54.94%,86.73% and 83.40%,respectively.Nanofiltration membrane can reject phthalic acid esters(PAEs) effectively,and the average removal rates of DBP,DEP are 78.91% and 78.95%,respectiveiy.
出处 《膜科学与技术》 CAS CSCD 北大核心 2010年第5期103-106,共4页 Membrane Science and Technology
关键词 微滤 纳滤 微量污染物 深度处理 microfiltration nanofiltration trace pollutants advanced treatment
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