第53卷第2期2024年2月纳滤膜对不同水源中无机物处理效果及膜污染特性分析张百强"，陈发明”，糜自栋"，孙韶华12，宋武昌”，刘建广，贾瑞宝1.2（1.山东建筑大学市政与环境工程学院，山东济南250101;2.山东省城市供排水水质监测中心，山东济南250014）摘要：针对不同水源地(引黄水库、微污染湖泊、河流)水质差异问题，分别选取了不同典型水体(山水库、南阳湖和沂河)开展纳滤实验,探究了NF1、NF2两种纳滤膜对不同水源中无机污染物的去除效能与膜污染情况。结果表明,3种原水经过预处理和纳滤处理后pH值略有下降,浊度均在0.186NTU之下，总硬度、溶解性总固体（TDS)的含量均较低。NF1和NF2对一价离子平均去除率分别达到92.35%，42.35%以上，对二价离子的平均去除率分别可达97.87%，85.67%以上；NF2在处理南阳湖原水后，无机污染情况较为严重；酸碱联合冲洗对污染膜的修复效果更好。关键词：纳滤；无机物；去除率；膜污染中图分类号：TQ028.8AnalysisofnanofiltrationmembranetreatmenteffectandmembranepollutioncharacteristicsofinorganicsubstancesindifferentwatersourcesZHANGBai-qiang",CHENFa-ming",MIZi-dong',SUNShao-hua'-2,SONGWu-chang",LIUJjian-guang',JIARui-baol.2(1.SchoolofMunicipalandEnvironmentalEngineering,ShandongJianzhuUniversity,Ji'nan250101,China;2.ShandongUrbanWaterSupplyandDrainageQualityMonitoringCenter,Ji'nan250014,China)Abstract:Inviewofthewaterqualitydifferencesamongdifferentwatersources(YellowRiverreservoir,slightlypollutedlakesandrivers),differenttypicalwaterbodies(QueshanReservoir,NanyangLakeandYiheRiver)wereselectedtocarryoutnanofiltrationexperiments,andtheremovalefficiencyofinorganicpollutantsindifferentwatersourcesandmembranepollutionofNF1andNF2nanofiltrationmembraneswereinvestigated.Theresultsshowedthatafterpretreatmentandnanofiltrationtreatment,thepHvalueofthethreerawwaterdecreasedslightly,theturbiditywasbelow0.186NTU,andthecontentsoftotalhard-nessanddissolvedtotalsolids(TDS)werelower.TheaverageremovalrateofNF1andNF2forunivalentionsreached92.35%and42.35%,respectively,andtheaverageremovalratefordivalentionsreached97.87%and85.67%,respectively.AfterNF2treatmentofrawwaterfromNanyangLake,inorganicpol-lutionwasmoreserious.The...
