新型磁性离子交换树脂对原水中痕量有机物的去除效能研究

收稿日期院2013-09-26修回日期院2013-10-22基金项目院国家自然科学基金资助项目渊51178159,50908073冤.作者简介院陈卫渊1958-冤袁女袁黑龙江哈尔滨人袁博士袁教授袁博士生导师袁主要从事水污染控制理论与技术研究.通讯作者院江禾芝渊1988-冤袁女袁浙江宁波人袁硕士研究生袁E-mail:christian.jhz@gmail.com.0引言MIEX渊Magneticionexchangeresin冤作为一种新型的离子交换树脂广受关注遥国内外研究表明[1-7]袁MIEX带有磁性袁具有连续操作性袁动力学反应速率高袁对带负电基团的有机污染物具有显著的去除效新型磁性离子交换树脂对原水中痕量有机物的去除效能研究陈卫1袁江禾芝1袁刘成1,2渊1.河海大学浅水湖泊综合治理与资源开发教育部重点实验室袁江苏南京210098曰2.河海大学环境科学与工程学院袁江苏南京210098)摘要院磁性离子交换树脂渊如MIEX等冤能有效去除大部分溶解性有机物(DOC)及溴离子等袁减少消毒副产物(DBPs)的生成袁为生产安全优质的饮用水提供新途径遥而m-PGMA是一种新型的自主研发的磁性离子交换树脂材料遥阐述了m-PGMA的基本特性袁并利用烧杯试验袁研究了其对原水中痕量有机物的去除效能袁并与MIEX进行了对比试验遥以原水中卡马西平尧磺胺嘧啶尧阿特拉津为目标痕量有机物袁通过高效液相色谱法等方法进行测定遥结果表明院m-PGMA对于磺胺嘧啶有明显的去除效果袁在反应时间为60min袁投加量为12mL/L时袁去除率达到83%曰其对卡马西平及阿特拉津的去除效果则较为低下袁在反应时间为60min袁投加量为12mL/L时袁卡马西平去除率一般只有24%袁阿特拉津去除率则一般不超过15%遥关键字院痕量有机物曰MIEX曰m-PGMA曰原水微污染中图分类号院X5文献标识码院A文章编号院1674-4829(2014)01-0000-07RemovalEfficiencyofOrganicMatterinRawWaterwithaNewMagneticIonExchangeResinChenWei,JiangHezhi,LiuChen(1.KeyLaboratoryofcomprehensivemanagementandresourcesdevelopmentoflakesandshallowwateronattachmenttoMinistryofEducation;2.CollegeofEnvironmentScienceandEngineering袁HohaiUniversity)粤遭泽贼则葬糟贼院Magneticionexchangeresin(MIEX)caneffectivelyremovemostofthedissolvedorganicmatter(DOC)andbromideions,whichisabletoreducedisinfectionbyproducts(DBPs),definitelyprovidingnewmethodforsafeandhighqualitydrinkingwater.Themagneticion-exchangeresincalledm-PGMAisanindependentlydevelopednewresinmaterial.Thispaperdescribesthemaincharacteristicsofm-PGMA.Moreover,byusingbeakerexperiment,astudyofitstraceorganicsremovalperformanceinrawwaterhasbeendoneaswellasacomparisonwithMIEX.Inrawwater,carbamazepine,sulfadiazine,atrazineweresetastargettraceorganics.Ahighperformanceliquidchromatographyandotherequipmentwereusedtoestimatetheremovaleffect.Theresultsshowedthat,duetom-PGMAnearly83%ofsulfadiazinewasremovedwithadosageof12mL/Latacontacttimeof60min;whileremovalefficiencyofbothcarbamazepineandatrazinewererelativelylow.Atacontacttimeof60min,withadosageof12mL/L,theremovalratedidn'texceed24%ofcarbamazepine,wh