低离子强度调控下老化微塑料与阿特拉津共迁移回收研究

关键词：低离子强度；老化微塑料；阿特拉津；共迁移；回收策略 中图分类号：X52 文献标识码：A 文章编号：1008-9500(2026)02-0248-03 DOI: 10.3969/j.issn.1008-9500.2026.02.076

Study on Co-migration and Recovery of Aged Microplastics and Atrazine Under Low Ion Intensity Regulation

YAN Xifeng,WANGLing (East China University of Technology,Nanchang33OO13,China)

Abstract: Microplasticsundergoaging inthe environment to generate surface structures with higheroxygencontent,which caneasilyform compositepollutants with thepesticideatrazine.Theirco-migration characteristicsposechallnges for recyclingandtreatment.Lowion intensityenvironmentcanimprove theco-migration eficiencyofthecompositesystem and provideanew pathway forrecycling byregulating the interface interactionand hydraulicpropertiesof thecomposite system.Starting fromthe mechanismoflowion intensityonthe surface charge,atrazine distribution behavior,and comigrationhydrauliccharacteristicsofagedmcroplastics,thispaperanalyzestheinterfaceonstraints,technicalimitations, andinsuffcientscenarioutilzationinthecurrentco-migrationrecyclingofagedmicroplasticsandatrazine,and proposes recycling strategiessuchasdynamicionregulation,coupledsurface modification,and hydraulic gradient optimization.

Keywords:low ion intensity;aged microplastics; atrazine; co-migration; recovery strategy

微塑料在自然环境中会经历光照氧化、生物降解等老化过程，表面逐渐生成羟基、羧基等含氧官能团，这一变化使其对环境中有机污染物的吸附能力显著减弱。（剩余4222字）