预览加载中，请您耐心等待几秒...

等离子体改性活性炭对铜离子吸附性能的研究.docx

预览
1/2
2/2

在线预览结束，喜欢就下载吧，查找使用更方便

下载提示 文本预览

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

等离子体改性活性炭对铜离子吸附性能的研究 Title:InvestigationontheAdsorptionPerformanceofPlasma-ModifiedActivatedCarbonforCopperIons Abstract: Theadsorptionperformanceofplasma-modifiedactivatedcarbon(PMAC)forcopperionswasinvestigatedinthisstudy.TheaimwastoexplorethepotentialapplicationofPMACasanefficientadsorbentfortheremovalofcopperionsfromaqueoussolutions.Theplasmamodificationprocesswasconductedtoenhancetheadsorptioncapacityandselectivityofactivatedcarbonforcopperions.TheexperimentalresultsdemonstratedthatPMACexhibitedimprovedadsorptionperformancecomparedtotheuntreatedactivatedcarbon.Thisresearchprovidesimportantinsightsintothedevelopmentofadvancedadsorbentsforthetreatmentofheavymetal-contaminatedwastewater. 1.Introduction: Thepresenceofheavymetals,suchascopperions,inwastewaterposesasignificantthreattotheenvironmentandhumanhealth.Theremovalofcopperionsfromindustrialeffluentshasbecomeagrowingconcernforenvironmentalresearchersandengineers.Activatedcarbonhasbeenwidelyusedasanadsorbentduetoitshighporosityandlargesurfacearea.However,thelowselectivityoftraditionalactivatedcarbonhaslimiteditsadsorptioncapacityforspecificheavymetalions.Plasmamodification,asaninnovativetechnology,hasshownpromisingresultsinimprovingtheadsorptionperformanceofactivatedcarbonforvariouspollutants.Thisstudyinvestigatesthepotentialofplasma-modifiedactivatedcarbon(PMAC)fortheefficientremovalofcopperions. 2.Methodology: 2.1Activatedcarbonpreparation:Commercialactivatedcarbonsampleswereobtainedandcharacterizedbeforeandafterplasmamodification.Theactivatedcarbonwasexposedtoplasmaataspecificpoweranddurationundercontrolledconditions. 2.2Adsorptionexperiments:Batchadsorptionexperimentswereconductedusingvariousinitialconcentrationsofcopperions.ThepH,contacttime,andadsorbentdosagewereoptimizedtodeterminetheoptimalconditionsforadsorption. 2.3Characterization:ThePMACsampleswerecharacterizedusingtechniquessuchasSEM,BETanalysis,andX-raydiffraction.Thechangesinthesurfacemorphology,surfacearea,andsurfacefunctionalgroupsofPMACwereana