预览加载中，请您耐心等待几秒...

离子印迹聚合物的制备及其对铜(Ⅱ)、铬(Ⅵ)吸附性能的研究.docx

预览
1/3
2/3
3/3

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

离子印迹聚合物的制备及其对铜(Ⅱ)、铬(Ⅵ)吸附性能的研究 Title:PreparationofIonImprintedPolymersandTheirAdsorptionPerformancetowardsCopper(Ⅱ)andChromium(Ⅵ) Abstract: Ionimprintedpolymers(IIPs)havegainedsignificantattentioninrecentyearsduetotheirhighselectivityandaffinitytowardsspecificmetalions.Inthisstudy,wepreparedionimprintedpolymersfortheselectiveadsorptionofcopper(Ⅱ)andchromium(Ⅵ).ThesynthesisprocessofIIPs,includingtemplateioncomplexation,polymerization,andtemplateremoval,wascarefullyoptimizedtoachievemaximumadsorptionefficiency.Furthermore,theadsorptionpropertiesoftheresultingIIPswereinvestigated,includingadsorptionkinetics,equilibriumadsorptioncapacity,andselectivitytowardsothermetalions.TheresultsshowedthattheIIPsexhibitedexcellentadsorptionperformancetowardscopper(Ⅱ)andchromium(Ⅵ)ions,whichcouldbeattributedtothespecificrecognitionsitescreatedduringtheimprintingprocess.Thisresearchprovidesvaluableinsightsintothedesignanddevelopmentofefficientadsorbentmaterialsformetalionremovalinenvironmentalandindustrialapplications. 1.Introduction Metalionsplayacrucialroleinmanyindustrialprocesses,buttheirexcessivereleaseintotheenvironmentcancauseseverepollutionandhealthhazards.Amongvariousmetalions,copper(Ⅱ)andchromium(Ⅵ)arewidelyfoundinindustrialeffluentsandwastewaterduetotheirextensiveuseinvariousindustries.Therefore,efficientmethodsfortheirremovalfromaqueoussolutionsareurgentlyrequired.Traditionalmethodsformetalionremovalsuchasprecipitation,coagulation,andmembranefiltrationhavelimitationsintermsofselectivity,efficiency,andcost-effectiveness.Inrecentyears,thedevelopmentofadsorbentmaterials,particularlyionimprintedpolymers,hasemergedasapromisingsolution. 2.SynthesisofIonImprintedPolymers 2.1TemplatePreparation Thecopper(Ⅱ)andchromium(Ⅵ)ionswerecomplexedwithsuitablefunctionalmonomerstoformstabletemplateions.ThepH,concentration,andreactiontimewereoptimizedtoformstablecomplexes. 2.2Polymerization Thetemplatecomplexeswerethenmixedwithfunctionalmonomersandacrosslinkingagent.Typicalfunctionalmonomersuse