以生物质为碳源制备多孔碳及其吸附性能研究

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1、万方数据AbstractIn恤study，cornstarchandshaddockpeelwereutilizedtopreparethecarbonmaterials．Themethodofpyrolysiscarbonizationwasadoptedinthestudyforitseasyoperationandcausinglittlepollution．Andtheresearchesaboutusingstarch。basedcarbonandshaddockpeel—basedcarbontoremov

2、eheavymetalionspollutantsincludingCu2+，Pb2+andCd2+fromsimulatedw硒tewaterwereca玎iedoutpreliminarily．Theas-preparedcarbonmaterialswerecharacterizedbyusingscanningelectronmicroscope，X-raypowerdiffractometerandFouriertransforminginfraredspectrum．ItWasfoundthatthemic

3、rostructureandsurfacefunctionalgroupsofthebiomasscarbonwerechangedwiththesynthesizingconditions．AlargenumberofporesinthebiomasscarbonandsomeoxygenfunctionalgroupsCancontributetotheadsorptionperformances．Thestructuresandtheadsorptionperformanceforas-preparedcarbo

4、natdifferentsynthesizingconditionswereexplored，suchastheconcentrationofstarch，thecontentofepoxychloropropane，thereactiontimeandthemaximumcarbonizationtemperature．Hi曲carbonizationtemperatureandmoderatecontentofepoxychloropropaneCanimprovepollutantremovalcapabilit

5、yforthebiomasscarbon．Theoptimalpreparationconditionsofstarch，basedcarbonwerethattheconcentrationofstarchWas3％，thecontentofepoxychloropropaneWas20％，thereactiontimeWas16handthemaximumcarbonizationtemperatureWas800。C．Theoptimalpreparationconditionofshaddockpeel—bas

6、edcarbonWasthatthemaximumcarbonizationtemperatureWas800℃．TheinfluencesofseveralexperimentalparametersincludinginitialpH，themassofbiomasscarbon，adsorptiontimeandinitialconcentrationofheavymetalionontheremovalofCu2+，Pff+andCd2+fromsimulatedwastewaterbythebiom舔sc孙o

7、nwerestudied．TheresultsshowedthattheoptimalinitialpHvalueforremovingCu2+，Pb什andCd2十withstarch-basedcarbonwere7．0，6．0and8．0，respectively．AndtheoptimalinitialpHvaluesforremovingCu2+，ab：+andCd2+withshaddockpeel．basedcarbonwere6．0．TheadsorptionequilibriumWasreachedi

8、n4h．TheabsorptionefficiencyforCu2+WasbetterthanforPb2+andCd2+，andtheabsorptionefficiencvfor万方数据Cd2+wastheworstamongCu2+．pb2+andCd2+．Theresultsshowedthattheadsorptionc