CN119425612A 一种碱式碳酸镁纳米纤维吸附剂及其制备方法和应用 （河北工业大学）

一种碱式碳酸镁纳米纤维吸附剂及其制备本发明属于吸附材料制备和污染水体修复2溶性镁盐的Mg2+与可溶性碳酸盐的CO6.一种权利要求1~5任一项所述的制备方法制得的碱式碳9.一种权利要求6所述的碱式碳酸镁纳米纤维吸附剂在制备诺氟沙星吸附剂中的应3433沙星去除率高达92%；通过拟合得出碱式碳酸镁纳米纤维吸附剂对诺氟沙星的最大吸附量[0020]图3为实施例1的碱式碳酸镁纳米纤维吸附剂对诺氟沙星的吸附能力和吸附效率[0023]图6为实施例2的碱式碳酸镁纳米纤维吸附剂对诺氟沙星的吸附能力和吸附效率[0025]图8为实施例2的碱式碳酸镁纳米纤维吸附剂在不同浓度诺氟沙星溶液中的吸附[0026]图9为实施例2的碱式碳酸镁纳米纤维吸附剂对诺氟沙星的吸附进行朗格缪尔拟5制得的415型碱式碳酸镁稳定性好，将制得的415型碱式碳酸镁用于去除水中的诺氟沙星现有技术吸附剂对比最大吸附量，证明了碱式碳酸镁纳米纤维吸附剂具有优异的吸附性6[0042]本发明实施例1~实施例4均制得稳定性好、对诺氟沙星吸附能力好的碱式碳酸镁纳米纤维吸附剂，下面以实施例1和实施例2的碱式碳酸镁纳米纤维吸附剂为例进行研究，7[0052]四、采用实施例2的碱式碳酸镁纳米纤维吸附剂对不同浓度诺氟沙星进行吸附实[0055]图1结果表明，实施例1制备的碱式碳酸镁纳米纤维吸附[0058]图4结果表明，实施例2制备的碱式碳酸镁纳米纤维吸附8朗格缪尔等温吸附模型，拟合结果表明，415型碱式碳酸镁对诺氟沙星的最大吸附量为[0064]表1为本发明碱式碳酸镁纳米纤维吸附剂对诺氟沙星的最大吸附量与现有技术诺[0065]表1碱式碳酸镁纳米纤维吸附剂的最大吸附量与现有技术诺氟沙星吸附剂对比表Efficientadsorptionandseparationofnorfloxacinfromwaterbyallophaneaerogelmicrospheres.Sep.Purif.Technol.,2023,27,124808.https:///10.1016/j.seppur.2023.toxicandbiodegradableĸ_carrageenan/ZnOhydrogelforadsorptiveremovalofnorfloxacin:Optimizationusingresponsesurfacemethodology.Int.J.Biol.Macromol.,2023,238,124145./10.1016/j.ijbiomaEfficientwithlow_costremovalandadsorptionmechanismsofnorfloxacin,ciprofloxacinandofloxacinonmodifiedthermalkaolin:experimentalandtheoreticalstudies.J.Hazard.Mater.,2022,430,128500.ht10.1016/j.jhazmat.2022H.;Yan,B.F.Highreusabilityandadsorptioncapacityofacidwashedcalciumalginate/chitosancompositehydrogelspheresintheremovalofnorfloxacin.Chemosphere,2023,335,139048./10.1016/j.chemosphere.2023.139growsinchitosan_rGOhydrogelbeadsforefficientadsorptionoandnorfloxacin.Sep.Purif.Technol.,2024,330,125208./10.1016/j.seppur.2023.[0071][6]Poddar,K.;Sarkar,D.;Sarkar,A.Norfloxacinadsorptionbytorrefiedcocopeatbiocharasanoveladsorbentinacirculareconomyframework.Environ.Res.,2024,251,118711./10.1016/9J.W.Norfloxacinadsorptionandsubsequentdegradationonball_millingtailoredN_dopedbiochar.Chemosphere,2022,303,135264./10.1016/j.chemosphere.2022[0073][8]WanY.B.;Liu,X.;Liu,P.L.;Zhao,L.;Zou,W.H.Optimizationadsorptionofnorfloxacinontopolydopaminemicrospheresfromaqueoussolution:Kinetic,equilibriumandadsorptionmechanismstudies.Sci.Total[0074][9]Sun,M.;Yang,Y.K.;Huang,M.L.;Fu,S.K.;Hao,Y.Y.;Hu,S.Y.;Lai,D.L.;Zhao,L.Adsorptionbehaviorsandmechanismsofantibioticnorfloxacinondegradableandnondegradablemicroplastics.Sci.TotalEnviron.,2022,807,151042./10.1016/j.scit[0075][10]Yan,B.;Niu,C.H.AdsorptionbehaviorofnorfloxacinandsiteenergydistributionbasedontheDubinin_Astakho