2023·13科研开发171ModernChemicalResearch当代化工研究2023·13科研开发171ModernChemicalResearch当代化工研究纳米Fe2O3改性聚丙烯纤维膜的制备及油水分离性能研究*王勇利1,2陈亚飞2*王方建2(1.嘉玺(上海)新材料科技有限公司上海2013062.安徽嘉玺新材料科技有限公司安徽232001)摘要:本文以聚多巴胺包覆聚丙烯纤维膜(PP@PDA)为基膜,通过原位水热生长法制备Fe2O3改性PP@PDA复合膜(PP@PDA@Fe2O3)。优化的PP@PDA@Fe2O3复合膜展现出超亲水/水下超疏油性。制备的复合膜具有优异的油水分离性能,分离效率达到98.4%以上,通量可达到13491L·m-2·h-1以上。经10次重复分离,膜的分离效率和通量没有明显降低,证明该复合膜具有良好的抗油污染性能和重复使用性能。优异的分离性能和抗污性使制备的复合膜在含油污水处理中具有广泛的应用前景。关键词:聚丙烯膜;超亲水/水下超疏油性;纳米Fe2O3;油水分离中图分类号:TB38文献标识码:ADOI:10.20087/j.cnki.1672-8114.2023.13.057PreparationofFe2O3ModifiedPolypropyleneFiberMembraneandStudyofOil/WaterSeparationPerformanceWangYongli1,2,ChenYafei2*,WangFangjian2(1.Jiaxi(Shanghai)NewMaterialsTechnologyCo.,Ltd.,Shanghai,2013062.AnhuiJiaxiNewMaterialTechnologyCo.,Ltd.,Anhui,232001)Abstract:ThePP@PDA@Fe2O3compositemembraneswerepreparedviain-situhydrothermalgrowthusingpolydopaminecoatedpolypropyl-enefibermembraneassubstrate.TheoptimalPP@PDA@Fe2O3compositemembraneexhibitssuperhydrophilicity/underwatersuperoleophobicity.Thecompositemembraneshowsexcellentoil/waterseparationperformancewithseparationefficienciesofover98.4%andfluxesofabove13491L·m-2·h-1.After10repeatedseparations,theseparationefficiencyandfluxofthemembranedidnotsignificantlydecrease,indicatingthegoodantifoulingandreusability.Theexcellentseparationperformanceandantifoulingabilitymakethecompositemembranehasbroadapplicationprospectsinoilywaste-watertreatment.Keywords:polypropylenemembrane;superhydrophilicity/underwatersuperoleophobicity;nano-Fe2O3;oil/waterseparation1.绪论随着现代工业的快速发展,大量排放的含油污水严重影响生态环境和人类健康[1-2]。与传统含油污水处理策略(如重力沉降、气浮和混凝等[3])相比,膜分离法以分离效率高、...