正渗透处理电镀废水膜污染研究

WaterPollutionandTreatment水污染及处理,2020,8(1),14-23PublishedOnlineJanuary2020inHans.http://www.hanspub.org/journal/wpthttps://doi.org/10.12677/wpt.2020.81003文章引用:何傲,黄满红,陈刚.正渗透处理电镀废水膜污染研究[J].水污染及处理,2020,8(1):14-23.DOI:10.12677/wpt.2020.81003MembraneScalinginForwardOsmosisfortheTreatmentofElectroplatingWastewaterAoHe1,2,ManhongHuang1,2,GangChen1,2*1CollegeofEnvironmentalScienceandEngineering,DonghuaUniversity,Shanghai2StateEnvironmentalProtectionEngineeringCenterforPollutionTreatmentandControlinTextileIndustry,ShanghaiReceived:Nov.29th,2019;accepted:Dec.16th,2019;published:Dec.26th,2019AbstractElectroplatingwastewaterwastreatedviaforwardosmosis(FO)usingthin-filmcomposite(TFC)polyamidemembraneandcellulosetriacetate(CTA)membrane.Byinsitumonitoringthechangeofwaterflux,itwasfoundthatthewaterfluxdeclinedpatternswerequitedifferentforTFCandCTAmembranesduringtreatingelectroplatingwastewaterviaFOprocess.Thepristinemorphol-ogiesofTFCandCTAmembranewereobservedusingscanningelectronmicroscopy(SEM)andatomicforcemicroscope(AFM).Moreover,thescaledTFCandCTAmembranesurfaceswereex-aminedbyenergydispersivespectrometer(EDS)totestthechangeofelementarycompositionofthetwomembranesurfacesbeforeandafterexperiments.TheresultsofEDSshowedthatcalciumandsulfurappearedonthescaledmembranesurfacecomparedwiththevirginmembranesurface.Additionally,toidentifythescalantsdepositedonthemembranesurface,thecollectedwhitesca-lantswereanalyzedbyX-raydiffraction(XRD).TheresultofXRDshowedthatthescalantsweremainlygypsum.TheresultsofX-rayphotoelectronspectroscopy(XPS)showedthattheTFCmem-branewithcarboxylicfunctionalgroupswascombinedwithcalciumions.KeywordsForwardOsmosis,ElectroplatingWastewater,MembraneScaling正渗透处理电镀废水膜污染研究何傲1,2，黄满红1,2，陈刚1,2*1东华大学环境科学与工程学院，上海2国家环境保护纺织污染防治工程技术中心，上海*通讯作者。何傲等DOI:10.12677/wpt.2020.8100315水污染及处理收稿日期：2019年11月29日；录用日期：2019年12月16日；发布日期：2019年12月26日摘要利用聚酰胺正渗透膜(TFC膜)和筛网内嵌式三醋酸纤维素正渗透膜(CTA膜)对电镀废水进行正渗透(FO)处理。通过实时监测水通量的变化，发现两种膜在处理电镀废水中的过程中水通量下降情况有较大差异。运用场发射电镜(SEM)、原子力显微镜(AFM)表征了两种正渗透膜表面结构的差异。此外，采用能谱仪(