电渗析和反渗透耦合深度处理制革高盐废水的研究胡栋梁

[1]。0.1Gt0.47%[2-5]。“+RO”[6-10]。TDS8g/L60%40%[11]。Cl-、SO42-、Na+、Ca2+COD“”[12]。、RO、ED。。、、MVR[13]。[14]MVRMVR[15]。EDRO、[16-19]。EDRO。“”[20]。12131241.3001302.3620003.3622004.300130“”。25V、30L/h、500L/hTDS150g/LTDS8.2g/L、COD330mg/L。28℃、900L/h、50%TDS72mg/L、CODGB/T19923－2005。。X703.1A1000-3770(2017)[e-mail][e-mail]4311201711Vol.43No.11Nov.,2017DOI:10.16796/j.cnki.1000-3770.2017.11.02410711.1“”COD406mg/LpH8.98Mg2+、Ca2+、Na+、SO42-、Cl-、TDS0.153、0.396、4.905、1.55、7.58、16.4g/L。1.247130mm×325mm100mm×220mm1.0mm111。ROLFC-LD-40402100mm。。1.3EDEDROEDCODROROED。1。EDRO[21]。EDTDS8g/L15%NaCl3%Na2SO42-、。1.4Ca2+、Mg2+EDTACl-AgNO3SO42-EDTACODGB11914－89[22]DDS-11A。EDηη=FqV(cdi-cdo)/(NI)。F96.485kC/molqVcdi、cdo、EDIN。22.1EDEDTDS、34L16(43)[23-24]。1:11。23。3R、TDS、、12345678910111213141516IIIIIIIIIIIIIIIIIIIIIIIIIVIVIVIVIIIIIIIVIIIIIIIVIIIIIIIVIIIIIIIVIIIIIIIVIIIIVIIIIIIIVIIIIVIIIIII14.514.815.015.410.711.111.511.87.010.612.012.56.68.29.210.6124.1125.4125.9127.9135.5138.6142.8143.3144.5145.9144.7145.9140.6150.4153.9153.570.8374.6676.7975.4464.6167.2975.2474.7167.2469.2970.2370.5861.7868.7672.8670.442L16(43)Tab.2L16(43)orthogonalexperimentanditsresultsABCρ(TDS)/(g·L-1)η/%/VA/(L·h-1)B/(L·h-1)CIIIIIIIV10152025203040503004005006001L16(43)Tab.1LevelofeachfactorofL16(43)orthogonalexperiment1ED-ROFig.1ED-ROcouplingprocess4311108。ED、。3TDS25VTDS150g/LTDS25VTDS8.65g/L。。ED。TDSTDS。TDS。ED。TDS8g/LTDS25V500L/h30L/hTDS8.2g/LTDS156.6g/LMg2+、Ca2+、Na+、SO42-、Cl-、TDS0.25、1.40、58.55、9.6、86.50g/LCOD2.016g/L。2.2EDCODEDCOD10g/h40L65%。EDCOD2。22hCOD2016mg/L767.2mg/L2h330mg/L。EDCOD。2.3RO2.3.1ROTDSROTDS。pH5[25-27]。800、850、900、1000L/h50%2h。3ROTDS28℃。3TDSFig.3EffectofflowratesonTDSofconcentratedwaterρ(TDS)/(g·L-1)01020304050600369121518t/d3Tab.3OrthogonalexperimentdataanalysisABCρ(TDS)/(g·L-1)ρ(TDS)/(g·L-1)η/%/3II/3III/3IV/3Rj/3II/3III/3IV/3Rj/3II/3III/3IV/3Rj14.9311.2810.538.656.28125.83140.05145.25149.6023.7874.4370.4669.3468.465.979.7011.1811.9312.582.88136.18140.08141.83142.656.4774.4370.4669.3468.465.9712.0511.1811.9311.031.03140.23140.18141.03139.301.7269.7070.6871.8870.442.182EDCODFig.2EffectofozonecatalytictimeonCODofelectrodialysisconcentratedwater01234560.00.51.01.52.02.5COD/(gL)t/h1093TDS900L/hTDS16.5g/L。RO2.2MPa146μS/cmTDS72mg/LCODGB/T19923－2005[28]。2.2.2ROTDS900L/h、28℃ROTDS44。4RO50%TDS16.5g/L。450%2.2MPa。3TDS16.4g/L、COD406mg/L25V、30L/h、500L/hEDTDS150g/L。、CODTDS8.2g/L、COD330mg/L。28℃、900L/h、50%ROTDS72mg/LGB/T19923－2005TDS16.5g/L。。[1],,,.[J].,2014,23(6):1014-1021.[2],,,.[J].,2008,31(6):73-77.[3]LOFRANOG,MERICS,ZENGINGE,ORHOND,etal.Chemicalandbiologicaltreatmenttechnologiesforleathertannerychemicalsandwastewaters:areview[J].ScienceofTheTotalEnvironment,2013,461:265-281.[4],,,.[J].,2014,34(8):87-89.[5]MANDALT,DASGUPTAD,MANDALS,DATTAS,etal.TreatmentofleatherindustrywastewaterbyaerobicbiologicalandFentonoxidationprocess[J].JournalofHazardousMaterials,2010,180:204-211.[6]MARIAE,ALMAZANJE,RAJALVB,CASTRO-VIDAURREEF,etal.Comparisonoftheperformanceofultrafiltrationandnano-filtrationmembranesforrecoveryandrecycleoftanninsintheleatherindustry[J].JournalofCleanerProduction,2016,135:71-79.[7],,,.[J].,2012,38(11):132-134.[8]MELLAB,GLANERTAC,GUTTERRESM.Removalofchromiumfromtanningwastewateranditsreuse[J].ProcessSafetyandEnviron-mentalProtection,2015,95:195-201.[9],,,.[J].,2008,34(4):68-69.[10]SUTHANTHARARAJANR,RAVINDRANATHE,CHITRAK,etal.Membraneapplicationforrecoveryandreuseofwaterfromtreatedtannerywastewater[J].Desalination,2004(1-3),164:151-156.[11]FABABUJ-ROGERM,MENDOZA-ROCAJA,GALIANA-ALEIXANDREMV,etal.Reuseoftannerywastewatersbycombinationofultrafiltrationandreverseosmosisafteraconventionalphysical-chemicaltreatment[J].Desalination,2007,204(1/3):219-226.[12],.[J].,2014,31(1):25-30.[13],,,.[J].,2015,41(11):16-21.[14]AHMEDM,SHAYYAWH,HOEYD,etal.Useofevaporationpondsforbrinedisposalindesalinationplants[J].Desalination,2000,130(2):155-168.[15],.[J].,2014,43(5):3-5.[16]HAMPYS,DESALEGR,SHAHIVK,etal.Developmentofhybridelectrodialysis-reverseosmosisdomesticdesalinationunitforhigh4TDSFig.4EffectofrecoveryratesonTDSofconcentratedwaterρ(TDS)/(g·L-1)01020304050600369121518t/minp/MPa2.002.082.202.36/%404550554Tab.4Recoveryratesandcorrespondingpressurechanges4311110Pilot-ScaleExperimentofBentazonePesticideWastewaterConcentrationbyMembraneTechnologyGAOChunmei1,ZHANGXianjin1,JIShifeng1,WANGZhiyuan1,HUMaogang2,JINXiaoli3,(1.CollegeofMarineEcologyandEnvironment,ShanghaiOceanUniversity,Shanghai201306,China;2.ShanghaiYuqingEnvironmentalProtectionEngineeringCo.Ltd,Shanghai201104,China;3.BASFPlantProtectionCo.Ltd,Rudong226407,China)Abstract:Thepesticidewastewaterhastoxicandharmfulsubstances,whichisdifficulttotreat,storageandtransport.Aprojectofpesticidewastewaterconcentrationbymembranewasproposed,andapilot-scaleexperimentwasestablished.TheSS,COD,TOC,andbentazoneinwatersimplewerecontinuouslymeasured.Theresultsshowedthat,theprocesscouldalmostcompletelyremovethesuspendedmatt