草浆造纸黑液无污染排放治理新方案双极膜电渗析法回收碱刘彦华

———122111.1000832.100124、。50%～80%1t2500kW·h。60%。NEWPROGRAMONNON-POLLUTINGEMISSIONANDTREATMENTONSTRAWPULPBLACKLIQUOR———ALKALIRECOVERYUSINGBIPOLARMEMBRANE-ELECTRODIALYSISLiuYanhua12GeDaocai2YangChao1LiShiqi11.MetallurgicalandEcologicalEngineeringSchoolBeijingUniversityofScienceandTechnologyBeijing100083China2.BeijingNengtaiEnvironmentalProtectionIndustryGroupBeijing100124ChinaAbstractThisarticleintroducestheschemesoftreatingthesodastrawpulpblackliquorusingmembranetechnologywithanemphasisonthesodastrawpulpblackliquorresourcerecoverytechnologyandadvancesthenewtechnicalschemeinwhichtheligninintheblackliquorisneutralizedbysulfuricacidorrecoveredbynanofiltrationschemeandthenusingbipolarmembraneelectrodialysistorecovertheacidandalkaliintheblackliquorwithoutligninfinallyevaporationandspraydryingareusedtorecoversugarothernutrientsandmostofthewaterthusachievingthepurposeofnon-pollutingemissions.Thescheme'salkalirecoveryrateis50%～80%dependingonthealkalineconcentrationoftheblackliquorandtheenergyforrecycling1tonofalkaliisnomorethan2500kWh.Over60%basicinvestmentcanbesavedbythismethodascomparedwiththealkalirecoverymethodwhichhasabettereconomicbenefit.Keywordsbipolarmembraneelectrodialysissodastrawpulpblackliquor0、、、、、、COD14mg/L。26m3、、。“”。、。123456。1-4566320106283、。6。1207021。1PbO2。4～6VNa+OH－NaOHH+pHpH6CaO。1t2500～3000kW·h。19884、3990～5611kW·h。19953。SO2CaSO3CaSO3。。1995—199756。。2。、3。23。。1。2、H2SO44。4、pH3.5～475℃60～90min50cm22300cm24.5～6.0V2500～3000kWh。1、。73201062832t1t1d340～400t170。26。11、。3、5。5、H2OH+OH－。6。6、1、117。－+±+－77-8。10000。1/3。、……H2SO4、、、、、24V。4V。、Na+SO2－4OH－H+NaOHH2SO4。。。……。2500kWh50%～80%。60%。3。、。。1t2500kWh50%～80%60%。1.J.1982385-94.2.J.1986124108-112.558320106283Chla100%MCLR98%。DOCUV254。pH7.4。1CaizaresPLobatoJPazRetal.Advancedoxidationprocessesforthetreatmentofolive-oilmillswastewaterJ.Chemosphere200767832-838.2BrillasEBoyeBSirésIetal.Electrochemicaldestructionofchlorophenoxyherbicidesbyanodicoxidationandelectro-Fentonusingaboron-dopeddiamondelectrodeJ.ElectrochimicaActa2004494487-4496.3LiXYDiaoHFFanFXJetal.ElectrochemicalwastewaterdisinfectionIdentificationofitsprincipalgermicidalactionsJ.JournalofEnvironmentalEngineering2004130101217-1221.4DelaedtYDaneelsADeclerckPetal.TheimpactofelectrochemicaldisinfectiononEscherichiacoliandLegionellapneumophilaintapwaterJ.MicrobiologicalResearch2008163192-199.5AbderrahmaneSHimourAPonsonnetL.InactivationofE.coliandPseudomonasaeruginosabyelectrochlorationunderbipolarpulsedpolarizationJ.MaterialsScienceandEngineeringC200828901-905.6SrkkHVepslinenMPulliainenMetal.ElectrochemicalinactivationofpapermillbacteriawithmixedmetaloxideelectrodeJ.JournalofHazardousMaterials2008156208-213.7Martínez-HuitleCABrillasE.ElectrochemicalalternativesfordrinkingwaterdisinfectionJ.ElectrochemicalWaterPurification2008471998-2005.8LiangWQuJChenLetal.InactivationofMicrocystisaeruginosabyContinuousElectrochemicalCyclingProcessinTubeUsingTi/RuO2ElectrodesJ.EnvironmentalScience＆Technology200539124633-4639.9XuYYangJQuMetal.StudyofMicrocystisaeruginosainhibitionbyelectrochemicalmethodJ.BiochemicalEngineeringJournal200736215-220.10PalmasSPolcaroAMVaccaAetal.InfluenceoftheoperatingconditionsontheelectrochemicaldisinfectionprocessofnaturalwatersatBDDelectrodesJ.JournalofAppliedElectrochemistry2007371357-1365.11DreesKPAbbsszadeganMMaierRM.ComparativeelectrochemicalinactivationofbacteriaandbacteriophageJ.WaterResearch2003372291-2300.12FengCSugiuraNShimadaSetal.DevelopmentofahighperformanceelectrochemicalwastewatertreatmentsystemJ.JournalofHazardousMaterials2003B10365-78.13VernhesMCBenichouAPerninPetal.Eliminationoffree-livingamoebaeinfreshwaterwithpulsedelectricfieldsJ.WaterResearch2002363429-3438.14OkochiMNakamuraNMatsunagaT.Electrochemicalkillingofmicroorganismsusingtheoxidizedformofferrocenemonocarboxyli[e-mail]2009－12－07櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄櫄383.J.1988145301-305.4.6C.1995.5.P.961097337.71977.6.P.96109531.81998.7YoshiwobuTanaka.Ionexchangemembranesfundamentalsandapplication[e-mail]2009－10－195520106283