电渗析法处理丙烯腈废水的研究杨浩

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[]2007StudyonthetreatmentofacrylonitrilewastewaterbyelectrodialysisYangHao,ZhangXinsheng,WangWei,YuanWeikang(StateKeyLaboratoryofChemicalEngineering,EastChinaUniversityofScienceandTechnology,Shanghai200237,China),,,(,200237)[],。,,,。,;,。10V、50L/h,,16.81kJ/g,。,。[];;;[]X703.3[]A[]1005-829X(2008)12-0049-04Abstract:Electrodialysishasbeenusedforeliminatingammoniumsulphatefromacrylonitrilewastewater.Thede-saltingratedecreaseswiththeriseofflowrate,andincreaseswiththeriseofvoltage.Butwhenitgetstoacertainpoint,thedesaltingratebasicallydoesnotchangewiththechangeofvoltage.Theflowrateincreaseswhentheener-gyconsumptiondecreases.Thehigherthevoltageis,thehighertheenergyconsumption.Whenthevoltageis10V,andtheflowrateis50L/h,theelectrodialysiseffectisbetter.Theenergyconsumptionisabout16.81kJ/g.Theris-ingoftemperatureisgoodforcarryingontheprocessofelectrodialysis.Theresultsshowthatthismethodisreallyfeasible.Keywords:electrodialysis;acrylonitrilewastewater;ionexchangemembrane;ammoniumsulphate。、、、。、。,,(6%~10%)。,,NOXSOX,,。8.0×106t/a(20057.54×106t/a),1~1.5t/t,5.60×105tNO2、4.85×105tSOX;;、。,,,,,。,、、。,2050,,〔1〕、、〔2〕、,、、、〔3〕。,,,,。,。2812200812IndustrialWaterTreatmentVol.28No.12Dec.,20084911.1,、。6%,,COD40000mg/L,。1.2,1。4200mm×400mm,200cm2,,。,,;1%。、20~200L/h,50L/h,4~15V。1.3,,DDS11-A,。,,。(1)、(2)。:η=VC(Ct-C0)VDC0(1):C0———,mg/L;Ct———t,mg/L;VC———,L;VD———,L;η———,%。:W=Ut0乙IdtVC(Ct-C0)(2):U———,V;t0乙Idt———,C;W———,J/g。22.1。,,,,,,,〔4~6〕。,10V,,,2。2,,,。,,,,,,,,50L/h。10V,30、50、70、100L/h,,,3g/L()。(2),3。100908070605040302010020406080100120140/min30L/h50L/h70L/h100L/h/%265551234441—;2—;3—;4—;5—;6—12008-12,28(12)330025020015010050020406080100120/(L·h-1)3025201510/(kJ·g-1)/min—▲——■—503,,(3g/L),30L/h,28.87kJ/g,100L/h,15.72kJ/g,,,,,,,;,,30L/h,135min,100L/h,246min。,,,50L/h。2.250L/h,,4。4,15、10V,,7、4V,,120min,4V20%,10V15V90%94%。、〔7〕,,,,,〔8〕。,,,,,15、10V,。50L/h,(4、7、10、15V),,3g/L。(2),5。5,4V10V,,15V,,;。5V15V,,。,,,,,,。,10V,,。2.3,,,,。,。10V、50L/h,,6。6,。,,,;,,〔9,10〕。,,,,;100908070605040302010020406080100120140/min15V10V7V4V/%42502201901601301004812163025201510/(kJ·g-1)/min/V516015014013012011010029030031032033030252015/(kJ·g-1)/min/K6,:2008-12,28(12)51。,323K,16.81kJ/g。3。,,,。,;,。10V、50L/h,16.81kJ/g,。[][1],.[J].,2007,33(2):1-3.[2].[J].,2006,26(7):4-6.[3],,,.[J].,2006,15(3):216-219.[4]NikbakhtR,SadrzadehM,MohammadiT.Effectofoperatingpa-rametersonconcentrationofcitricacidusingelectrodialysis[J].JournalofFoodEngineering,2007,83(4):596-604.[5]PriyaMN,PalaniveluK.Removaloftotaldissolvedsolidswithsimultaneousrecoveryofacidandalkaliusingbipolarmembraneelectrodialysis-applicationtoROrejectoftextileeffluent[J].Indi-anJournalofChemicalTechnology,2006,13(3):262-268.[6]MohammadiT,RazmiA,SadrzadehM.Effectofoperatingparam-etersonPb2+separationfromwastewaterusingelectrodialysis[J].Desalination,2004,167(1-3):379-385.[7]WangT,YangW.Factorsaffectingthecurrentandthevoltageeffi-cienciesofthesynthesisofquaternaryammoniumhydroxidesbyelec-trolysis-electrodialysis[J].ChemicalEngineeringJournal,2001,81(1-3):161-169.[8]BanasiakLJ,KruttschnittTW,Sch覿ferAI.Desalinationusingelectrodialysisasafunctionofvoltageandsaltconcentration[J].Desalination,2007,205(1-3):38-46.[9]CifuentesL,CrisostomoG,IbanezJP,etal.OntheelectrodialysisofaqueousH2SO4-CuSO4electrolyteswithmetallicimpurities[J].JournalofMembraneScience,2002,207(1):1-16.[10]BolgerPT,SzlagDC.Investigationintotherejuvenationofspentelectrolessnickelbathsbyelectrodialysis[J].Environmen-talScience&Technology,2002,36(10):2273-2278.[](1978—),2006,:021-64252396,E-mail:yangh@mail.ecust.edu.cn。:,,:021-64253469,E-mail:xszhang@ecust.edu.cn。[]2008-08-08()!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!··、。,。2,3-、3,3:n(2,3-)∶n()∶n()=1~2∶2∶1~4,2,3--。100~1500。,COD93.4%。()———.CN1010417077,,。3.6m2,24t/d,。,。,。(2008-09-05)100%··2008-12,28(12),,20083.8,11。,4,5,4t。,,,。(2008-09-02)1152

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