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2008,17(3):3322335ActaAgriculturaeBoreali2occidentalisSinica3,,3(,712100):,,55V,24L/h2920s/cm,534.59mg/L19%81%14000s/cm11.8s/cm;2700mg/L13mg/L,:;;:X824:A:100421389(2008)0320332204ElectrodialysisTreatmentofAmmoniaNitrogenWastewaterYUGuang2ya,YANGZhan2sheandHUShi2bin3(CollegeofScience,NorthwestA&FUniversity,YanglingShaanxi712100,China)Abstract:Thepaperexploredammonianitrogenwastewatertreatmentbytheapplicationofelectrodi2alysisandoptimizationresearchwasconductedwithregardtotechnologyprocess.Thefollowingtech2nologicalparametersareobtainedthroughlaboratorystudy:electrodialysisvoltagewas55V;intakeflowwas24L/h.Inflowconductivityofammonianitrogenwastewaterwas2920s/cm;ammoniani2trogenconcentrationwas534.59mg/L.Thepercentagesofhighsalinitywaterandfreshwaterindis2chargechamberwas19%and81%respectively.Therespectiveelectricconductivityofhighsalinitywaterandfreshwaterwas14000s/cmand11.8s/cm;thecontentsofammoniaandnitrogenwas2700mg/Land13mg/Lrespectively.Thewastewater,throughelectrodialysistreatment,willnoton2lyreachthedischargestandard,butalsomeettherequirementofrecycle.Keywords:Ammonianitrogenwastewater;Electrodialysis;Electricconductivity,,,:,;,;,,,,[122],,,[3],,,[4],,,,70%,,,,[5],3:2007211205:2008201203:(1979-),,,3:,,,,,,,11.1,11Fig.1Electrodialysisprocesschart1.2,,,,NH4+,OH-(Cl$SO42-),,NH4+OH-(Cl$SO42-)1.31.3.1:Q(C-C)=iAMn/F(1),P=R(iAM)2/Q(2)(1)(2)P=RQ(c-c)2F22n2(3)i,AM,R,F,n,,Q,CC(3),in,,,,,,,,[6],1201.3.2,,,1.3.3,,11Table1Wastewaterqualityinnitrogenousfertilizerfactory/(s/cm)ElectricconductivitypH/(mg/L)Ammonianitrogen/(mg/L)Volatilephenol/(mg/L)SuspendedmatterCOD/(mg/L)()Saturation(dilutionmultiple)/(mg/L)Sulfide29209.7534.590.22106.745.2840.5133333:22.1,55V,,2,1424L/h,,,,60L/h,24L/h,7.1s/cm24L/h,,,33,2Fig.2Theeffectofflowrateonoutflowelectricconductivity3Fig.3Theeffectofvoltageonoutflowelectricconductivity,55V,7.1s/cm,55V,24L/h2.2,55V,24L/h,19%,81%14000s/cm,2700mg/L;11.8s/cm,13mg/L[7]22,,,98%2Table2ComparisonbetweenexperimentsystemoutflowandmediumsyntheticammoniaindustrialpollutantdischargestandardIeampH/(mg/L)Ammonianitrogen/(mg/L)Volatilephenol/(mg/L)SuapendedmatterCODcr/(mg/L)/(mg/L)SulfideDischargestandard69700.11001500.50Systemoutflow6.33130.024033.440.4133.13.2:55V,24L/h,98%3.3,,:[1].[J]..2000,26(2):37240.[2],.[J].,2004,22(2):528.43317[3],.[J].,2002,26(2):37240.[4].2[J].,2006,15(1):1092112.[5],.[J].,2004,22(2):528.[6].[M].:,1998.2522253[7].GB1345822001.(327),,3g/L60300r/min5min,69%,,:[1]BissessurJ,PermaulK,OdhavB.Reductionofpatulinduringapplejuiceclarification[J].Journaloffoodprotec2tion,2001,121621219.[2]RadhiaM,MarcM,NicolasG,etal.Themycotoxinpatu2linaltersthebarrierfunctionoftheintestinalepithelium:mechanismofactionofthetoxinandprotectiveeffectsofglutathione[J].ToxicologyandAppliedPharmacology,2002,181:2092218.[3],,,.[J].,2007,16(1):26229.[4]HuebnerHJ,MayuraK,PallaroniL,etal.Developmentandcharacterizationofacarbon2basedcompositematerialforreducingpatulinlevelsinapplejuice[J].Journaloffoodprotection,2000,63:1062110.[5]LeggottNL,ShephardGS,StockenstromSN.Thereduc2tionofpatulininapplejuicebythreedifferenttypesofacti2vatedcarbon[J].FoodAdditives&Contaminants,2001,18:8252829.[6]KadakalC,NasS.Effectofactivatedcharcoalonpatulin,fumaricacidandsomeotherpropertiesofapplejuice[J].Nahrung,2002,46:31233.[7].[M].:,1989.[8]MutluM,HizarciogluN,GokmenV.Patulinadsorptionkineticsonactivatedcarbon,activationenergyandheatofadsorption[J].JournalofFoodScience,1997,62:1282130.5333: