化水进入市政管网

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(,300192):,,,,,:;;;;:TU99:C:1000-4602(2009)08-0084-04ConsiderationsonIntroductionofDesalinatedSeawatertoMunicipalWaterDistributionSystemGEYun2hong,LIUYan2hui,ZHAOHe2li,SULi2yong,RUANGuo2ling(InstituteofSeawaterDesalinationandMultipurposeUtilization,SOATianjin,Tianjin300192,China)Abstract:Inrecentyears,seawaterdesalinationdevelopsrapidlyinChina,desalinationplantstendtolargescale,andtheuseextendsfromindustrialtomunicipalsupply,whichmeansthatintroduc2tionofdesalinatedseawatertomunicipaldistributionsystemhastobeconsidered.Thedifferencebetweendesalinatedseawaterandconventionaltapwaterisexpoundedbasedonhealthandprotectionofdistribu2tionsystem,andthewaterqualitytargetsandrequirementsduringposttreatmentaswellasthewaterqualitystabilizationmethodsarepreliminarilyputforward.Furthermore,theposttreatmentmethodsofmunicipaldesalinatedseawaterofinternationallargescaleseawaterdesalinationprojectareintroduced.Keywords:desalinatedseawater;waterqualitystabilization;municipaldistributionsystem;posttreatment;remineralization:(2007-G04);(2006BAB203A01),(60%),20,12561%,20086,5233104m3/d,67%1,1/501.3104,,4825820094CHINAWATER&WASTEWATERVol.25No.8Apr.2009©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(),,,(WHO)11WHOTab.1ComparisonofwaterstandardsamongChina,WHOandEUmgL-1WHO()4501.01.51.50.50.51.022Tab.2AnalyticalresultsofwaterobtainedbydifferentdesalinationprocessesMSFMEDSWROSWROpH6.56.77.046.5/(mgL-1)1010238308()/(mgL-1)11.0214.526.09/(mgL-1)0.010.010.0100.205/(mgL-1)0.0200.0200.720.40.7:MSF,MED,SWRO12,,,:,120mg/L;,10500mg/L,,(13mg/L),,1mg/L(),WHO,,,(450mg/L,),,,2030mg/L10mg/L,(400500mg/L,),,,,,58:258©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[1],,1.3mg/L,,,0.010.02mg/L66%,0.231.6mg/L,90%0.24mg/L[2],,,4.6mg/L,6mg/L(0.02mg/L),,1.0mg/LWHO0.5mg/L,1.0mg/L,(1mg/L)WHO1.0mg/L,,0.5mg/L,,0.400.75mg/L;,14mg/L,,0.4mg/L[3],,,[4],,SWC3+SWC4+SWC5ESPAB,SW30HRSW30HRLE,TM820A,91%,96%,pH,(EPA):,5mg/L,WHO2.4mg/L,,,,,,1.52.5mg/L,(),,(100km)(),,212,pH,,,,,,,,pH,,,,,,40mg/L(),:,,68258©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(DBPs),,1%,45mg/L,1217mg/L,,,NaOHNaHCO3Na2CO3CaOCaCl2,:Ca(OH)2+Na2CO3=CaCO3+2NaOHCaCl2+2NaHCO3=Ca(HCO3)2+2NaClCaCl2+2Na2CO3+H2O=Ca(HCO3)2+2NaClCO2,():Ca(OH)2+2CO2=Ca(HCO3)2MadinatYanbuAl-SinaiyahSWRO(5104m3/d)pH,,[5];(12.5104m3/d),Robina,Mudgeeraba,Mo2lendinar,,pH88.5(,),,,pH:CaCO3+CO2+H2O=Ca(HCO3)2;2CaCO3+H2SO4=Ca(HCO3)2+CaSO4HiddIWPPMED-TVC(27.25104m3/d),pHPal2machim(11104m3/d),45%55%,,(Mekorot),Mekorot,3,,,,,:;;;,,,:[1],,,.Researchonrelationshipbe2tweenfluorineintapwaterandthatinurineofChineseresidents[J].:,2004,23(4):373-379.[2]AbdulrahmanIA.Fluoridecontentindrinkingwatersup2pliesofRiyadh,SaudiArabia[J].EnvironMonitAssess,1997,48(3):261-272.[3]AmosBick,GideonOron.Post2treatmentdesignofseawa2terreverseosmosisplants:boronremovaltechnologyse2lectionforpotablewaterproductionandenvironmentalcontrol[J].Desalination,2005,178:233-246.[4],,,.[J].,2006,22(14):71-71.[5]AkiliDKhawaji,LbrahimKKutubkhanah,Jong2MihuWie.A13.3MGDseawaterROdesalinationplantforYanbuIndustrialCity[J].Desalination,2007,203:176-188.:(022)8789815113821325067E-mail:[e-mail]:2009-01-0778:258