城市污水深度处理及中水回用李长东

11112(1.,116023;2.,116023):9600t,++:,:;;;ADVANCEDTREATMENTOFURBANSEWAGEANDREUSEOFTREATEDWATERLiChangdong1ZhangXingwen1YangFenglin1CaoWeina1LiWenxia2(1.SchoolofEnvironmentalandBiologicalScienceandTechnology,DalianUniversityofTechnology,Dalian116023,China;2.DalianChunxingEnvironmentalEngineeringCo.,Ltd,Dalian116023,China)Abstract:Anengineeringexamplewasintroducedinwhichbiologicaltreatment,twostagefiltrationandreverseosmosisprocesswereappliedtotreaturbansewageforcirculatingcoolingwaterandsourcewaterofboilermake-upwatertreatmentsystemofthethermalpowerplant,whosedesigningabilitywas9600td.Thefunctionandcharacteristicsofthekeytechnologicalunitswerealsoinvestigated.Theoperationalresultsshowedthattheprocesswasreliableandtheeffluentqualitycouldmeettheindexrequirementsofreusewaterforthermalpowerplants.Keywords:thermalpowerplant;reuseofreclaimedwater;circulatingcoolingwater;pretreatmentofRO,600400,,[1]++,,9600td,,,+1,121mgL(COD)(BOD5)()()()(SS)(TDS)NTUpH(scm-1)()()()653228.635.14.614.8738107.413.034112000.060.631362mgL(COD)(SS)()(TDS)NTU(mL-1)pH(scm-1)()()350.5125511056.58.51.53003.53.0()()()()()()()()0.50.80.60.20.05510-30.19257402006(06C26222120795)2620096273DOI:10.13205/j.hjgc.2009.03.01221,12.1,,,,:7m14m;4,;3h;101;15m3h14m,,,11,,,,,[2],,,,,,,,2,,,420m3,3h,,15.6mgL2.2,332m4.82m4.5m4.5m3.8m5,6,MPa0.34(mh-1)28365h2472(kgm-3)51024NaClO,DA863,,;,,,,,,,,2.3NaClO,,,NaHSO3,,:,GEAG8040F-1296WET,,,,4,25,RO178,7,9600m3d27200962733,[3],20071,,2SDI3.24.0,0.1NTU,0,233,,2007121,,23MPa%(m3h-1)%(scm-1)2007020.150.163.636598.738.32007040.170.1366.638899.135.42007060.180.1469.139398.936.62007080.160.1469.539098.438.72007100.180.137039698.637.42007120.210.1468.538498.143.12008020.170.1568.838498.436.52008040.180.1469.439198.337.92008060.180.1468.638998.335.842860,14400t,9600t0.48t,2302.353t,330d,8454.1t(0.9t),317t,1300,,245,700,4475t,,COD307t,163t,131t,5+,,,,,,[1]AndersonJM.Integratingrecycledwaterintourbanwatersupplysolutions[J].Desalination,2006,187:1-9.[2],,[J].,2007,29:190-192.[3]WolfPH,SivernsS,MontiS.UFmembranesforROdesalinationpretreatment[J].Desalination,2005,182:293-300.116023402(0411)[e-mail]2008-09-02(11)[2]AmarD,PartosJ.Theuseofanupflowfixedbedreactorfortreatmentofaprimarysettleddomesticsewage[J].WatRes,1986,20(1):9-14.[3],,.[J].,1998,14(1):18-20.[4].[M]..:,1993.[5].[D].:,2003.[6],,.[M].,2000:14-114.[7].[D].:,[e-mail]2008-07-102820096273