化纤工业企业冷却水系统再生水回用及污水零排放李胜海

WATERPURIFICATIONTECHNOLOGYVol.29,No.6,2010December25th,2010PTAEGPETFDY、POY。CODCr10000mg／L。。。11.1、。450m3／600m31。《》GB50050—2007[1]COD≤30mg／L60~75mg／L。1.21。R25m3／h1221.3145002.200237。500m3。。X383A1009-0177201006-0085-05ReclaimedWaterReuseandZeroDischargeofWastewaterforRecyclingCoolingWaterSysteminChemicalFiberIndustrialEnterpriseLiShenghai1,ZhuKangsheng2,FengChangchun2(1.TongkunGroupCo.,Ltd.,Tongxiang314500,China;2.EastChinaUniversityofscienceandTechnology,Shanghai200237,China)AbstractChemicalfiberenterpriseusuallyuseswastewaterforrecyclingcoolingwatersystemafteradvancedtreatment.Inthispa－peracorrespondingmethodaimingattheproblemsintheprocesswasproposed.Theresultshowsthatthemethodcanuseatleast500m3reclaimedwatereachdayfromarunningfactory’s2-yearexperience,andthereclaimedwaterreusehasobviouseconomicbenefitonsavingwateranddecreasingwastewaterdischarge.Inaddition,thewastewaterofrecyclingcoolingwatersystemachieveszerodischargeofwastewaterthroughreverseosmosistechnology.KeywordschemicalfiberindustrialenterpriserecyclingcoolingwatersystemreclaimedwaterreusereverseosmosisROzerodischargeofwastewater[][](1966-)。13705838552E-mail:[e-mail]。[]13801959699E-mail:[e-mail]。201029685-89WaterPurificationTechnology85--DOI:10.15890/j.cnki.jsjs.2010.06.014Vol.29,No.6,20102K。300℃150℃。500mg／LCaCO3。KCODCr、。1.3CODCr1CODCr。、。[2]。22.1。0.1~0.2mg／L。13.0mg／LPO43-。2。3。。1Tab.1CharacteristicsofReclaimedWaterpH／mg·L-1Cl-／mg·L-1SS／mg·L-1／mg·L-1／NTUCODCr／mg·L-1／·mL-17.67.17.0~8.5138.1157.8≤250*79.931.3≤250673494≤10000.090.04≤0.52.31.7≤526/≤30106100≤1000*CaCO3M、CM—m3／h、kg／m3S、CS—m3／h、kg／m3B、CB—m3／h、kg／m3E、D—m3／h、m3／h1Fig.1SchematicDiagramofRecyclingCoolingWaterSystemMCMSCSEDRBCB2Tab.2ResultsofRecyclingCoolingWaterSystemBalanceR／m3·h-1E／m3·h-1D／m3·h-1M／m3·h-1S／m3·h-1B／m3·h-1K40002000321231.520.302518.7510.35.253.412.78.86--WATERPURIFICATIONTECHNOLOGYVol.29,No.6,2010December25th,201033.1“”、、。5m3／h／6m3／h2RO1RO。2RO。3RO。4CODCr50~60mg／L。CODCr。5“———”。6。pH。7EGCODCrmg／L。CODCr100mg／L。CODCr。2.21。2COD、pH、。3。4。、。pH、、、、CODCrCODEG。3。。。0.05mm／a0.075mm／a[3]。、。3Tab.3TheCharacteristicsofRecyclingCoolingWater(Summer)pH／mg·L-1Cl-／mg·L-1SS／mg·L-1／mg·L-1／NTUCODCr／mg·L-1／·mL-18.7459.6206.218070.69.441.2103~10487--Vol.29,No.6,2010ROUFRO。UF。2。3.22M+S=E+D+Wu+WR1Wu+WR=6m3／hM=16m3／hROWo21%。UFROARUFAu0.75。2MCM+SCs+WoCo=D+BCB2ARROAuUF3Wo=B-Wu+WR=0.75ARB3CoCBROCo4。B8.95m3／h。RO100%ROCoB。AR0.5B9.5m3／hWo3.5m3／h。3.3[4]UF。RO、123pH4。。3。RO。4。。70、MCMSCSWOCOEDRBCBROUFWRWUWu—UFm3／hWR—ROm3／hWo—ROm3／h2UF、ROFig.2SchematicDiagramofRecyclingCoolingWaterSystemwithUFandRO4Tab.4ResultsofOperationParametersCo／mg·L-1B／m3·h-1ARWo／m3·h-10501001508.959.289.6910.20.440.470.510.552.953.273.714.22.88--WATERPURIFICATIONTECHNOLOGYVol.29,No.6,2010December25th,2010811S.Gandhi,B.-T.Oh,J.L.Schnoor,etal.DegradationofTCE,Cr(VI),sulfate,andnitratemixturesbygranularironinflow-throughcolumnsunderdifferentmicrobialconditions[J].WaterResearch,2002,36:1973－1982.12]J.F.Kenneke,S.C.McCutcheon.Useofpretreatmentzonesandze－ro-valentironfortheremediationofchloroalkenesinanoxicaquifer[J].EnvironmentalScience&Technology,2003,37(12):2829－2835.13]OrthWS,GillhamRW.DechlorinationoftrichloroetheneinaqueoussolutionusingFe0[J].EnvironmentalScience&Technolo－gy,1996,30(1):66-71.14ElizabethL.Cohen,BradleyM.Patterson,AllanJ.McKinley.HenningPrommer.Zerovalentironremediationofamixedbromi－natedethenecontaminatedgroundwater[J].ContaminantHydrolo－gy,2009,103:109-118.15]T.F.Guerin,S.Horner,T.McGovern,etal.Anapplicationofper－meablereactivebarriertechnologytopetroleumhydrocarboncon－taminatedgroundwater[J].WaterResearch,2002,36:1524.16,,.[J].,2007,15(3):61-64.17Hsing-LungLien,RichardT.Wilkin,High-levelarseniteremovalfromgroundwaterbyzero-valentiron[J].Chemosphere,2005,59:377-386.18,.[J].,2008,27(1):35-40.19,,.／[J].,2005,24(12):1401-1404.20,,.2,4-[J].,2005,27(3):87-90.21,,.PRB[J].,2006,22(6):61-71.22,,.—[J].,2008,28(6):253-25.23,,,.PRBsP&T[J].,2006,34(13):3142-3145.24,,.[J].,2007,33(3):32-34.25C.D.Johnston,J.L.Rayner,D.Briegel.EffectivenessofinsituairspargingforremovingNAPLgasolinefromasandyaquifernearPerth,WesternAustralia[J].ContaminantHydrology,2002,59:87-111.26.MTBE[D].:,2005.27AristotelisMantoglou,GeorgeKourakos.OptimalGroundwaterRemediationUnderUncertaintyUsingMulti-objectiveOptimiza－tion[J].WaterResourceManagement,2007,21:835-847.28,.[J].,2003,4(6):37-42.29R.Thiruvenkatachari,S.Vigneswaran,R.Naidu.Permeablereac－tivebarrierforgroundwaterremediation[J].IndustrialandEngineeringChemistry,2008,14:145-156.30,,,.Fenton[J].,2008,20(7):1196-2001.31U.S.EnvironmentalProtectionAgency[C].EngineeringForumIssuePaper.2006,542／F-06／013.32,,,.[J].,2008,20(9):1433-1438.33,.[J].,2005,25(2):711-714.34HaIkChung,MasashiKamon.Ultrasonicallyenhancedelectroki－neticremediationforremovalofPbandphenanthreneincontam－inatedsoils[J].EngineeringGeology,2005,77:233-242.35ThuyDuongPham,ReenaAmatyaShrestha,JurateVirkutyte1,etal.Combinedultrasonicationandelectrokineticremediationforpersistentorganicremovalfromcontaminatedkaolin[J].El