纺织洗布废水回用新工艺研究

32510006COD。-BAF。30mg/LCOD62.5%COD30mg/L1NTU。。X703A1003-6504(2009)01-0178-04NovelProcessforReuseofTextileWashingWastewaterQIANYu-zhangWANGXiao-junSchoolofEnvironmentalScienceandEngineeringSouthChinaUniversityofTechnologyGuangzhou510006ChinaAbstractTextilewashingwastewaterwhichhashigherconcentrationofCODturbidityandconductivitycanbetreatedbyordinarybiochemicalprocesstodischargingstandard.TheozonizingbiologicalaeratedfilterBAFprocesswasusedtotreatwashingwastewaterafterbiologicaltreatmentinatextileworksofGuangdongresultsindicatedthatwhentheozonedosagewas30mg/LremovalefficiencyofCODwasabove62.5%andeffluentCODwaslessthan30mg/Lturbiditylessthan1NTUwhichcompletelysatisfiedthereusingstandardofwastewater.Thereusingprocessiscosteffectiveandfeasiblewithstableandacceptableresults.KeywordstextilewashingwastewaterozonationbiologicalaeratedfilterBAFwaterreuse“”[1]。。。-。。。11。。2。22008-01-292008－03－181984-。[e-mail]*[e-mail]。EnvironmentalScience&Technology32120091Vol.32No.1Jan.20091Table1ThetextilewashingwastewaterqualityundertraditionalwastewatertreatmentpH5~96.5~9()8~4030(NTU)32~6416COD(mg/L)800~200090BOD(mg/L)200~50040(μs/cm)200020002Table2ThereusingwaterqualitypH()(NTU)COD(mg/L)BOD(mg/L)(μs/cm)6~82~413010200111COD、pH。2LASLAS。BOD/COD。COD、LAS36%55%COD86%COD＜110mg/LLAS＜l0mg/L[7]。3。4pH、[8-9]。5。1。1-。。2。-。BAF。3。BAF。33.1-BAF。-BAF。20L/h。2。、、、。3Table3Themainequipmentsoftheexperiment1SOZ－YW－3000mg/h2500mm×500mm×500mm3SW-0.5T4BAFФ250mm×1800mm5Ф800mm×800mm6BAFФ800mm×800mm7LPH6Qmax=36L/h8WZ10-8Q=8L/min9BAFLPH5Qmax=25L/h10BAFACO328Q=75L/min11BAFACO500Q=470Lmin12BAFWZ10-8Q=8L/min17932。、、。5：13～5mm。3.212。3.3《》。CODCOD。41、2、。3d5：1、300mg/LC：N：P=100：5：1COD50mg/L。30mg/L3h-BAF。COD。4.1COD-COD80mg/LCOD38～45mg/L30%～34%COD1g/0.25～0.5gCOD。COD50～80mg/L-COD30mg/L。3。4.21NTU。-、4。55.1500m3COD800~2000mg/L。。。5.21/t。-。30mg/L1kg20kW0.6～0.9kW0.8/0.48～0.72/t0.2/t0.68～0.921.68～1.92/t。2～2.5/t。1801161。。2--COD、、。1.68～1.92/t。3-BAF。[][1].[J].2003l2-3.WuPu-teFengHao.Waterdevelopmentandstanzawateranalysis[J].AgriculturalEngineeringJournal200328(l)2-3.[2].[J].200218330-32.JiangYing-heZhangFa-gen.Theapplicationofcoagula－tioninurbansewagetreatment[J].ChinaSupplyandDrainage,200218330-32.[3].[J].,20045256-59.QiuFu-guoWangXiao-changJiHai-xia.Ultrafiltrationrenewableurbansewagetreatmentandsafetyevaluation[J].EnvironmentPollutionControlTechnologyandEquipment,20045256-59.[4]YasumotoMagaraShoichiKunikaneMasakiItoh.Ad－vancedmembranetechnologyforapplicationtowatertreat－ment[J].WatSciTech1998371091-99.[5]BruceERittmannDouglasStilwellStilwell.Treatmentofacoloredgroundwaterbyozone-biofiltrationpilotstudiesandmodelinginterpretation[J].WatRes2002363387-3397.[6]WestermanPWBicudoJRKantardjieffA.Upflowbio－logicalaeratedfiltersforthetreatmentofflushedswinema－nure[J].BioresourceTechnology2000743181-190.[7].[J].199725510-12.XieGuang-yan.Researchofcleaningproductswastewatertreatment[J].EnvironmentProtection,199725510-12.[8].[EB/OL].http//[EB/OL].http//[9]AllanTMannLepoldoMendoza-EspinosaTomStephen－son.Performanceoffloatingandsunkenmediabiologicalaeratedfiltersunderunsteadystateconditions[J].WatSciTech19993341108-1113.181