超声清洗MBR生物膜臭氧化技术在中水回用中的应用

118X8.31B1673-1212(2006)01-0118-04ENVIRONMENTALSCIENCEANDMANAGEMENT119120121TheApplicationofCleaningtheBiomemBraneWithUltrasonicsTechniqueandOzoneOxidationTechniqueintheRecoveryofNeutralWasteWaterZHAOKun-yu1,WUXiao-long2,PIAOShang-xian3(1.3JiamusiEnvironmentalProtectionBureau,Jiamusi154002,China;2.JiamusiEnvironmentalMonitoringStation,Jiamusi154002,China)Abstract:Thetechnologyofultrasonicsandozoneoxidationisnewtechniquetocleanthebiomembrane(MBR)elementusingmembranetechnique,ozoneoxidationtechniqueandmodernultrasonicswavecleaningtechniquebasedonthetradionaltechnologyofdisposingandrecoveringofclass¢òbiochemistrywastewater.Membranetechniqueisofvirtuesashighqualityfiltrate,lewlump-suminvestment,takingupnotmuchland,lewmotioncost,etc,.Itcancleanupthepollutantswhichstickedinsideandoutsidethesurfaceofthemembrane,andcanavoidtheharmtomembranefromthepollutiontoenvironmentfromthedetergent,usingmodernultrasonicstechnique.Withstrongoxidationofozone,itcancompletelyremovethepossibleharmtopersonswhousetherecoverywastewaterfrombacterium,peculiarsell,colority,etc,byusingozoneoxidationtechnique,andmakedisposedwastewaterreallysafeanddailylifewater.Keywords:ultrasonicsbiomembraneozoneneutralwastewaterrecoveryStudyofDomesticWastewaterTreatmentwithHighConcentrationPollutantsbySAF-ChemicalFlocculation-MicroMembraneFiltrationCombinedProcessWANGXiu-li1,SONGLai-zhou2,DONGChun-yan3(1.2.3SchoolofEnvironmental&ChemicalEngineeringofYanshanUniversity,Qinhuangdao066004,China)Abstract:SAF-chemicalflocculationandmicromembranefiltrationcombinedprocesswasadoptedtotreatthedomesticwastewaterwithhighpollutantconcentration.TheremovalefficienciesofCOD,BOD5,SSandNH4-NbySAFtreatmentsystemwere92%,93%,90%,98%,respectively.Theresultsshowedthatthetreatedeffluentwaterqualityofthecombinedprocesswasgood,COD,BOD5,NH4+-NandPO43--Pwerelessthan40mg/L,10mg/L,4mg/L,0.3mg/L,turbidityandcolorwerelowerthan0.5NTUand10solely,andthetreatedwastewatercouldbeusedformunicipalreuseanddomesticreuse.Keywords:SAFchemicalflocculationmicrofiltrationmembranedomesticwastewaterreuse