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Eail:pengguangxia@163.comDOPLC1..DAT.IAT1.2.3.4.5.6.7.8.9.10.11.PLC12.1MDAT-IATFig.1MDAT-IATprocessflowchart1.3MDAT-IATDAT3.0hIAT1.01.51.52.0HRT12.0Table1MDAT-IATprocessperformancemodesMDAT-IAT10.290.35m3/hDATDO2.0mg/LpH7.58.1200%3.0h1.5NaClNaClCODCOD2NaCl1.0104,2.0104,3.0104,4.0104,5.0104,6.0104,8.0104,NaClNaClFig.2EffectofFeCL3toeffluentSSFig.3EffectofPACtoeffluentSS3MDAT-IAT1.01044541Fig.4Maininfluentandeffluentwaterqualityandremovalefficiency52Fig.5Maininfluentandeffluentwaterqualityandremovalefficiency4Fig.6ChangingofNH4+-Nremovalefficiency`Fig.7ChangingofCODremovalefficiencyFig.8ChangingofBOD5removalefficiencyNaCl5.01046.01048.010455.01045.01048.0104NaCl5.01045.01048.0104a.MDAT-IATb.NaCl2CODBOD5SSNH4+-N58.5~75.9mg/L20.0mg/L25.3mg/l3.2~23.2mg/Lc.1.01048.0104[1]MervinJStewart,HarveyFLudwig,andWilliamHKeams.EffectofVaryingsalinityontheextendedaerationprocess.JournalWPCF,37:1161,Oct.1999[5]WooladCR.Biologicaltreatmentofhypeysalininthesequencebatchreaction[J].WatrResearch,21:1159~1168,May.19956ActivatesludgecultureofindustryhypersalinewastewaterwithMDAT-IATprocessPENGGuangxia[1,2],LIUHaitao[1],CHENxi[2],WANGFazhen[1]1.ChinaUniversityofMiningandTechnology,Beijing1000832.ChineseResearchAcademyofEnvironmentalSciences,Beijing100012AbstractThefeasibility,characteristicandbiologicalprocessofhypersalineorganicwastewateralophilicactivesludge-poweractivecarbonsystem(HAS-PAC)treatmentofsalt-tolerantsludgeacclimationwerestudiedthroughcomparingtheactivatedsludgeacclimationunderhighandlowsalineconditions.Theresultshowedthattakingsaltastheselectivepressure,salt-tolerantsludgewithhighdegradationactivitycouldbeacclimated.Andafteraninitiallagperiodthemicrobialpopulationwasabletoadapttothehighsaltscontent(10g/l~80g/l)providedrapidalterationstheinfluentsalinitywereavoided.Keywordshypersalineorganicwastewaterbio-augmentativetreatmentsalt-tolerantsludgeacclimationactivecarbon7