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0，，[1]。，。、、[2-4]，，。。，MBRSBR[5-7]，。，，。、，。11.11。、，。。、、、、pH、。1，1,1,2,2,1,3(1.，450001;2.，450002;3.，450002)：，。：0.8W/mL、60s，，CODCr46mg/L，MLSSSVI82.6mL/g。，GB18918—2002《》，，。：；；；；:X2:B:1674-4829(2010)01-0033-03：2009－11－12:2009－12－25：（0524440062，0623060300，082102350024）.：(1973-),,，，,.InfluenceofUltrasoniconReductionofExcessSludgeinContinuousFlowActivatedSludgeSystemLIUYong-de,ZHANGMing-yu,LIUJun,YUANMeng-yun,ZHAOJi-hongAbstract：Theconditionsofexcesssludgereductionwerestudiedguaranteeingthewaterqualityunchangedwhenexcesssludgewastreatedbyultrasonicandreturnedtosludgesysteminstablerunningcontinuousflowactivatedsludgesystem.TheresultsshowedthattheeffluentCODwas46mg/LandtheSVIwas82.6mL/gMLSS,whenthesystemoperatedsteadilywiththesoundenergydensityat0.8W/mLandultrasonictimeat60s.TheeffluentCODcouldachieveone-levelemissionstandardbasedoncontaminationemissionstandardforurbanwastewatertreatmentplant(GB18918—2002).Thesedimentarypropertiesofsludgeandtheconsequentofreductionwereveryobvious.Keywords：Ultrasonic；Continuousflow；Excesssludge；Reduction23120102EnvironmentalScienceandTechnologyVol．23No．1Feb．2010201021ρ()/（mg·L-1）20.4W/mLCODCr120100806040200100806040200/%10s30s60s5min10minCODCr30.4W/mLMLSS45004100370033002900250010s30s60s5min10minρ/（mg·L-1）Scientz-D，0~950W，21kHz。1.2。，1。1：CODCr600mg/L，BOD5280mg/L，NH4+-N60mg/L，TN110mg/L，pH(7.0~8.0)。,，。7d，。MLSS3500mg/L，MLSSCODCr0.576kg/(kg·d)，SRT6d，HRT6h，DO3.0mg/L，CODCr100mg/L，MLSSSVI100mL/g，0.5L。，(0.4，0.6，0.8W/mL，10s，30s，60s，5min，10min)，，()，。1.3CODCr，MLSS，SVI。22.10.4W/mL0.4W/mL，10s，30s，60s，5min，10min，1SRT，CODCr，MLSS2、3。2，CODCr，100mg/L，，CODCr，U10min(10min，)，90.27%，，，。3，U10sMLSSU30s，，CODCr。MLSS3000~3500mg/L，MLSS，U60s，U5min，U10min，。，，，[8]。0.4W/mL，MLSSSVI150~190mL/g，，0.4W/mL，，。ρ()54ρ()279ρ(MgSO4)200ρ(KH2PO4)10.3ρ(CaCl2)227mg·L-13423112010080604020010s30s60s5min10minCODCrρ/（mg·L-1）/%100806040200ρ/（mg·L-1）/%40.6W/mLCODCr16014012010080604020010080604020010s30s60s5min10minCODCr2.20.6W/mL0.6W/mL，10s，30s，60s，5min，10min，SRT，CODCrMLSS4、5。4，CODCr，U10s，U5min，U10minCODCr，，U30sU60sCODCr100mg/L，，CODCr80%。，，，，CODCr。5，U10sU5minMLSS，U60sU10min，，MLSS836mg/L803mg/L；U30s，，393mg/L。MLSSSVI，175~200mL/g，U30sMLSSSVI198.6mL/g，，0.6W/mL。2.30.8W/mL0.8W/mL，10s，30s，60s，5min，10min，SRT，CODCrMLSS6、7。6，，100mg/L，U10s，U30sU60s，CODCr87%，，。U10minCODCr107.5mg/L75.82%，，CODCr，。MLSS7，MLSS，4200~4500mg/L。，MLSS293，819，754，1037，1083mg/L。，。MLSSSVI179.4，146.8，82.6，140.8，129.2mL/g。，0.8W/mL，，。，0.8W/mL。5，U30s，U60s，SVI，U60s。（39）45004100370033002900250070.8W/mLMLSS10s30s60s5min10minρ/（mg·L-1）ρ/（mg·L-1）50.6W/mLMLSS45004100370033002900250010s30s60s5min10min60.8W/mLCODCr352313（1），CODCr、MLSSSVI。（2），0.8W/mL60s，，CODCr46mg/L，87.13%，GB18918—2002《》。MLSSSVI82.6mL/g，。（3）20d，MLSS293mg/L，，。［］[1],.[J].,2009,22(5):42-43.[2]YASUIH,NAKAMNRAK,LWASAKIM,atel.Afull-scaleoperationofanovelactivatedsludgeprocesswithoutexcesssludgeproduction[J].WaterScienceandTechnology,1996,34(3):395-404.[3]SHANABLEHA.Productionofusefulorganicmatterfromsludgeusinghydrothermaltreatment[J].WaterResearch,2000,34(3):945-951.[4],,,.[J].,2006,7(6):85-88.[5],,,.[J].,1999,12(1):16-18.[6]SEONGHY.Incorporationofultrasoniccelldisintegrationintomembranebioreactorforzerosludgeproduction[J].ProcessBiochemistry,2004,39(12):1923-1929.[7],,.SBR[J].,2008,31(2):77-79.[8],.[J].,2009,22(1):64-66.(）6COD16141210864203468911111314161718192123232323232325222326m/（g·d-1）/(L·d-1)6COD16141210864203468911111314161718192123232323232325222326m/（g·d-1）/(L·d-1)6：，，。COD，1kgCOD0.6m3。、，。3（1）（37±1)℃，UBF，。2，HRT18h，COD11.5kg/(m3·d)，COD75％。（2）UBF，，1kgCOD0.6m3，。（3）UBF，。[][1]BLIZZARDTA．Recentprogressinthesynthesisofavermectinsandmilbemycins[J].OrgPrecedInt,1994,26(6):617-644.[2]，，．[J].，1999，21(1)：40-43.[3]，，．UASB[J].，2002，24(2)：49-52.[4]，．[J].，1999，15(4):24-27.[5]，,,.UBF[J].，2005，21(2):21-23.[6]，.[M].:，1993.[7].[M].:，1998.[8]《》.[M].4.:，2002.[9].[J].，1996，14（1）：1-5.(））））））））））））））））））））））））））））））））））））））））））））））（35）UBF39