UASBSBR

UASB/SBR/,,,,(,410128):CODSS,UASB/SBR/UASB,SBR,2,CODBOD5NH3-NSSTP91.7%91.6%89.4%98.1%31.1%,(GB185962001):;UASB;SBR;;;:X703.1:C:1000-4602(2007)14-0066-03TreatmentofPiggeryWastewaterbyUASB/SBR/ChemicalCoagulationProcessYANZhi2yong,WUGen2yi,LIUYu2ze,YIHao,YANGRen2bin(CollegeofResourcesandEnvironment,HunanAgriculturalUniversity,Changsha410128,China)Abstract:BasedonthecharacteristicsofhighCOD,highammoniaandhighsuspendedsolidsinpiggerywastewater,atreatmentprocessofUASB/SBR/chemicalcoagulationwasused.ThedigestedsludgewasusedforseedinginUASBreactorandtheaerobicactivatedsludgewasusedforseedinginSBRreactor.Afterstart2upfortwomonths,theremovalratesofCOD,BOD5,NH3-N,SSandTPreach91.7%,91.6%,89.4%,98.1%and31.1%respectively.Alltheeffluentindexesmeetthere2quirementofDischargeStandardofPollutantsforLivestockandPoultryBreeding(GB18596-2001).Keywords:breedingwastewater;UASB;SBR;chemicalcoagulation;commissioning;start2up11,150m3/d,,2006,,UASB/SBR/,(GB185962001)11Tab.1WastewaterqualityanddischargestandardCOD/(mgL-1)BOD5/(mgL-1)SS/(mgL-1)NH3-N/(mgL-1)TP/(mgL-1)pH20003420350700300500150110091168400150200808692[12]166231420077CHINAWATER&WASTEWATERVol.23No.14Jul.2007©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(Q=25m3/h,H=200kPa,11)UASBUASB3,17.2m6.0m8.0m,608m3,,4,300mm;,0.9m,2,UASB1.5kgCOD/(m3d);HRT4d,COD80%SBRSBR(ª215mm),2(11),5.9m3/min,,,11.6m6.0m5.0m,;40h,250m3,SBR250m3/hSBR6.0m6.0m3.5m,,2,,PACPAM,;,,4UASBSBR,UASBSBR411UASB,60t,80%,VSS/TSS0.6,11.8gVSS/L,,;UASB,30m3/d,,COD75%,:COD75%,30%2,COD80%SBR,UASB,UASB,,,UASB412SBR,,,20t,85%,VSS/TSS0.62,7.44gVSS/LSBR,SBR1/3,UASBSBR,SBR,,,UASB,UASB,SBR276:UASB/SBR/2314©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(mgL-1)/(mgL-1)/%/(mgL-1)/%/(mgL-1)/%/%COD211742180.121648.717220.491.7BOD548111875.45652.54028.691.6NH3-N638.3443.630.571.08467.5589.4SS391.710373.789.413.27.591.698.1TP10.1812.38.134.17.0213.331.1:UASBpH8.0,7.56;SBRpH7.20,pH7.18632.3kW,15.3kW,180(kWh)/d,0.6/(kWh),108/d;2,800/,53/d;PACPAM,30/d,191/d,1.277UASB/SBR/,(GB185962001),1.272:COD75%,30%;SBRDO3mg/L,DO0.5mg/L:[1],,,.[J].,2006,24(4):29-33.[2],,.A2/O[J].,2005,31(3):55-57.:[phone]E-mail:[e-mail]:2007-01-29862314©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.