UASB,,,(,300071)[]UASB,COD10kg/(m3d),COD90%,[]UASB;;;[]X70311[]A[]1005-829X(2002)01-0028-03TreatmentofwastewaterfromstarchproductionbyUASBreactorZHANGZhen2jia,WANGTai2ping,ZHANGHong,ZHANGYang(CollegeofEnvironmentalScienceandEngineering,NankaiUniversity,Tianjin300071,China)Abstract:AmesophilicUASB(UpflowAnaerobicSludgeBed)reactorisusedforthetreatmentofwastewaterfromstarchproduction.ThetestresultsshowthatwhentheCODloadingrateofthereactorremains10kg/(m3d),theCODremovalefficiencycouldbeover90%.Besides,thetestalsoprovesthatthetraceelementplaysaveryimportantpartintheanaerobicdigestionprocess.Keywords:UASBreactor;wastewaterfromstarchproduction;mesophilicdigestion;traceelement,,1,,,UASB(),,,,11111214.4cm,1.95m,0.45m,1.5m,28.5L12,(352),,112(55)EGSB,92g/L,18L1UASB,SE-IPAC3SE-I,,,SE-IPAC,,COD,[](1958),1991,,:0531-854513[]2001-07-088220021221IndustrialWaterTreatmentJan.,2002Vol.22No.1©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.11311COD65007000SO42-4050BOD543005100(CaCO3)4700pH6.56.8200220:pH,mg/LUASB,,1143COD:;pH:;:;BOD5:;:;SO42-:;:,GC-9ASO42-,,CODpH,221122COD,,,,12.5L/d,COD80%,25L/d22L/d,COD58.4%,,44L/d18,50L/d,COD,COD4000mg/L,,35L/d,65%,40L/d40L/d,35%,50L/d,,(,)5000mg/L,COD5300mg/L,,100mg/L30(COD4549mg/L),,2700mg/L,,,30mg/L,COD,,COD9.5kg/(m3d),50%,,COD,UASB,32,COD9.8kg/(m3d),,,,,COD,90%,50L/d100L/d,,COD10.4kg/(m3d),,,115L/d,200mg/L,,12kg/(m3d),COD,134L/d,,212,,922002-01,22(1)UASB©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,,,,,NP,SFeNiCoMoMn,pH4,,NPS,,,FeNiCo,,,,22SCaMgFeNiCo10431.80.100.075:g/kg()COD(CODBD)1:=CODBDYcell1.14,,mg/L;CODBDCOD,g/L;Y,gVSS/gCODBD;cell,mg/g(),Y,Y0.15,,Y0.03,,,,Y0.03,CODBDcell12,FeNiCo3(1)UASB,,COD10kg/(m3d),COD90%,80%,(2),,,,COD,(3),,,,[][1].[M]1:,1998:5354,346347.[2],.UAHB[J]1,2000,16(5):57.[3].[M]1:,1997:342345.[4],.PTA[J]1,1998,(4):1920.[](1956),1996,,,:022-66229560,E2mail:tpwang@ey2ou.com[]2001-07-19,3000,2t,180t,250,,,10,032002-01,22(1)©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.