A2O法处理表面活性剂废水

A2/O,(,210038)[]A2/O,A2/OUASBA2/O,COD1200mg/L150mg/L,COD85%,80m3/h[];A2/O;UASB;;[]X703.1[]A[]1005-829X(2002)07-0042-02A2/OprocessfortreatingsurfactantwastewaterLUOFeng,SUNXiao2li(JinlingPetrochemicalCo.,Ltd.,Nanjing210038,China)Abstract:AnexampleofA2/Oprocessfortreatingsurfactantwastewaterissummarized.Itisprovedfeasible,thekeytechnologyconsistsofafoamsegregatorandaUASBreactor.TheCODvalueisdegradedfromabove1200mg/Ltobelow150mg/L,theremovalrateofCODismorethan85%.Thewastewaterloadis80m3/d.Keywords:surfactant;anaerobichydrolysis2acidificationoxidization(A2/O);upflowanaerobicsludgeblanket(UASB)reactor;foamseparation;contactoxidation,(BOD5/CODCr0.2),A2/O,COD84t,111180m3/h,COD12001600mg/L,BOD240350mg/L,pH610,SS250mg/L112,11,,1200m3,(HRT)80h,V()V(H2O)=451,,,200m3,COD4400mg/L,16m3/h,COD400mg/L(UASB)UASB2,800m3,,8m3/h,HRT80h,;,,;,,(DO)0.3mg/L,,,,COD150mg/L,2UASBA/O,2420027227IndustrialWaterTreatmentJul.,2002Vol.22No.7©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.UASB211,UASB20m1.4,,30,3038,0.1/h,50m32,,50kg2t200g200g,2m3/h,0.1/h,35,,212,1g/L,m(CODCr)m(N)m(P)=30051UASB20m3,5,4m3,28d,13g/L,,,23m3/h,,20d61g/L,,,,213UASBpH,,24d,,103g/L,,pH(),,,NaHCO3,214(A/O)UASB(80d),,,UASB,,m(CODCr)m(N)m(P)=20051(VA/VO)1,CODCrBOD5,BOD5/CODCr0.4,VA/VO=0.5,,DO24mg/L3,,80m3/h,,COD1300mg/L,UASBCOD4400mg/L,COD1600mg/L,COD150mg/L,COD63%,COD85%,12000919CODUASBCODCODCOD113394402562147213014467580138313204351598141413714417605132:3,COD,mg/L4,:(1),,,,;(2)UASBCOD1.06kg/(m3d),,,,pH,,NaHCO3,pH,;(3)VA/VO,,VA/VO,VA/VO1:A2/O,UASB,[][1]1()[M].:,1996:600635.[2],1()[M].:,1994:305321.[3],1[M].:,1995:201235.[4],1[M].:,1991:118186.[](1969),1995,:13002583257[]2002-04-10()342002-07,22(7)A2/O©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.