UASBCASS混凝气浮处理白酒生产废水梁宗余

·72　　　·2008No.14SerialNo.191ChinaBrewing　　　ProductionOriginalExperimentUASB+CASS+梁宗余,先员华,李相彪(四川宜宾职业技术学院建筑化工系,四川宜宾644003)　:,,,,。:CODcr18000mg/L、BOD56000mg/L、SS850mg/L,UASB+CASS+,。。　　:;UASB;CASS;:TS262.3　　　:A　　　:0254-5071(2008)14-0072-02　　　　:2008-04-21:,,(1969-),,、。Wastewaterofwine-makingproductionhandledbymethodofUASB+CASS+mixedandcoagulatedgasfloatLIANGZongyu,XIANYuanhua,LIXiangbiao(DepartmentofArchitectureandChemistry,YibinVocationalTechnicalCollege,Yibin644003,China)Abstract:Thewastewaterofthebottomboilerandthefermentedglutinousriceliquidproducedbywine-makingplantshadhigh-densityorganicpollutant.However,itwasverydifficulttohandle.Inordertoassuretheprocessingresult,theappropriatecraftprocessandfacilitiesmustbechosen.Theac-tualcirculatingresultshowed:thewastewaterofwine-makingmixedproductionthatCODcrwas18000mg/L,BOD5was6000mg/LandSSwas850mg/LcanachievetheemissionresultafterbeinghandledbymethodofUASB+CASS+mixedandcoagulatedgasfloat.Theoperationofthecraftwassimple,thecirculatingcostwaslow,thequalityofoutflownwaterwasfine,andithascertainreferencemeaningfortheemissionworkofwineindustries.Keywords:wastewaterofwine-makingproduction;UASB;CASS;mixedandcoagulatedgasfloat,UASB+CASS+,,,。,,、,。1。2400m3/d,《》(GB8978-1996),1。1Table1.Waterqualityofinandoutwater1CODcr/(mg·L-1)13000～20000180001002BOD5/(mg·L-1)5000～70006000303SS/(mg·L-1)700～900850704pH4～54.36～95()800～10009005022.1确定工艺流程思路(1),,。(2)。(UASB)(UASB),,,,,,pH。(3)。,,,,UASB,,。(4)CASS。,,。CASS、、、,。(5),。2.2工艺流程:　　200814191·73　　　·,UASB,,CASS,CASS。UASB,。、、,,。(1):UASB2。1/3。SS30%。UASB,COD90%,0.5m3/kgCODcr。,。,。,。(2):CASS“、、、”,SBR,,,,,CASS,。25℃～35℃,pH7,CASS3mg/L,COD1400mg/L,N、PCOD∶N∶P=100∶5∶1。(3):CASS,,,。PAC13%,100mg/L;PAM0.1%-1%,1mg/L;≥4%。33.1水解调节池,,。9.6h,,pH。:24m×7m×8.0m(H=3.0m)。3.2碱池pH,pH。:4.0m×4.0m×3.0m。3.3厌氧反应池,。Q=100m3/h,,3d,11kgCOD/(m3·d)。:16.5m×10m,4,,。3.4沉淀池Q=100m3/h,0.65m3/(m2·h),7h,;:15m×4.5m,i=0.083.5CASS池12h,7h,2h,2.5h,0.5h,0.1kgBOD/(kgMLSS·d);:33m×10m×6m,2,、、、。3.6混凝气浮池100m3/h,19%,13min,14m3/(m2·h),;:18.5m×8m×3m。3.7污泥浓缩池,14h,200m3/d(98%～99%)。:3.5m×3.5m×6m,2。4,。2。2Table2.OutwaterquahtyandeliminationrateofreachdisposalumtCODcrSSpH/(mg·L-1)/%/(mg·L-1)/%12600030560304UASB126090150737CASS130908047790317013751800,5000m2,100kW,22kW,2.63/m3。6UASB+CASS+,。、、、。:[1],,.[M].:,2006:313-316.[2],.[M].:,2002:134-156.[3].()[M].:,2003:225-267.