UASBCAAS系统处理黄酒废水的工程技术研究阮文权

UASB-CAAS阮文权　童群义　堵国成　任洪强　陈　坚(,　214036)　:。,CODcr77%85.2%,BOD597.5%。SS,NH3-N,pH,42mg·L-1,12.5mg·L-1,pH7.2。。97.5kWh·d-1,1.48·m-3。:;;:X703.3,S216.4　　:A　　:1000-1166(2000)02-0020-04StudyontheLargeScaleTreatmentofWastewaterfromRiceWineProduction/RUANWen-quan;TONGQun-yi;DUGuo-cheng;RENHong-qiang;CHENJian(SchoolofBiotechnology,WuxiUniversityofLightIndustry,Wuxi214036,P.R.China)Abstract:Usinganaerobic(UASB)andaerobic(CAAS)Combinedsystemtotreatthewastewaterfromricewineproduction,theremovalrateofCODcris77%inanaerobicsystemand85.2%inaerobicsystem.ThetotalremovalrateofBOD5is97.5%.ThecontentsofSS,NH3N,andpHinthetreatmentprocessingwerealsostudied,Theirfinalcontentswere42mg·L-1,12.5mg·L-1,7.2respectively.Allthesedatumfromthetreatmentwerebetterthanthefirstlevelofnationalstandard.Theenergyconsumptionandtreatingcostwere97.5kWh·d-1,1.48RMB·m-3respectively.Keywords:wastewater;anaerobic;aerobic　　,CODcr2500mg·L-1,SS250mg·L-1,pH6.5,。,、,,,。,,200t。(UASB),CAAS,。[2]。1　1.1　废水处理装置　　:2000-02-15　　(1):。,,,100m3。(UASB),180m3,24h,。CAAS(combinedanaerobicaerobicsystem),200m3,、、,、,,5h,5h,13h,2h,。1.2　废水水质、、、。20　ChinaBiogas2000,18(2)1　UASB-CAAS1.　2.　3.　4.5.　6.　7.　8.9.　10.　11.CODcr2406mg·L-1,BOD51200mg·L-1,SS250mg·L-1,NH3-N35mg·L-1,pH6.5。1.3　主要技术指标测定CODcr,BOD5,SS,NH3-N,pH。[3]。2　2.1　厌氧处理(UASB)[4]。,,37℃,25℃～30℃,25m3·h-1,0.7m·h-1,10m3·h-1,2∶5。,,0.7m·h-1;,2∶5。,。,。,,,,,。,。2CODcr,CODcr2406mg·L-1,,CODcr555mg·L-1。,。720mg,298mg。2　3,,。,CODcr,。COD77%。2.2　好氧处理CAAS、,:1.,,;2.,;3.、。33　3CAASCODcr,,CODcr555mg·L-1,21　ChinaBiogas2000,18(2)82.3mg·L-1,COD85.2%。,,。CODcr[3](100mg·L-1)17.7%。CAAS。4CAAS。4　CAASCODcr　　,,CODcr,12%;,,,;,,。,,CODcr,4.5hCODcr40%,,,21g·m-3·h-1。,6hCODcr320mg·L-1180mg·L-1,43%,11g·m-3·h-1;,,,,(CODcr100mg·L-1),1g·m-3·h-1,,。2.3　其它运行功能2.3.1　BOD55UASB-CAASBOD5。BOD55　BOD51200mg·L-1,BOD5(30mg·L-1)。BOD597.5%,。,,。2.3.2　NH3-NNH3-N。NH3-N,6。6,NH3-N(35mg·L-1),,NH3-N66%,(15mg·L-1)。6　NH3-N2.3.3　SS,22　ChinaBiogas2000,18(2),。,,。,,。,,,(70mg·L-1),7。7　SS2.3.4　pH8,pH,,,pH,6.5。,,pH78　pH,,,,,。,,pH,pH7.2。2.3.5　。990。175～216m3,()80～115kWh,(、、、、)1.40～1.55·m-3。,。9　3　,,CODcr93.8%,BOD597.5%,SS,NH3-NpH42mg·L-1,12.5mg·L-17.2。。97.5kWh·d-11.48·m-3,。:[1]　AndersonGK.IdentificationandControlofInhibitionintheAnaerobicTreatmentofIndustryWastewater[J].ProcessBiochemistry,1982,18(4):28～32.[2]　.GB8978-1996..[3]　《》.[M].:,1989.[4]　BenefieldLD,RandallCW.BiologicalProcessDesignforWasterwaterTreatment[M].PrenticeHall,1980.23　ChinaBiogas2000,18(2)