豆制品废水处理工程实例李宁

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215011IC/2000m3/d。COD98.3%《》GB8978—1996。ICCOD<350mg/LCOD>91%。2800~3100m3/d。X703.1C1000-4602201110-0079-03EngineeringCaseonTreatmentofBeanProductWastewaterLINingCHENYun-xiangJIANGTaoZHANGXin-xinMASan-jianInstituteofEnvironmentalProtectionApplicationTechnologySuzhouUniversityofScienceandTechnologySuzhou215011ChinaAbstractThecombinedprocessofinternalcirculationICanaerobicreactorandoxidationditchwasusedforthetreatmentof2000m3/dbeanproductwastewater.TheprojectpracticeindicatesthatthetotalCODremovalrateis98.3%meetingthefirstgradecriteriaspecifiedintheIntegratedWastewaterDischargeStandardGB8978-1996.TheeffluentCODofICislessthan350mg/LandtheCODre-movalrateismorethan91%.Moreoverthebiogasproducedbytheprojectcanreach2800to3100m3/dandbeusedfortheequipmentsoftheplantwhichcanbringgoodeconomicbenefits.KeywordsbeanproductwastewaterinternalcirculationanaerobicreactorbiogasutilizationA00308031、、、、。30~50m3/t1。65t/d2000m3/d。。《》GB8978—1996。1。1、Tab.1DesigninfluentandeffluentqualitypHBOD5/mg·L-1COD/mg·L-1SS/mg·L-13.5~5.51700~21003500~4000250~3506.0~9.0≤30≤100≤702、、。pH。IC·97·271020115CHINAWATER&WASTEWATERVol.27No.10May2011IC。ICSSTSSTICIC。SST。IC。1Fig.1Flowchartofwastewatertreatmentprocess3①。0.5m4mm。、。4m×0.7m×3.5m。②。12h1000m320m×10m×5m8。21160m3/h280kPa。③IC。1400m310m×18m。34~36℃17h5.7kgCOD/m3·dCOD92%2800~3100m3/d。IC1m×1.5mIC。④SST。290m36m×10mIC。21160m3/h280kPa。⑤。225m×10m×5m1250m3。24h41.5kW、1.8m。2115m3/min50kPa。。⑥。5h400m316m×5m×5m。44.1IC4.1.1ICIC300t80%。2℃IC34~36℃。COD500mg/L。CODCOD>80%VFA<3mmol/L210%。3pH6.0。4.1.2ICIC60d2000m3/dCOD3500~4000mg/L5~5.7kgCOD/m3·d。COD92%VFA3mmol/L。COD2。2、CODCODFig.2RelationbetweenCODremovalrateandCODconcentrationofinfluentandeffluentinstabilizationperiod4.2SST22h2h20%~30%。·08·2710.watergasheat.com。4、MLSS1400mg/LSV30=10%。4。MLSS3000mg/LSVI=105mL/g。、。COD30~70mg/LGB8978—1996。20107。2。2Tab.2EffluentqualityduringnormaloperationpHBOD5/mg·L-1COD/mg·L-1SS/mg·L-118006.515.456.346.3214006.713.648.744.3320006.714.249.245.7402006.814.753.645.255.124h13。、、0.5/m30.08/m30.3/m30.88/m3。5.2IC2800~3100m3/d。67%27MJ/m3529.3MJ/kg1m31kg。700/t2100/d。6①IC/COD50mg/L。②ICCOD4000mg/LCOD>91%COD<350mg/L。③。2800~3100m3/d。1.J.200733588-90.2./UASB/J.200925866-68.3.J.200834964-65.4.M.1998.5.UASBJ.200220232-33.18621180534E-mailepat_ln@163.com2010-08-20·18·.watergasheat.com2710

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