UASBCASS混凝法处理淀粉废水的工艺魏剑斌

UASB-CASS-魏剑斌　苏文越(　510140)　　　　UASB-CASS-。、,,,。　　　　UASB　CASSPracticeontheTreatmentforStarchWastewaterbyUASB-CASS-CoagulationWEIJianbin　SUWenyue(GuangdongEnvironmentalProtectionEngineeringResearch&DesignInstitute　Guangzhou510140)Abstract　UASB-CASS-coagulationmethodisusedtotreatstarchwastewater.Theresultshowsthatthistechniquecanreduceinvestmentandoperatingcostandproducemethanethatcanbeutilized;theeffluentcanmeetthestandard;sogoodeconomicandsocialbenefitshavebeenobtained.Keywords　starchwastewater　UASB　CASS　　,2kt。1　,,1。1　、/(m3·d-1)COD/(g·L-1)BOD5/(g·L-1)SS/(g·L-1)pH20004.9～103～6.53～5.54～5　　《》(DB44/26-2001),COD≤110mg/L,BOD5≤30mg/L,SS≤100mg/L,NH3-N≤15mg/L,50,pH:6～9。2　,,BOD5/COD0.5,,,,,(UASB)、。,、,。UASB+CASS+。1。3　3.1　,。1,600mm,10mm,。。1,4.0m×0.6m×1.5m,。3.2　,1　,。,,,。1,,12h,20.0m×15.0m×3.8m。,。2,11;Q=90m3/h,H=19m,11kW。3.3　UASB,,(COD)9.5kg/(m3·d),85%,()。CH465%。,。UASB1,2000m3,4。UASB(COD)9.5kg/(m3·d),24h,COD85%。26m×10m×8.5m,。3.4　·23·2006325May2006　　　　　　　　　　　　　　　IndustrialSafetyandEnvironmentalProtection,,,。,。1,16m×4m×4.5m,。1.5h。3.5　CASSCASS“、、、”,CASSSBR,,、、4,、,CASS,,。,。,,。CASS,,。PLC,,CASS。CASS12h1,A、O,A1h,O4h,,1h,1h。A,。CASS2,38m×12m×5.5m,。2。CASSMLSS4g/L,(BOD5/MLSS)0.11kg/(kg·d)。,800/,1600。CASS12h,25%,Q=30m3/min,H=5m,55kW,3,21。,Q=50m3/h,H=10m,P=2.2kW,2,1。3.6　CASS,,1。,400m3,13m×10m×3.5m。2,11。Q=90m3/h,H=19m,11kW。3.7　,+,,。,。,,,。,PAC,PAM。22.8m,H=2.5m。3.8　,、,。、、,,。。,。1,,12h,5.0m×5.5m。2PN1。3.9　、,、。、,96%80%,1/10～1/5,。,。95%,,,。,80%,。2。3.10　,1,、、、。250m2,、、、,。11.0m。4　20048,4,200412,2。2　mg/LUASB　　()COD8900133585%126813589.3%10025.8%SS4600786.682.9%724176.675.6%7358.5%:。5　450,0.84/t()。8075m2/d,。6　:COD,,,,,,,,60%,,;,;,15%,,,。,,。1　..:,19962　.().:,20023　..:,2002(:20051108)·24·