EGSBCASS工艺处理植物蛋白废水

EGSB/CASS1,2(1.,250013;2.,250031):EGSB/CASS,,CODBOD5SSNH3-N,(GB89781996),:;EGSB;CASS:X703.1:C:1000-4602(2008)18-0069-03EGSB/CASSProcessforTreatmentofPlantProteinWastewaterWEIHua1,CHENChong2liang2(1.ShandongUrbanandRuralPlanning,DesignandResearchInstitute,Jinan250013,China;2.JinanDesignandResearchInstituteofCoalIndustry,Jinan250031,China)Abstract:TheEGSB/CASSprocesswasusedtotreatplantproteinwastewater.Theoperationre2sultsshowthattheprocesshashighremovalefficiencyofCOD,BOD5,SS,NH3-N,andtheeffluentqualitymeetsthesecondaryclasscriteriaspecifiedintheIntegratedWastewaterDischargeStandard(GB8978-1996),whichprovidesreferencefortreatmentofsameproteinwastewater.Keywords:plantproteinwastewater;EGSB;CASS112000t/a,14001800m3/d,1000m3/d11Tab.1HighconcentrationwastewaterqualityandeffluentstandardsCOD/(mgL-1)BOD5/(mgL-1)SS/(mgL-1)NH3-N/(mgL-1)pH14000180008000100004000500013016035147271132369150301502569,,2COD,,/1,,,,,,,pH,EGSB,,96241820089CHINAWATER&WASTEWATERVol.24No.18Sep.2008CH4CO2,CASS,1Fig.1Flowchartofwastewatertreatmentprocess322Tab.2Mainstructuresanddesignparameters/HRT/h/m3/(kgCODm-3d-1)130m10m3m13750EGSB2ª10m15m191100715115m8m4m7420CASS124m36m6m2847520.54411EGSBEGSB,,EGSB(100%300%),3.0m/h,,CODEGSBNH3-N,NH3-N,NH3-N200500mg/L,,NH3-N2001000mg/L,[1]EGSB3EGSB,0.4m3/kgCOD75%,7560m3/d,,EGSB,,VFANH3-N,VFANH3-N,32006310EGSBTab.3MonitoringresultsforwaterqualityduringcommissioningofEGSBfromMar.toOct.,2006COD/(mgL-1)/(mgL-1)/%VFA/(mgL-1)NH3-N/(mgL-1)pH3182504015785251352514.57.14158783017815011513695.07.85161153223804891462974.77.56176802121884061313505.27.07188722831853951374125.87.58190051900903721484804.17.09180571625912101505025.37.810189731707912021615105.97.9412CASSEGSB,CASSCASS3h3h(1h)1h0.5h0.5h,4CASS4(),,(GB89781996)4CASSTab.4ComparisonofinfluentandeffluentqualityforCASSreactiontankCOD/(mgL-1)BOD5/(mgL-1)SS/(mgL-1)NH3-N/(mgL-1)pH9804005002007.08.0147(85%)27(93%)113(77%)23(88%)7.08.0:5720,()1.75/m3,EGSB7500m3/d,,7.5t/d,150/a,,(COD)7000t/072418[1020kg/(m3d)],(100%300%),COD(90%),,CASS,,,;,,,:[1],,.[M].:,2002.[2].[M].:,2001.:[phone]E-mail:[e-mail]:2008-05-08(68)0.9t/a,,SO264.0t/a6,,,,(GB89781996),64.9t/aSO2,,,,,:[1].[J].,2007,(5):30-32.[2],,.[J].,2004,(1):27-29.[3].()[M].:,1996.[4].()[M].:,1999.:[phone]E-mail:[e-mail]:2008-05-201900C20,,1900C,1900C,HACHRatio,,()17:EGSB/CASS2418