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ApplicationofEGSB-A/OprocesstothetreatmentofhighlyconcentratedstarchwastewaterShiHui1,XueJianliang2,WangXiaodong1(1.ShandongShifangYuantongEnvironmentalProtectionCo.,Ltd.,Jinan250101,China;2.CollegeofMaterialsScienceandChemicalEngineering,HarbinEngineeringUniversity,Harbin150001,China)EGSB—A/O1,2,1(1.,250101;2.,150001)[]EGSB-A/O。EGSB、、,,COD20kg/(m3·d),A/O。4,COD、BOD5、SSNH3-N99.1%、99.6%、82%96%,《》(GB8978—1996),,84.59。[];;[]X703.1[]B[]1005-829X(2009)09-0081-03Abstract:Theexpandedgranularsludgebed(EGSB)reactor-A/Oprocesshasbeenusedfortreatinghighlyconcentratedstarchwastewater.Anaerobicprocessisinitiatedbyfourstages,suchassludgeinoculating,sludgedomesticating,loadingincreaseandfull-scalerunning.TheCODvolumeloadofEGSBreachesupto20kg/(m3·d).ThetreatmentefficiencyofA/OprocessissteadyassoonastheinitiationofEGSB.Afterafour-monthdebugging,theremovalratesofCOD,BOD5,SSandNH3-Nare99.1%,99.6%,82%and96%,respectively.Afterbeingtreatedbythecombinedprocess,theeffluentqualityisabletosatisfythedemandsofthefirstclassstandardofIntegratedMunicipalSewageDischarge(GB8978—1996).Atthesametime,byanaerobicprocess,proteinandbiogascanbeproducedandrecovered,andatotalprofitofRMB845900canbeobtainedannually.Keywords:starchwastewatertreatment;expandedgranularsludgebed;aerobicprocess29920099IndustrialWaterTreatmentVol.29No.9Sep.,2009、,、、,,、、、、,N、P、。3000m3/d,1。1,。,。《》(GB8978—1996),2。11.13,,,〔1-3〕。1CODCrBOD5TNNH3-NSSpH150012000500030022020003-510006000300030108005-810002000100050202503-5:pH、(m3/d)mg/L。2CODCrBOD5NH3-NSSpH3500≤100≤20≤15≤706~9:,(m3/d)、pH,mg/L。81——2009-09,29(9),EGSB—A/O。1.21。,;、。,。,pH。,,(35±1)℃;EGSB,A/O,COD、BOD、NH3-N。,。。,,,。1.3(1)。2,,470m3,180m3。(2)。1,,50m3,(HRT)30min。(3)。1,1930m3,HRT12h。(4)。1,,140m3,HRT1h。(5)EGSB。2,D=7.0m、H=20.0m,1540m3。3,21。COD20kg/(m3·d)。(6)A/O。A/O2d,7250m3,。3,21;Q130m3/h,H12m,N7.5kW。3,21;1080m2。(7)。1,〔0.80m3/(m2·h)〕,D=18m,1。2EGSB4,、、。UASB,10kg/m3;:VSS/TSS=0.54。。3.0kg/(m3·d),COD3000~4500mg/L,pH6.5~7.5,1∶1,1~2COD80%,,1∶1,COD5.0、7.0、9.0、15.0、18.0kg/(m3·d)。,COD、VFA,。COD15.0kg/(m3·d),,。2~318.0kg/(m3·d),。COD20kg/(m3·d),COD8000~10000mg/L,COD90%。,,,,1.0~5.0mm。,4,3。3,EGSB—A/O,,,COD、BOD5、SSNH3-N99.1%、99.6%、82%96%。《》(GB8978—1996)。33.1,3mg/LCODBODNH3-NSS95584841.2579.251585EGSB8826.54569.5114.251410A/O842.25387123.5411.2587.2518.7514.2564:。82——2009-09,29(9)。[][1],,,.[J].,2003,23(5):462-466.[2],,,.[J].,2003,34(6):5-8.[3],.[J].,2003,19(4):82-83.[4],,.[J].,1995,14(4):11-15.[5],,.[J].,2003,23(5):457-461.[6].[M].2.:,2000:95.[7].COD[J].,1996(11):8-10.[8],,.[J].,2006,26(8):2670-2677.[9],.[J].,2000,19(5):320.[10]ZhuT,JenssenPD,MahlumT.etal.Phosphorussorptionandchemicalcharacteristicsoflightweightaggregates(LWA)-poten-tialfiltermediaintreatmentwetlands[J].Wat.Sci.Tech.,1997,35(5):103-108.,〔4-6〕。,(EGSB)、、、〔7-8〕,;A/O,,EGSB—A/O。,,,。3.2992.70。:280.00,632.70,80.00。,、,260.0kW,0.50/(kW·h),()0.89/t;6,800/(·),0.04/t;2000/t,200mg/L,0.10/t。1.03/t(118.96/a)。,EGSB1kgCOD0.4m3,8700m3,60%~70%,0.50/m3,4350,143.55。500t,1200/t,60.00。,:143.55+60.00-118.96=84.59。4(1)EGSB—A/O,COD8000~10000mg/L,COD100mg/L,。(2)EGSB,COD20kg/(m3·d),COD、BOD5、SSNH3-N99.1%、99.6%、82%96%。(3)。COD25.65t,,84.59。[][1]ZoutbergGR,EkerZ.Anaerobictreatmentofpotatoprocessingwastewater[J].Wat.Sci.Tech.,1999,40(1):297-304.[2].[M].:,1998:214-215.[3].()[M].:,1996:354-356.[4],.[J].,1992,12(2):21-23.[5],,,.[J].:,2004,34(10):31-33.[6].[J].,1993,(3):38-39.[7],.EGSBDMF[J].,2007,27(7):30-32.[8],,,.EGSB[J].,2008,37(4):262-265.[](1981—),2008,,。:0531-83178557,13505411485,E-mail:shihui601@163.com。[]2009-04-22()(53)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!,:EGSB—A/O[](1976—),2007,,。:0371-69127425,E-mail:tjx@ncwu.edu.cn。[]2009-05-05()83——
本文标题:EGSBAO工艺处理高浓度淀粉废水的工程应用石慧
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