二级曝气生物滤池处理高COD木薯加工废水刘伟杰

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COD[](BAF),COD、(TN),(HRT)、,BAFCOD。:BAFCOD,HRT=8h,10∶1,,BAFCOD、TN114.56、2.71mg/L,92.40%、94.01%。[];;[]X703.1[]A[]1005-829X(2009)10-0071-04111121.1001932.150001Abstract:Thecassavaprocessingwastewaterhasbeentreatedbyusingthetwo-stagebiologicalaeratedfilter(BAF)onlaboratoryscale.TheremovalratesofCOD,andtotalnitrogen,optimumhydraulicretentiontime(HRT)andair/waterratioareanalyzed,soastoinvestigatethetreatmenteffectofthetwo-stagebiologicalaeratedfilteroncassavaprocessingwastewaterwithhighCOD.TheresultsshowthatwhentheoptimumHRTis8h,theoptimumratioofair/wateris10∶1,thetreatmenteffectisthebest.TheaverageCODandTNofthetwo-stageBAFeffluentare114.56mg/Land2.71mg/Lrespectively,andtheaverageremovalrateofCOD,TNare92.40%,94.01%respectively.Keywords:two-stagebiologicalaeratedfilter;cassavaprocessingwastewater;hydraulicretentiontimeTreatmentofcassavaprocessingwastewaterwithhighCODbytwo-stagebiologicalaeratedfilterLiuWeijie1,YuanHongli1,LiBaozhen1,YangJinshui1,ShanChao2(1.CollegeofBiologicalScience,ChinaAgriculturalUniversity,KeyLaboratoryofAgro-MicrobialResourceandApplication,TheCenterofBiomassEngineeringofChinaAgriculturalUniversity,Beijing100193,China;2.HeilongjiangInstituteforDrugControl,Harbin150001,China)(BAF),、、、、,〔1-2〕。、,,、、,、〔3-4〕。pH,,、〔5〕,COD、TN。,、,。BAF、COD,COD1000mg/L〔6〕。BAFCOD、TN,BAF。[]“”(2006BAD07A01);(30700010)2910200910IndustrialWaterTreatmentVol.29No.10Oct.,200971——2009-10,29(10)11.1,COD1036~1644mg/L、TN44.71~83.52mg/L、pH3.5~4.3。1.2BAF,1。1,,3~5cm(),BAF10cm,0.5m,0.38m,2.98L。pH7.2,,。1.3,,,。,(SEM)。1.4COD;TN—〔7〕。1.5HRTBAF,:〔8-10〕,6d,40L/h,5L/h,20min。HRT,。HRT6、8、10h,3。,12h,100h,CODTN,。1.6BAF,。HRT,。COD。22.1,,,。BAF(SS),,。BAF,。2.2HRTCOD、TNHRT,COD、TN2、3。2COD3TN2、3,HRT8h,COD110.13mg/L,COD92.64%,TN6.04mg/L,TN86.50%。HRT10h,COD、TN,COD72——2009-10,29(10),:COD93.75mg/L,TN2.71mg/L,。HRT,COD、TN。,HRT8h。8h、COD,COD、TN82.46%、82.70%,COD、TN92.64%、86.50%。:TN〔11-12〕,BAF,,BAF,BAF,,BAF,。2.3COD、TNCOD、TN4、5。4COD4,,BAFCOD,5∶1、10∶1、20∶1,COD163.73、114.56、94.22mg/L,COD84.19%、92.40%、94.26%。5,TN,5∶1,TN,。10∶1,BAFTN,TN2.70mg/L,TN94.01%,20∶1,TN。HFSL,,,。,。,,TN,〔13-15〕。。,,,,,20∶1,10∶1TN。BAF,,。〔16〕,、,,;,,,;,,,,。,。10∶1。3,FPUFSBAF。:8h,10∶1,,,COD、TN92.40%、94.01%。BAF。[][1]XieWeimin,WangQunhui,SongGuanling.Upflowbiologicalfil-trationwithfloatingfiltermedia[J].ProcessBiochemistry,2004,39(6):765-770.[2],,,.BAF[J].,2007,27(7):36-39.[3],,.HCR[J].73——Researchonthetreatmentofvehicle-washingwastewaterbythree-phase/three-dimensionalelectrodemethodGuanHelan,WangJiayu,WangYongshun(ZhenjiangWatercraftCollege,Zhenjiang212003,China),,(,212003)[],,、、、pH,。,25V,30min,3L/min,COD85%。[];;[]X703.1[]A[]1005-829X(2009)10-0074-03Abstract:Anexperimentalstudyonvehicle-washingwastewaterhasbeenconductedbythree-phase/three-dimensionalelectrodemethod.Correspondingtechnologicalparametersforvariousinfluentialfactorswhichaffectthetreatmentefficiency,includingvoltage,electrolysistime,airflow,andpH,areobtained.Theresultsshowthatwhenthevoltageis25V,theelectrolysistime30min,theairflow3L/min,andtheremovalrateofCODover85%.Keywords:three-phase/three-dimensionalelectrode;vehical-washingwastewater;activatedcarbon,,10.06~0.10m3,11a61a,〔1〕。[](1983—),2006,。:010-62733464,E-mail:li-uweijie1982@yahoo.com.cn。[]2009-05-15()!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!2910200910IndustrialWaterTreatmentVol.29No.10Oct.,2009,2006,26(2):242-246.[4],,,./[J].,2003,19(1):68-69.[5],.UASB[J].,2002,23(6):774-779.[6],,.[J].,2005,6(10):1-7.[7].[M].4.:,2002:1-10.[8]SerraC,Durand-BourlierL,CliftonMJ,etal.Useofairspargingtoimprovebackwashefficiencyinhollow-fibermodules[J].JournalofMembraneScience,1999,161(1/2):95-113.[9]KimJO,JungJT,YeomLT,etal.Effectoffoulingreductionbyozonebackwashinginamicrofiltrationsystemwithadvancednewmembranematerial[J].Desalination,2007,202(1/2/3):361-368.[10],,.[J].,2007,28(7):1553-1559.[11],,.BAF[J].,2007,23(21):24-27.[12],,.BAF[J].,2007,23(9):97-100.[13],,,.[J].,2007,28(7):1548-1552.[14],,,.[J].,2007,18(11):2618-2625.[15],,,.[J].,2006,26(11):1804-1808.[16],,,.[J].,2007,23(9):77-80.74——

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