UV氧化生物强化MBR耦合工艺处理模拟印染废水陈桂娥

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

UV-MBR1,1,2,3(1.,200235;2.,201306;3.,200237)[]UV+(MBR),MBR。MBR:25℃,pH=6,10h,3~5mg/L,60d,0.5%MBR。,UV,TOC89%,。,。[]UV;;;[]X703[]A[]1005-829X(2011)09-0034-04StudyonthetreatmentofsimulateddyeingwastewaterbythecoupledUVoxidationandbio-augmentedMBRprocessChenGuie1,LiXiaohuan1,2,XuZhenliang3(1.SchoolofChemicalandEnvironmentalEngineering,ShanghaiInstituteofTechnology,Shanghai200235,China;2.SchoolofFoodEngineering,ShanghaiOceanUniversity,Shanghai201306,China;3.ChemicalEngineeringResearchCenter,EastChinaUniversityofScienceandTechnology,Shanghai200237,China)Abstract:Themembranebioreactor(MBR)coupledwithUVoxidationsystemhasbeenusedfortreatingsimulateddyeingwastewater.Theeffectsofthetreatmenteffectivenssandbio-augmentationcapacityonMBRprocesshavebeenstudied.MBRsystemistobeoperatedundertheconditionsofT=25℃,pH=6,HRT=10handDO=3~5mg/L,runningtime60d,andtheaugmentedstrainsaredosedintoMBRinacertainproportionof0.5%.Theresultsillus-tratethattheUVoxidationlowersthetoxicityofthewastewatergreatly,andthetotalaverageremovalrateofTOCreaches89%.Theeffluentwaterqualityisprettygood.Moreover,bio-augmentationmakestheactivatedsludgetakeonbetterphysiologicalactivityandanti-shockloadingcapability.Keywords:UVoxidation;membranebioreactor;dyeingwastewater;bio-augmentation、、、、、、〔1〕,。、〔2〕。UV,,,〔3〕,,,〔4〕。(MBR),、、、〔5〕,MBR,。EM(),〔6〕,。UV,,MBR,MBREM,。11.1KN-R,200mg/L,TOC84~86mg/L;[](02HK04);(P1501)31920119IndustrialWaterTreatmentVol.31No.9Sep.,201134,;EM;。1.2UV,185nm,4L,20cm。H2SO4pHH2O2,;H2O2、pH、,。〔4〕:H2O21.84g/L,pH2.0,180min。pHMBR。1.3MBRMBR1。1—;2—;3—;4—;5—;6—。1MBR,6L,,(PVDF),0.2μm,0.5mm,0.047m2。12.8L/(m2·h),10h,3~5mg/L,pH=6,25℃,。、,10min,2min。EM0.5%MBR,〔7〕。1.4(SVI)、(MLSS)〔8〕;pHpHS-3DpH();TOCTOC-VCPH();JPSJ-605();TTC-DHA〔9〕;TU1810-();DeltaTox(SDI)。22.1UVH2O21.84g/L、pH2.0,UV,,2、3。2UV32,UV150min。,·OH。180min,TOC58%,60minTOC1%。,TOC34.2~37.1mg/L,56.3%~59.6%,,。2.2UVKN-RUV,KN-RTOC84.86mg/L,pH=7.0,UVTOC34.2~37.1mg/L,pH=7.0。pH,DeltaTox5,1。5,Dixon〔10〕。Dixon,52011-09,31(9),:UV-MBR35:X1<X2<X3<X4<X5,X1X5,Q:1:-,+。X5,Q=X5-X4X5-X1(1)X1,Q=X2-X1X5-X1(2)QQQa=0.780(n=5,0.01)。(1)(2)Q≥0.780,,;Q<0.780,,。Dixon2。2〔11〕:(<30%)、(30%~50%)、(50%~70%)、(70%~100%)(>100%)。,UV,,UV6%,,。2.3MBRMBR(60d),4。4MBRTOC4,60dTOC,30dTOC。TOC34.2~37.1mg/L,TOC16.1~19.1mg/L,TOC9.1~11.2mg/L,TOC20%,,。EMUV,,〔12〕。EM,,,EMMBR,,EM。2.4MBR(DHA),。60dDHA,5。5MBRUV,,,DHA。MBREMDHA,EM;,EM,DHA。MBR,DHA10d,25~26μg/(mg·h)。MBRDHAMBR,40d38~39μg/(mg·h),MBR,EM,。KN-RUV/%-34-6/%/%KN-R1-29UV1-62-312-73-323-44-444-85-355-72011-09,31(9)362.5MBR,MBR60d,0.5%()EM,30d,3,10d。3UVTOC70.7~72.5mg/L、94.7~97.1mg/L141~143mg/L,6。6MBR,TOC,15mg/L,;TOC,3TOC36mg/L。MBR,TOC。EM,〔13〕。2.67。77,UV-MBR80.1%,UV-MBR89%,10%。3(1)UV-MBRKN-R,89%,。(2)UV,。(3)EM,、、。(4)EM。[][1]KapdanIK,KargiF.Simultaneousbiodegradationandadsorptionoftextiledyestuffinanactivatedsludgeunit[J].ProcessBiochemistry,2002,37(9):973-981.[2]PearceCI,LloydJR,GuthrieJT.Theremovalofcolourfromtextilewastewaterusingwholebacterialcells:areview[J].DyesandPig-ments,2003,58(3):179-196.[3].[J].,2009,14(3):98-102.[4],,,.UV-KN-R[C]∥2009,2009.[5].[M].:,2001:301-350.[6]JinMin,WangXinwei,GongTaishi,etal.Anovelmembranebioreactorenhancedbyeffectivemicroorganismsforthetreatmentofdomesticwastewater[J].AppliedMicrobiologyandBiotechnol-ogy,2005,69(2):229-235.[7],.EM[J].,2001,21(10):13-15.[8].[M].:,2002:24-36.[9],,,.[J].,2008,28(10):1-4.[10],.[M].2.:,2008:101-156.[11]U.S.EnvironmentalProtectionAgency.Toxicologicalreviewofchlorinedioxideandchlorine[R].Washington,D.C.:EPA,2000.[12],,.[J].,2002,3(5):36-42.[13],,,.MBR[J].,2009,29(3):99-102.[](1965—),2009,,。:021-60873565。:,E-mail:chemxuzl@ecust.edu.cn。[]2011-07-21()2011-09,31(9),:UV-MBR37

1 / 4
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功