吡虫啉废水厌氧与加压好氧组合处理技术研究

吡虫啉废水厌氧与加压好氧组合处理技术研究张勇1,王志良2,张林生3,李国新3,乐昕1,李国平2(1.,210042;2.,210029;3.,210096)[].,8B2,;P=013MPa,DO=5~6mg/L,HRT=416h,.COD,;.[],,,[]X70311[]A[]1672-1292(2009)04-0049-04StudyonImidaclopridWastewaterTreatmentbyAnaerobicHydrolysis-PressurizedBiologicalOxidationProcessZhangYong1,WangZhiliang2,ZhangLinsheng3,LiGuoxin3,YueXin1,LiGuoping2(1.DepartmentofEnvironmentalEngineering,NanjingNormalUniversity,Nanjing210042,China;2.JiangsuResearchInstituteofEnvironmentalScience,Nanjing210029,China;3.DepartmentofEnvironmentalEngineering,SoutheastUniversity,Nanjing210096,China)Abstract:ThecapabilityofimidaclopridwastewatertreatmentbycombinedAnnerobicHydrolysis-pressurizedbiologicaloxidationprocesswasstudiedinthispaper.Thestudiesshowedthatthehydrolysiseffectwasimprovedduetoco-metab-olismbymixingpesticidewastewaterandSewageintermofavolumeratioas8B2.Thefeasiblerunningparameterofpressurizedbiologicaloxidationprocesswasthatthepressureamountedto013MPa,DOwasinscopeof5and6mg/L,andtheHRTwas416h.Theeffectofpesticidewastewatertreatmentwouldnotbeimpactedobviouslybythehighsaltcontent.ThevolumeloadofpressurizedbiologicaloxidationprocessshouldbecontrolledinalowlevelwhentheeffluentCODvaluewasrequiredtobelow,asshouldbecontrolledinahighlevelwhendealingefficiencyofthereactorwasrequiredtobehigh.Keywords:imidacloprid,anaerobichydrolysis,pressurizedbiologicaloxidation,combinedprocess:2009-04-20.:(KF2008005).:,,,:.E-mai:[e-mail],115.t7%,1%[1].,,..,.SBR.-[2,3].[4].,(Imidacloprid),C9H10ClN5O2,,[5].,B/C012,,)49)94200912()JOURNALOFNANJINGNORMALUNIVERSITY(ENGINEERINGANDTECHNOLOGYEDITION)Vo.l9No.4Dec,2009,,.1材料与方法111,-,1.YDT,,,5100mm,35%.1121/(mg/L)Table1Waterqualityoftheimidaclopridpesticidewastewater/(mg/L)CODTNNH4+NO3-Cl-/%302501320430907019516,1.,COD3000~5000mg/L.113,COD(GB11914)89);BOD5(GB7488)87);DO(GB7489)87).2实验结果与讨论211,,2,,4,,.[6],20%40%60%80%100%,1.,COD.80%,COD35%.100%,COD1713%,,.,.80%,20%,,,,.,.,,,8B2.212(HRT30h),B/C0120135,,.21211DO对加压生化反应器COD去除率的影响P=013MPa012MPa,3500mg/L,HRT=416h,[7],COD,23.2,P=013MPa,,COD)50)()94(2009).510mg/L,COD6915%.,COD,5~6mg/L.P=012MPaP=013MPa.23,,DO=310mg/L,P=012MPaP=013MPaCOD5910%6110%,,,COD.212.2HRT对加压生化反应器COD去除率的影响013MPa,,510~610mg/L,COD3500mg/L.HRTCOD,4.4,,COD,416h,COD6814%,,COD.,,HRT416h.21213容积负荷及含盐量对加压生化反应器COD去除率的影响P=013MPa,HRT=416h,COD,NV.510~610mg/L,2.2,,NV,,COD.,COD,,,,COD.2,,NV,COD,,.COD,,619kgCOD/(m3#d);(18kgCOD/(m3#d)),COD,.)51),:2Table2Theinfluenceofvolumeloadandsaltcontentontreatingeffect123456/%113117210212214218NV/(kgCOD/(m3#d))61910181213131615141811COD/(mg/L)132320832354264629633470COD/(mg/L)873125396958081015COD/%931485107711731772177017/(kgCOD/(m3#d))6149129151012111212183结论(1)-,,,,8B2;(2),;(3):P=013MPa,DO=5~6mg/L,HRT=416h,.COD,;,.[](References)[1].[M].:,2000.LinYusuo.PesticideandEcologicalEnvironmentProtection[M].Beijing:ChemicalIndustrialPress,2000.(inChinese)[2],.--SBR[J].,2004,3(2):40-42.XuBo,XuXiang.Basicoxidation-anaerobicfilter-SBRprocesstreatingorganicphosphoruspesticidewastewater[J].WaterandWastewaterEngineering,2004,3(2):40-42.(inChinese)[3],,.--SBR[J].,2001,21(2):88-91.MengLianjun,ZhangJianxin,LuShaoming.Treatmentoforganicphosphoruspesticidewastewaterbyweakalkalinehydroly-sis-anaerobichydrolysis-SBRaerobicbiologicaltechnology[J].EnvironmentalProtectionofChemicalIndustry,2001,21(2):88-91.(inChinese)[4],,.[J].,2005,25(11):9-11.ZhangYong,ZhangLinsheng,XiaMingfang.Developmentofbiologicaltreatmenttechnologyofwastewaterbypressurizedoxy-gendissolution[J].IndustialWaterTreatment,2005,25(11):9-11.(inChinese)[5].[J].:,2004,22(1):84-88.DuChunxiu.Outlineofstudyonimidacloprid[J].JournalofHainanUniversity:NaturalScienceEdition,2004,22(1):84-88.(inChinese)[6],.[M].:,2003.XuYatong,HuangMinsheng.OperationManagementandExceptionalCountermeasureofWastewaterBiologicalTreatment[M].Beijing:ChemicalIndustrialPress,2003.(inChinese)[7],.[J].,2002,18(9):34-36.CaoJinghua,MingYuxiao.Effectofpressureonoxygentransferinthepressurizedbio-reactor[J].ChinaWaterandWastewater,2002,18(9):34-36.(inChinese)[责任编辑:严海琳])52)()94(2009)