含氮农药的好氧生物降解性能及废水治理对策

20419997ENVIRONMENTALSCIENCEVol.20,No.4July,1999*瞿福平　杨义燕　冯旭东　戴猷元(,100084Email:[e-mail]),,4,.,4,,,0.00353L/(gh),0.00577L/(gh),0.00160L/(gh),0.00456L/(gh).,41..,,,.*(TheNationalKeyScienceandTechnologyProjectduringtheNinthFive-yearPlanPeri-od):96-909-05-01:,32,:1998-10-27AerobicBiodegradabilityofPesticidesContainingNitrogenandCounterMeasurefortheTreatmentofPesticideWastewater*QuFupingYangYiyanFengXudongDaiYouyuan(DepartmentofChemicalEngineering,TsinghuaUniversity,Beijing100084,ChinaEmail:[e-mail])AbstractIncludedisastudyontheaerobicbiodegradabilityoffourpesticidescontainingnitrogen(atrazine,metribuzin,acetochlorandsimetryne)fromthepointofviewofkineticsbyusinglongtermacclimatedbacteria,andacountermeasureforthetreatmentofthepesticidewastewaterissuggested.Theexperimentalresultsshowthatallfourtestedcompoundsarepoorbiodegradableorganics,theirbiodegradationsfollowthefirst-or-derkinetics,andtheirbiodegradationrateconstantsare0.00353L/(gh),0.00577L/(gh),0.00160L/(gh),0.00456L/(gh)respectively.Thestudyforquantitativestructurebiodegradabilityrelationship(QSBR)showsthataerobicbiodegradationconstanthasnegativelinearrelationwiththefirstcorrectedmolecularindex.Extract-replaceisaneffectiveprocessforthetreatmentofthepesticidewastewater.Keywordspesticidecontainingnitrogen,aerobicbiodegradability,QSBR,extract-replaceprocess.,,,[1,2]..[3,4].,,.11.11.1.21000ml,,,200ml,,,600ml,600mg600mg25mlpH7.2,1000ml,.,.40d.5d,0.25.14/nm/%C2HsNCH2OC2H5CCH2ClOCH326683NNNClC2H5HNNHCH(CH3)222490NNNSCH3C2H5NHNHC2H522498NNNS(CH3)3CONH2CH3294932/mgL-15020505049.519.549.649.41.3,(1000ml100mg/L),31000ml,(2)(1000ml3),,10min,.80ml,,.18d.3/mgL-1CaCl227.5MgSO47H2O22.5FeCl36H2O0.25(NH4)2SO450KH2PO417K2HPO443.6Na2HPO412H2O89.41.44,(1).HP-8452.22.1414418d.12134344(t=0),,,(1)(4).S=49.5e-0.000353t(R2=0.9923)(1)S=19.5e-0.000577t(R2=0.9918)(2)S=49.6e-0.000160t(R2=0.9947)(3)S=49.4e-0.000456t(R2=0.9906)(4),4,4,4.44K10-3/L(gh)-1/d3.538.185.775.001.6018.054.566.334,4,:.,,5d,,4.2.24[4,5],4,,.,,,.,[68].,,,,[9].401.5.540X0XV1X1XV13.543611.95818.65066.712010.55209.33736.61345.069510.38899.48066.79565.800010.22369.05205.83725.429754,,,1,(5).1420K=0.00248711XV+0.018173R2=0.9876(5)51.51XV(5)5,41.[9],1.2.3,,,.,,.,,[10].,[11].,,.4*,,2,,,.,.3(1)4,.(2)4,0.00353L/(gh),0.00577L/(gh),0.00160L/(gh),0.00456L/(gh).(3),41.(4).1..:,1998.3063242,..,1996,4(2):33453PitterP.BiodegradabilityofOrganicSubstancesintheAquaticEnvironment.USA:CRCPress,1992.65834..:,1997.42805.-.,1994,2(1):26526OkayRWetal.AQSBR-basedBiodegradabilityModel-aQSBR.WaterResearch,1996,30(9):220622147,,..,1998,19(6):26288,,..,1997,17(3):1992029,.-.:,1992.122410KingCJ.Handbookofseparationprocesstechnology.NewYork:JohnWiley&Sons,1987.76077411,,..,1998,19(6):5255*...:,1998,3743154