Fenton试剂预处理阿奇霉素废水实验研究高健磊

Fenton试剂预处理阿奇霉素废水实验研究高健磊1,毋　甜1,马家轩2,闫怡新1,杜伟华1(1.,　450002;2.,　450052)　:采用Fenton试剂氧化阿奇霉素废水,以活性污泥的好氧呼吸速率(OUR)为指标。通过正交实验对Fenton试剂氧化的几种影响因素进行了分析,得出了影响因素的次序:初始pH值反应时间H2O2的投加量双氧水与Fe2+的物质的量比;反应初始pH值为7.0、反应时间为60min、H2O2的投加量为2.4mmol/L、双氧水与Fe2+的物质的量比为5∶1时,OUR值能够从0提高到0.55mg/(g·min),阿奇霉素废水的可生化性提高效果最佳,有利于后续的生物处理。:Fenton试剂;阿奇霉素废水;氧化;OUR;可生化性:X787　　　:A　　　:1003-3467(2008)05-0021-03StudyonPretreatmentofAzithromycinWasteWaterwithFentonReagentGAOJian-lei1,WUTian1,MAJia-xuan2,YANYi-xin1,DUWei-hua1(1.SchoolofEnvironmentandWaterConservancy,ZhengzhouUniversity,Zhengzhou　450002,Chi-na;2.HenanChemicalIndustryResearchInstituteCo.Ltd.,Zhengzhou　450052,China)Abstract:TheFentonmethodisappliedtooxygenatetheazithromycinwastewaterusingoxygenuptakerate(OUR)ofactivatedsludgeastheindex.VariousinfluencefactorsonoxidationbyFentonreagentareanalyzedthroughorthogonaltest.TheresultsshowthattheinitialpHvalueisthemaininfluencingfactor,thesecondisreactiontime,thethirdisH2O2doseandthelastisthemolarratioofH2O2andFe2+.UndertheoptimumconditionsofinitialpHvalue7.0,reactiontime60min,H2O2dose2.4mmol/LandtheH2O2/Fe2+molarratio5,OURcouldbeimprovedfrom0to0.55mg/(g·min).Thebiodegradabilityofazithromycinwastewaterisgreatlyimproved,whichisfavorabletothesubsequentbiologicaltreatment.Keywords:Fentonreagent;azithromycinwastewater;oxidation;oxygenuptakerate;biodegradabili-ty　　、、、,。。,,。Fenton、、。Fenton,,。1　1.1　,,,pH9.0,COD30000mg/L,(OUR)0,。[2]　DiCesareN,LakowiczJR.Fluorescentprobeformono-saccharidesbasedonafunctionalizedboron-dipyr-romethenewithaboronicacidgroup[J].TetrahedronLett,2001,42:9105-9108.[3]　LiZ,BaiX,RuparelH,etal.AphotocleavablefluorescentnucleotideforDNAsequencingandanalysis[J].PNAS,2003,(2):414-419.[4]　KollmannsbergerM,RurackK,Resch-GengerU,etal.Designofanefficientcharge-transferprocessingmolecu-larsystemcontainingaweakelectrondonor:spectroscop-icandredoxpropertiesandcation-inducedfluorescenceenhancement[J].ChemPhysLett,2000,329:363-369.·21·5　　　　　　　　　　　　　　:FentonDOI:10.14173/j.cnki.hnhg.2008.05.0151.2　:TJ6-2();ZD-2A();HI9146();85-2()。:,30%,,,。1.3　Fenton500mL400mL,pH;0.5mol/L,,(30%),,60r/min,pH7～9,30min,,(OUR)。1.4　OUR(MLSS),mg·g-1·min-1。,。,OUR[1],;HI9146,20℃±1℃;pH:,pH()。2　2.1　Fenton。FentonpH(A)、H2O2/Fe2+(B)、H2O2(C)、(D)[2],,。12。1　ABC/mmol·L-1D/h141∶12.40.5275∶14.81.031110∶17.21.52　ABCDOURmg·g-1·min-1141∶12.40.50.3046245∶14.81.00.32253410∶17.21.50.3052471∶14.81.50.548575∶17.20.50.43086710∶12.41.00.48347111∶17.21.00.32278115∶12.41.50.454591110∶14.80.50.366210.3110.3920.4140.36720.4870.4030.4120.37630.3810.3850.3530.4360.1760.0180.0610.069　　2,:pHH2O2Fe2+,:pH7.0,5∶1,2.4mmol/L,1.5h。2.2　Fenton,Fenton,。2.2.1　反应初始pH值的影响2.4mmol/L,Fe2+5∶1(0.39mL,0.5mol/L),1.5h。pHFenton1。1　pHOUR1,pH,OUR,pH7,OUR,,pH,OUR。,pH7.0。2.2.2　反应时间的影响·22·HENANCHEMICALINDUSTRY　　　　　　　　　　　　　2008　25pH7.0,2.4mmol/L,Fe2+5∶1,Fenton2。2　OUR2,60min,OUR,。60min,OUR,。1.0h。2.2.3　H2O2的投加量的影响pH7.0,Fe2+5∶1,1.0h。H2O2Fenton3。3　H2O2OUR3,H2O2,OUR。,H2O22.4mmol/L。OUR,。2.2.4　双氧水与Fe2+的物质的量比的影响pH7.0,2.4mmol/L,1.0h。Fe2+Fenton4。4,Fe2+,Fe2+,OUR,Fe2+5∶1,OUR,4　Fe2+OUR。Fe2+5∶1,Fe2+0.5mmol/L。,Fenton,OUR00.55mg/(g·min),,。3　,FentonpH,、H2O2Fe2+。,Fenton,;1.0h,,,;H2O22.4mmol/L,,H2O2;Fe2+,OUR,5∶1。Fenton:pH7.0,60min,H2O22.4mmol/L,Fe2+0.5mmol/L,,OUR00.55mg/(g·min),。:[1]　刘　红,闫怡新,王文燕,等.低强度超声波改善污泥活性[J].环境科学,2005,26(4):124-128.[2]　朱亦仁,鲁　玲,李爱梅,等.Fe2+/H2O2法处理草浆纸厂废水的影响因素研究[J].环境污染治理技术与设备,2006,7(7):91-95.　　:2008-03-11　　:(1963-),,,,:[phone]。·23·5　　　　　　　　　　　　　　:Fenton