Fenton试剂深度处理阿维菌素废水李再兴1

　　　201129　Fenton试剂深度处理阿维菌素废水＊李再兴1,2　左剑恶1　剧盼盼2　梁静芳2　高鹤永3　薛同来2(1.,　100084;2.,　050018;3.,　050031)　:采用Fenton试剂对阿维菌素废水好氧处理出水进行深度处理,通过正交和单因素试验,考察了初始反应pH值、H2O2投加量、FeSO4投加量和反应时间对废水COD去除率的影响。试验结果表明,最佳反应条件为初始反应pH值3.0、30%H2O2投加量5‰、0.5mol/LFeSO4投加量1%和反应时间40min,COD去除率达75%以上,出水ρ(COD)120mg/L,可满足GB21903-2008《发酵类制药工业水污染物排放标准》表2的排放标准要求。:阿维菌素废水;好氧出水;深度处理;Fenton试剂ADVANCEDTREATMENTOFAVERMECTINWASTERWATERBYFENTONREAGENTLiZaixing1,2　ZuoJian'e1　JuPanpan2　LiangJingfang2　GaoHeyong3　XueTonglai2(1.SchoolofEnvironment,TsinghuaUniversity,Beijing100084,China;2.SchoolofEnvironmentalScienceandEngineering,HebeiUniversityofScienceandTechnology,Shijiazhuang050018,China;3.HebeiVeyongBio-ChemicalCo.,Ltd,Shijiazhuang050031,China)Abstract:Fentonreagentwasstudiedonadvancedtreatmentofavermectinwastewater.AnexperimentaldesignbasedontheorthogonalexperimentsandsinglefactorexperimentswasappliedtodeterminetheoptimalreactionconditionsonCODremoval,suchasinitialpH,thedosageofH2O2andFeSO4,andthereactiontime.Ingeneral,thebestoperatingconditionswerepH=3.0,FeSO4=1%,H2O2=5‰andthereactiontime=40min.UndertheseconditionstheremovalrateofCODwasmorethan75%,theCODofeffluentwaslessthan120mg/L.Thequalityoffinaleffluentindicatedthatitmettherequirementsofthesecondchartindischargestandardsof“WaterPollutantsforPharmaceuticalIndustryFermentationProductsCategory”(GB21903-2008).Keywords:avermectinwasterwater;aerobiceffluent;advancedtreatment;Fentonreagent＊“”(2008ZX07529-006)。0　(avermectin,AVM)、,。、,、,,ρ(COD)=27000～30000mg/L,[1-2]。GB21903-2008《》ρ(COD)120mg/L。Fenton、、、[3],[4-5]、[6-7]、[8-9]、[10-11]。,Fenton,Fenton,Fenton,,。1　1.1　试验用水1DOI:10.13205/j.hjgc.2011.s1.042　　　201129,ρ(COD)=510～530mg/L、pH8.0～8.3。1.2　试验方法300mL,()pH,FeSO4(0.5mol/L)H2O2(30%),,pH10.0,30minCOD。2　pH、H2O2、FeSO4COD,。2.1　正交试验结果与分析,pH(A)、H2O2(B)、FeSO4(C)(D)43,1,2。1　ApHBH2O2/‰CFeSO4/%D/min13.01.00.601026.03.00.803039.05.01.00502　ApHBH2O2/‰CFeSO4/%D/minCOD/%13.01.00.61058.423.03.00.83065.633.05.01.05076.546.03.00.65042.256.05.00.81043.366.01.01.03040.879.05.00.63022.589.01.00.85015.399.03.01.01010.7k166.83338.16741.03337.467k242.139.541.442.967k316.16747.43342.66744.667R50.6669.2661.6347.200　　2,4:pHH2O2FeSO4;A1B3C3D3,pH3.0、H2O25.0‰、FeSO41.0%50min。2.2　单因素试验,,,Fenton。2.2.1　pHpHCOD,,H2O25.0‰、FeSO41.0%40min,pH2.0、3.0、4.0、5.0、6.0、7.0、8.09.0,pHCOD,1。1　pHCOD1,pH,COD,pH2.0～4.0COD,pH3.075.6%;pHCOD。Fenton,pH·OH,·OH。pH,Fe2+,·OH;pH,H2O2,·OH,pH3.0,COD。2.2.2　H2O2pH,pH3.0、FeSO41.0%40min,30%H2O21‰、2‰、3‰、4‰、5‰、6‰7‰COD,2。2,H2O2,COD,H2O25‰,COD,。Fenton,H2O2,·OH,COD。H2O2,·OH2　　　2011292　H2O2CODH2O2,H2O2,COD。,30%H2O25‰。2.2.3　COD,pHH2O2,pH3.0、H2O25.0‰FeSO41.0%,10,20,30,40,5060minCOD,3。3　COD3,Fenton,10minCOD66.0%。40min,COD75.2%,,COD。,40min。2.2.4　FeSO4pH、H2O2,pH3.0、H2O25.0‰40min,0.5mol/LFeSO40.4%、0.6%、0.8%、1.0%、1.2%1.4%,COD,4。4,FeSO4,COD,FeSO41.0%,COD75.4%,FeSO4,COD,。Fe2+H2O2·OH,Fe2+4　FeSO4COD,Fe2+,·OH,COD。FeSO4,:Fe2++·OH※Fe3++OH-,Fe2+·OH·OH,。,0.5mol/LFeSO41.0%。2.3　稳定性试验Fenton(:pH=3.0、30%H2O25.0‰、0.5mol/LFeSO41.0%40min)。3,3。3　ρ(COD)/(mg·L-1)ρ(COD)/(mg·L-1)COD/%151210878.9252910779.8351011477.6　　3,Fenton,ρ(COD)120mg/L,COD75%,GB21903-20082。3　Fenton,,:1),pH、H2O2、FeSO44COD,:pHH2O2FeSO4;2),:pH3.0、H2O25.0‰、FeSO41.0%40min,ρ(COD)120mg/L,COD75%,GB21903-20082。(16)3　　　2011299　、、,COD。4　1),:pH4,120min,4,COD57.8%,68.4%。2),、,。[1].[J].,2009,10:38-40.[2],.[J].,2009,35(1),26-27.[3]YangXY.Interiormicroelectrolysisoxidationofpolyesterwastewateranditstreatmenttechnology[J].Journalofhazardousmaterials,2009,169:480-485.[4]XiaS,ZhuC.Removaloforganicpollutantsfrom2,2,5,5-tetra-chlorobenzidine(TCB)industrialwastewaterbymicro-electrochemi-caloxidationandair-stripping[J].Journalofhazardousmaterials,2007,144:159-163.[5]LiFan,NiJinren.Treatmentofbromoamineacidwastewaterusingcombinedprocessofmicro-electrolysisandbiologicalaerobicfilter[J].Journalofhazardousmaterials,2009,162:1204-1210.[6],,,.[J].,2005,31(11):67-70.[7],,.-[J].,2007,27(4):338-341.[8]MantegazzaMA,CesanaA,PastoriM.Ammoximationofketonesontitaniumsilicalite[J].TopicsinCatalysis,JournalofCatalysis,1996(3):327-335.[9]ThangarajA,SivasankerS,RatnasamyP.CatalyticPropertiesofCrystallineTitaniumSilicalites[J].JouralofCatalysis,1991,130(1):394-400.[10]ZecchinaA,BordigaS,LeofantiG.StructuralcharacterizationofTicentresinTi-silicaliteandreactionmechanismsincyclohexanoneammoximation[J].Catalysistoday,1996(32):97-106.　　410083　E-mail　[e-mail]2010-09-29(3)[1],,,.PSAF[J].,2008,29(4):332-335.[2]HernandezBorgesJ,RaveloPerezLM,HernandezSuarezEM,etal.Analysisofabamectinresiduesinavocadosbyhigh-perform-anceliquidchromatographywithfluorescencedetection[J].JournalofChromatographyA,2007,1165(1-2):52-57.[3],.[J].,2009,35(3):18-22.[4],,,.Fenton[J].(),2008,34(6):830-833.[5],.Fenton[J].,2009,32(5):141-143.[6]HuseyinT,OkanB,SelaleSA,etal.UseofFentonoxidationtoimprovethebiodegradabilityofapharmaceuticalwastewater[J].JournalofHazardousMaterials,2006,136(2):258-265.[7],,.Fenton[J].,2007,32(8):104-105.[8],.Fenton[J].,2008,24(18):9-13.[9],,,.Fenton[J].,2009,31(3):52-56.[10]PapadopoulosAE,FattaD,LoizidouM.Developmentandopti-mization