超声氧化SBR法处理拟除虫菊酯类农药化工废水王子波

-SBR王子波＊,林业星,徐轶群,薛　琴(,225127)　:-(sequencingbatchreactoractivatedsludgeprocess,SBR),(chemicaloxygendemand,COD)SBR.:COD613.5mg·L-1、40min、H2O2(30%)6mL·L-1,COD,45.7%;SBR4h,COD52.64mg·L-1,GB8978—1996《》.:;;;:X703.1　　　:A　　:1007-824X(2010)04-0079-04.、、、[1];,CN-,Cl-,SO42-,,[2].,.2090,,.[3]、、,.[4][5],,5mg·L-1、90min、pH2H2O2、Fe2+,94.7%.SBR(fillanddrawreactor,FDR)[6].,、、、,SBR,,2070.[7-9][10]-SBR,COD,BOD5(fivedaybiochemicaloxygendemand),TP(totalphosphorus)90.1%,94.2%,84.9%.SBR.,-SBR,.1　1.1　KQ-500B(,500W,40kHz);BS-223s:2010-05-11:(H0211077)＊,E-mail:[e-mail]134()Vol.13No.4201011JournalofYangzhouUniversity(NaturalScienceEdition)Nov.2010DOI:10.19411/j.1007-824x.2010.04.019(Sartorius);pH();SBR:,140mm,500mm,,,,5,、.,COD12270mg·L-1,pH3.5;SBR;.1.2　GB11914—89《》COD.1.3　,[11],SBR.2　2.1　,H2O2(30%)A、B、CDL9(34)[12],1～3.1　Tab.1　Orthogonaltestfactorlevel:A:H2O2/(mL·L-1)B:/minC:D:125101241020236203032　L9(34)Tab.2　L9(34)OrthogonaltestABCDCOD(%)12510116.0221020219.1322030321.244520316.1541030118.0642010224.276530220.9861010322.0962020126.33　Tab.3　OrthogonaltestresultsK(%)H2O2/(mL·L-1)/minK156.543.062.2K258.359.161.5K369.271.760.1R12.728.72.11～3:1);H2O2;.2):H2O2(30%)6mL·L-1,20min,20.,,COD613.5mg·L-1(20)、H2O2(30%)6mL·L-1、5,10,15,20,30,40,50min,1.1,COD613.5mg·L-1、H2O2(30%)6mL·L-1、40min,COD,45.7%,COD333.13mg·L-1.2.2　SBR,COD333.13mg·L-1,pH7SBR.4.80()13COD613.5mg·L-1,H2O2(30%)6mL·L-11　CODFig.1　Theimpactofultrasonicreactiontimeontheremovalrateofwastewater,SBR4h,COD84.2%.SBR,COD91.4%,COD52.64mg·L-1,.[13](BEC),.,500℃、5、BEC45mg·L-1、pH6.08、NaCl0.01mol·L-1、0.6V(vsSCE),120min,BEC80.3%,COD71.6%.,-SBR.4　SBRTab.4　SBRtestresults/hCOD/(mg·L-1)COD(%)-SBRCOD(%)1122.5963.280.0291.9472.485.0373.6277.988.0452.6484.291.4552.9784.190.8:[1]　,,.[M].:,1996:178.[2]　ALBASEERSS,RAORN,SWAMYYV,etal.Anoverviewofsamplepreparationandextractionofsynthet-icpyrethroidsfromwater,sedimentandsoil[J].JChromaA,2010,1217(35):5537-5554.[3]　HOFFMANNMR,HUAI,HCHEMERR.Applicationofultrasonicirradiationforthedegradationofchemi-calcontaminantsinwater[J].UltraSonochem,1996,3(3):163-172.[4]　LAUGHREYZ,BEARE,JONESR,etal.Aqueoussonolyticdecompositionofpolycyclicaromatichydrocar-bonsinthepresenceofadditionaldissolvedspecies[J].UltraSonochem,2001,8(4):353-357.[5]　,,.[J].,2009,39(3):31-34.[6]　CASELLASM,DAGOTC,BAUDUM.SetupandassessmentofacontrolstrategyinaSBRinordertoen-hancenitrogenandphosphorusremoval[J].ProcessBiochem,2006,41(9):1994-2001.[7]　MORLINGS.NitrogenremovalandheavymetalsinleachatetreatmentusingSBRtechnology[J].JHazardMa-ter,2010,174(1/3):679-686.[8]　MATTHEWCK,CATHARINAW,ROBM.Pesticideandrelatedcompounds[J].TextbookofClinOccup&EnvironMed,2005,2(4):199-126.[9]　BERNARDESRS,SPANJERSH,KLAPWIJKA.Modelingrespirationrateandnitrateremovalinanitrifying-denitrifyingSBRtreatingdomesticwastewater[J].BioresTech,1999,67(2):177-189.[10]　,,.-SBR[J].,2000,14(9):28-29.[11]　VONˇCINADB,MAJCEN-LE-MARECHALA.Reactivedyedecolorizationusingcombinedultrasound/H2O2[J].Dyes&Pigm,2003,59(2):173-179.[12]　ADAMSSS,SEBERRYJ,KARSTN,etal.Quaternionorthogonaldesignsfromcomplexcompaniondesigns[J].LinearAlgebraAppl,2008,428(4):1056-1071.[13]　.[D].:,2008.814:-SBRTreatmentofpyrethroidspesticidewastewaterbyultrasonicoxidation-SBRprocessWANGZi-bo＊,LINYe-xing,XUYi-qun,XUEQin(SchofEnvironEngin,YangzhouUniv,Yangzhou225127,China)Abstract:PyrethroidspesticidewastewateristreatedbyultrasonicoxidationandSBR.TheeffectsofdifferentfactorsontheremovalrateofCODinultrasonicprocessandthebestreactiontimeinSBRprocessarestudied.TheresultsshowthatwhenCODinflowis613.5mg·L-1,theultrasonicreactiontimeis40min,thedosageofH2O2is6mL·L-1,theremovalrateofCODisthehighest.Afterbeingpretreatedundertheoptimizedconditionsinultrasonicprocess,thewastewateristrea-tedinSBRreactorfor4hours,andCODoutflowis52.64mg·L-1whichcanreachthefirstclasscriteriaspecifiedintheIntegratedWastewaterDischargeStandard(GB8978—1996).Keywords:ultrasonicoxidation;sequencingbatchreactor;pesticidewastewater;wastewatertreat-ment(责任编辑　史　实)(上接第74面)ExperimentalresearchonperformanceofTORasphaltrubberXIAOPeng＊,CHENYang-yang＊,WUBang-wei(SchofCivilSci&Engin,YangzhouUniv,Yangzhou225009,China)Abstract:Conventionalasphaltrubberisaneffective,energysavingandenvironmentalprotection,modifiedasphaltbinder,butitsviscosityisveryhighanditsworkabilityandstoragestabilityarepoor.TOR(trans-polyoctenamerrubberreactivemodifier)canimprovetheperformanceofasphaltrubber.Inthisarticle,conventionalasphaltrubberandTORasphaltrubberareprepared,andthecomparativestudyonhightemperaturestability,lowtemperaturecrackingresistance,elasticrestorative,anti-agingandstoragestabilityiscarriedout.TheresultsshowthatTORasphalthasoutstandinglowtemperatureperformanceandstoragestability.Keywords:roadengineering;asphaltrubber;trans-polyoctenamerrubberreactivemodifier(责任编辑　贾慧鸣)82()13