附加循环IC不足及冲击负荷条件下处理食糖精炼废水研究管锡珺

32。。、、、[1]。COD、、、BOD50.45、。COD。、、、、5m(C)/m(N)114～165。。ICIC。11.1、。IC2IC9m、14m850m3、500m3。。1。ICIC12、2IC211211.2660332.150036IC。4～5、。COD5kg/(m3·d)COD2500mg/LCOD400mg/LCOD83.3%VFA。。50d。ICX792A1000-3770(2015)[e-mail][e-mail]41520155Vol.41No.5May,201589DOI:10.16796/j.cnki.1000-3770.2015.05.025。1--。111[2]。12。2[3-4]。IC、、、、21。1.2、。1。1COD、、BOD50.45m(C)/m(N)114～165。COD5g/LCOD20kg/(m3·d)COD4～5。1.3IC、VSTSm(VS)/m(TS)65%、65%、0.5～4mm。200t。。1.4IC、COD、、pHVFA、COD、、pH。。22.1COD1kg/(m3·d)。1－10。CODCODCOD。11－25COD1Fig.1Schematicdiagramofreactor22～2922～2951.52～8.37520.88～4.024.32～6.904.32～6.902033～731Tab.1Qualityoftestwater/℃COD/(g·L-1)BOD5/(g·L-1)pHρ(NH3-N)/(mg·L-1)41590。COD83.8%。26－40CODCODCOD。29、CODCOD72.7%。CODCOD。COD。41COD272～546mg/L83.3%COD5kg/(m3·d)。50COD20kg/(m3·d)、COD5kg/(m3·d)24～5。[5]。2.2COD22～29℃IC。28～32℃1－10200～300m3/d11－40400～600m3/d41－50800～1200m3/d。2COD。21－10CODCOD1～2kg/(m3·d)CODCOD73.2%。11－25CODCOD300mg/L。COD1.774.74kg/(m3·d)1、COD3.59kg/(m3·d)CODCOD84%COD。26－40COD3045～8395mg/LCOD1000mg/L2056mg/LCOD72.7%～82.6%COD72.7%～82.6%29、CODCOD8.06kg/(m3·d)。COD34。COD、、CODCOD。41－50COD5kg/(m3·d)COD83.3%。。[6]。2COD、Fig.2CurveofinfluentandeffluentofCOD,volumetricloadinganditsremovalrate010203040506002468100204060801000246810
/(kgmd)COD/gL/%t/d
 IC912.3pHVFA3pHVFA。3pH4.32～6.904.32～5.48pHpH6.35～7.08。pH6.5、。11－25pHVFApHpH。29。pHVFA873mg/L。pH。41～50VFA361～487mg/LpHpH。3VFApHVFApH。3ICCOD、COD1505～2018mg/LVFA361～487mg/LCOD83.3%。m(C)/m(N)114～165COD5kg/(m3·d)COD2000mg/L83.3%。VFApHVFApH。COD、。COD、。。IC、、、。[1],,.[J].,2012,31(6):78-82.[2],,,.IC[J].,2011,5(2):352-356.[3],.[J].,2010,28(1):14-46.[4],,.IC[J].,2011,5(3):593-596.[5].UASB[D].:,2009.[6],,,.UASB[J].,2006,32(11):61-65.3pHVFAFig.3CurveofinfluentandeffluentpHandenfluentconcentofVFAρ(VFA)/(mg·L-1)01020304050600123456780.00.20.40.60.81.0t/d
VFA
pH
pHpH9741592CIRCULATION-ADDEDINTERNALCIRCULATIONREACTORTREATINGSUGARREFININGWASTEWATERUNDERTHECONDITIONOFLACKANDIMPACTLOADGuanXijun1,GaoHonggang1,WangZhonggang2,ZhiXuejiao1(1.SchoolofEnvironmentalandMunicipalEngineering,QingdaoTechnologicalUniversity,Qingdao266033,China;2.HeilongjiangXinTianchengEnvironmentalProtectionScienceandTechnologyCo.Ltd.,Harbin150036,China)Abstract:Thecirculation-addedinternalcirculationreactorwasdesignedandbuiltinordertotreatsugarrefiningwastewaterfromacertainfactory.Thepollutantsdesignindexprovidedbythefactorywas4~5timesasmanyastheactualoperationindex,leadingthattheflocculentsludgeplayedthemainroleinthereactorratherthanthegranularsludge.Theoperationeffectwasresearchedunderlimitedconditionsofthelackloadcausedbyabigdifferencebetweenactualwaterquality,wateryieldanddesignparametersandtheimpactloadcausedbythedischargeofflushingjarwaterduringoperation.TheresultshowedthattheCODvolumeloadingofreactorcouldreachmorethan5kg/(m3·d)inthecaseofflocculentsludgestability,theinflowCODwasabout2500mg/L,theeffluentCODwasabout400mg/L,theremovalrateofCODcouldreachabout83.3%,andthechangeofeffluentVFAcontentcouldreflecttheacidificationextentofthereactor.Thedischargeofflushingjarwaterwasanimportantimpactloadwhichcannotbeignored.Theexperimentwasfinishedsuccessfullyina50doperation.Keywords:sugarrefiningwastewater;thecirculation-addedICreactor;lackload;impactload;start-upstudyg/L、120minCOD3649mg/L666.2mg/L81.74%。FentonpH2、FeSO4·7H2O3.94g/L、H2O22.40g/L、Fenton2hCOD89.87mg/L86.51%。COD97.54%GB16889－2008。Fenton6.90/t。[1],,.[J].,2008(1):32-35.[2],,,.[J].,2009,32(11):160-162.[3],,,.Fenton[J].,2009,25(17):97-99.[4].[D].:,2010.[5]GB16889－2008[S].[6].Fenton[D].:,2009.APPLICATIONRESEARCHONCATALYTICOZONE-FENTONOXIDATIONPROCESSESTOTREATLANDFILLLEACHATEMaXingguan1,HeYida1,GaoQiang2,WangLei3,ZhangRongxin1,FuJinxiang1(1.InstituteoftheLiaoheRiverBasinWaterPollutionPrevention,ShenyangJianzhuUniversity,110168;2.CollegeofManagement,ShenyangJianzhuUniversity,110168;3.ShenyangEnvironmentalMonitoringCenter,110016:Shenyang,China)Abstract:Theeffectsofozonepretreatment-Fentoncatalyticoxidationmethodandparametervariablesonthetreatmentofrefractoryorganicsinlandfillleachatewerestudied.Simulatingengineeringapplications,furtheranalysiswasdonetodeterminethebestconditionsoverallprocessparameterstoachievethebesttreatmenteffectandengineeringeconomics.Theresultsshowedthatundertheconditionsofroomtemperature,pHbeing3,ozonemassflowratebeing5.2mg/min,catalystdosagebeing150g/L,thereactiontimebeing120min,theCODremovalratereached81.74%,whichindicatedbestresultsofpretreatment.UndertheconditionsofpHbeing2,H2O2dosagebeing2.40g/L,dosageofFeSO4·7H2Odosagebeing3.94g/L,Fentonreactiontimebeing2h,theCODremovalratereached86.51%,achievingthebesttreatmentefficiency.WaterqualitymetthedischargestandardoftheGB16889－2008.Engineeringexpectedprocessingeffectwasgood,andtreatmentcostwas6.90yuan/t.Keywords:landfillleachate;catalyticozonation;pretreatment;Fentonoxidation;engineeringapplications/(·t-1)2Tab.2Engineeringrunningcosts30%1.2.24h38h/(·d)。2.40g/L3.94g/L420kWh1600/t300/t0.10/t0.50/(kWh)15000/(·a)3.8