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INDUSTRIALWATER&WASTEWATERVol.41No.3Jun.,2010IC,,(,450002),、。、、、,,,。[1],、。(IC),IC。,IC。11.1,1。1,COD、BOD5,m(BOD5)/m(COD)0.38~0.42,。1.2。IC1,5:、:2009-12-14;:2010-04-12:IC。COD1.9~12.3g/L,BOD50.8~5.2g/L,pH5.2~6.5,6,CODpH,,。,ICCOD75%,(VFA)200mg/L,pH6.5~7.5,、、1~3mm。:IC;;;:X787.033:A:%1009-2455(2010)03-0026-03Start-upofICreactorforjiemycinwastewatertreatmentMAJing,MAIWen-ning,HUXue-li(CollegeofWaterConservancyandEnvironmentalEngineering,ZhengzhouUniversity,Zhengzhou450002,China)Abstract:Thestart-upcharacteristicsofICreactoranditsperformanceforjiemycinwastewatertreatmentwerestudied.Thequalityparametersofthewastewaterwereasfollows:themassconcentrationofCODandBOD5were1.9-12.3g/Land0.8-5.2g/Lrespcetively,thepHvaluewas5.2-6.5.6monthsafterthestart-uptesting,themassconcentrationofCODandpHvalueoftheeffluentwaterfromthereactorchangedlittle,thereactoroperationwasstableandthestart-upwascomplete.Theresultsofthetestshowedthat,usingICreactortotreatjiemycinwastewater,theremovalrateofCODreachedabout75%,themassconcentrationofVFAintheeffluentwaterwasbelow200mg/L,thepHvaluewaskeptat6.5-7.5,thereactorhadformedgranularsludge(particlesizewas1-3mm)withcertainmechanicalstrengthandgoodsettlingbehavior.Keywords:ICreactor;jiemycinwastewater;start-uptesting;VFA1Tab.1Wastewaterqualityρ(COD)/(g·L-1)ρ(BOD5)/(g·L-1)ρ()/(g·L-1)ρ(SS)/(g·L-1)/pH1.9~12.30.8~5.21.73~1.880.73~1.25600~8005.2~6.5·26·、、。IC,、、。IC,8,5kg[COD]/(m3·d)。1500m3。24m,10m,4,1、2、3、4m,IC。4m。,,。1.3COD、BOD5、pH、SS、MLSS、MLVSS、VFA,《》()。22.1,m(VSS)/m(SS)0.50,80%。20kg[MLSS]/m3,ICMLVSS150t。2.2(25℃)、(33~41℃)(55℃),。,,。,。,20℃,35℃。2.36,IC,1,,,。,IC2:①,;②,。(1)[2]:Mn=(1+k)n-1M1(1)ICV,N,:M=NV,(1):Nn=(1+k)n-1N1(2):M1———,kg[COD]/d;n———,d;Mn———n,kg[COD]/d;N1———,kg[COD]/(m3·d);Nn———n,kg[COD]/(m3·d);k———、,,k。,15%,k0.020。,300kg[COD]/d,0.2kg[COD]/(m3·d)。,70m3/d,0.2kg[COD]/(m3·d),COD3000mg/L,pH6.0。,,7,68。COD70%、VFA200mg/L、pH6.6,,20%,,90d,500m3/d。,500m3/d,,。,,IC5.3kg[COD]/(m3·d),、,1~3mm。1781822,,,:IC1ICFig.1StructureofICreactor12345678910111110987654321·27·INDUSTRIALWATER&WASTEWATERVol.41No.3Jun.,20105.6kg[COD]/(m3·d),CODpH,IC,。33.1COD,COD2。2,COD,70%。,。48~120d72%。120d,COD75%。[3]30%COD,,。3.2pHVFA,VFApH。3。3,pH,,pH6,VFA,VFA,。VFA。VFAIC,4,VFACOD,、COD,VFA,,VFAICCOD。4(1)IC,20kg[MLSS]/m3,COD3000mg/L,pH6.0,IC,6。(2)IC,30~35℃,COD12000mg/L,COD75%,,ICCOD、。:[1],.[J].,2008,39(6):51-54.[2].[J].,2002,15(4):40-42.[3],,,.[J].,1997,18(3):82-85.:(1985-),,,,,()0371-63886577()mj19851014@sina.com。2CODFig.2VariationcurvesofinfluentandeffluentCODconcentrationandCODremovalefficiency 20406080100120140160180200/dρ(COD)/(g·L-1)15129630/%1008060402003pHVFAFig.3VariationofpHvalueandmassconcentrationofVFAineffluentwater 20406080100120140160180200/dVFAρ(VFA)/(mg·L-1)20016012080400pHpH1086420pH4CODVFAFig.4MassconcentrationofCODandVFAineffluentwater 20406080100120140160180200/dCODρ(COD)/(g·L-1)43210VFAρ(VFA)/(mg·L-1)20016012080400·28·
本文标题:IC反应器处理洁霉素废水的启动研究马静
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