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:2004-05-27:(1964-),,,。SBREmvironmentalTreatmentofPapermakingWastewaterWithSBRProcess于晓彩 贾颂今 徐 微(沈阳化工学院 沈阳 110142) 采用SBR法处理造纸废水,考察了SBR法处理造纸废水的效果,以及进水方式、pH值、曝气时间、沉降时间等条件对处理效果的影响,结果表明pH值为6.5~7.5、曝气时间为8h、沉降时间为2h、进水COD浓度为400~1400mg/L时,COD的去除率可达到61.6~70.3%。色度及悬浮物的去除率分别可以达到78.9%~97.5%。 SBR CODAbstract ThispaperstudiedtheenvironmentaltreatmentofpapermakingwastewaterwithSBRprocess,whichincludedtreatmenteffectbychanginginputstyle,pH,aerationtimeandsedimentationtime.TheresultsshowedthatundertheexperimentalconditionofpH6.5~7.5,aerationtime8h,sedimentationtime2h,theremovalrateofCOD,colorindexandSScanreach61.6~70.3%,78.9~97.5%,respectively.Keywords SBR PapermakingWastewater Aeration COD SBR(,SequencingBatchReactor)。〔1〕。SBR、、、、、,、〔2〕。,〔3〕。SBR、,、COD〔4〕。SBR,SBR,、pH、、、COD,,。1 1.1 SBRPVC,120L,66L。,1。1. 2. 3. 4.() 5.SBR6. 7. 8. 9.1 SBR5,,5,。SBR、—26— 30 126 200412,、、、、。1.2 ,1:1 /mg.L-1CODBOD5SSpH400~1400122~427340~12005.65~6.601.3 。SBR、,,〔5〕,10d。,,15d,,15%~20%。COD850mg/L,68%,。2 2.1 ,SBR:、、〔6〕。、,,2。2 COD%68.7451.4357.252,COD。。2.2 ,。COD846mg/L,COD,2。7~9h,COD67%,COD,8h。2 (h)2.3 pHpH,pH6~9〔4〕,pH5.65~6.60,、pH,COD1069mg/L,pH,3。3 pH 3,pH7。pH7,,。pH6.5~7.5,。2.4 。COD,SBR,4。4 —27—SBR 4,,COD,SBR。2.5 3。3 /h0.58.0、2.00.150.3515d,。COD5。5 COD SBR4。4 SBR /mg·L-1CODBOD(g/L) 8463370.2489250271120.006348(%)67.996.497.581.8 4,SBR,,。3 (1)SBR:0.5h、8h、2h、0.15h、0.35h、11h。(2)SBRpH6.5~7.5。SBR,。(3)SBR。COD400~1400gm/L,COD61.56%~70.23%。78.3%~97.5%。 1.Imura,M.,Advancedtreatmentofdomesticwastewaterusingsequencinbatchreactoractivatedsludgeprocess.Wat.Sci.Tech.1993,28(10):267~274.2.DaeSungLee,JongMoonPark.Neuralnetworkmodelingforon-lineestimationofnutrientdynamicsinasequentially-operatedbatchreactor.J.Biotech.1999,75:229~239.3.,,.SBR..1999,25(2):122~1244.,.—.:,1999,157~226.5...:,1999,158~1636.,..:,2001,80~81.—28— 30 126 200412
本文标题:SBR法处理制浆造纸废水的研究
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