IC反应器处理马铃薯淀粉生产废水的试验研究吕建国

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INDUSTRIALWATER&WASTEWATERVol.41No.3Jun.,2010IC1,2,1(1.,730020;2.,730020),1t20t。,。,[1-2],IC。IC,、[3]。2006,,IC-MBR。11.1IC,,,300mm,1000mm,70L,66.4L,3。(15~25℃),,。、。IC1。1.2,。1。1.3ICCODIC,10%~20%IC。、、HRT,HRT,:(2GS063-A44-015):2010-02-08;:2010-03-23:-IC-MBR,IC。,,COD6000~9000mg/L、HRT5h、23.62kg[COD]/(m3·d),ICCOD91.43%。。:;IC;;:X792.031:A:%1009-2455(2010)03-0023-03TreatmentofwastewaterfrompotatostarchproductionbyICreactorLVJian-guo1,2,ZHANGMing-xia1(1.GansuAcademyofMembraneScienceandTechnology,Lanzhou730020,China;2.GansuResearchCenterofMembraneSeparationTechnology,Lanzhou730020,China)Abstract:UF-IC-MBRprocesswasusedtotreatwastewaterfrompotatostarchproduction,theoperationparametersofICreactortreatingthesaidkindofwastewaterweremainlystudied.Theresultsshowedthat,undernormaltemperature,whentheinfluentCODmassconcentrationwas6000-9000mg/L,theHRTwas5h,thevolumeloadingwas23.62kg[COD]/(m3·d),theremovalrateofCODbytheICreactorwas91.43%.Itcouldbeseenthat,usingthesaidprocesstotreatwastewaterfrompotatostarchproduction,thequalityoftheeffluentwatercouldmeetthereusestandard.Keywords:wastewaterfrompotatostarchproduction;ICreactor;ultrafiltration;membranebioreactor·23·INDUSTRIALWATER&WASTEWATERVol.41No.3Jun.,2010HRT,COD,IC。1.4COD;SS;;pHpH。22.1ICUASB,20L,MLSS19000mg/L。IC,,24h,。,。IC2。2,,COD,1.3kg[COD]/(m3·d)6.2kg[COD]/(m3·d),COD80%,COD。,10,COD75.6%,,,,15。,14.5kg[COD]/(m3·d),,80%。,pH,7,。2.2ICCOD3。3,10%~20%,。10,,;15,34.73kg[COD]/(m3·d),COD,COD,pH,;41.82kg[COD]/(m3·d),COD70%,pH6.5,COD2372.8mg/L,,,。,IC5d,41.82kg[COD]/(m3·d),34.73kg[COD]/(m3·d)。2.3HRTCODIC,HRT。,1ICFig.1StructureofICreactor!1Tab.1Qualityofrawwaterandeffluentwaterfromultrafiltrationρ(COD)/(g·L-1)/NTUρ()/(g·L-1)ρ(SS)/(mg·L-1)1.3~18100~4005~65000~100006~96~102~360~802ICFig.2ConditionofICreactorinstart-upstage  0510152025/dCOD/%1009080706050/(kg[COD]·m-3·d-1)18151296303CODFig.3EffectofOLRonCODremoval510152025/dCOD/%100806040200/(kg[COD]·m-3·d-1)50403020100·24·,:IC,10、22、34kg[COD]/(m3·d)、、3,COD,HRT。HRTCOD4。4,HRT2h,、COD76.6%64%。5h3,、、,HRT5h。2.4ICHRT,5h,COD,COD,5。5,,,23.62kg[COD]/(m3·d),COD91.43%。,23.62kg[COD]/(m3·d)。2.5ICCODHRT5h,23.62kg[COD]/(m3·d),IC6。6,COD,COD90%,COD600~900mg/L,。2.6MBRMBR,1,0.26m2,IC,COD600~900mg/L。MBR13min,2min,。MBRHRT8h,2,pH7.2,3NTU,《》(GB/T18920—2002)。3IC,,。,ICCOD90%,。41.82kg[COD]/(m3·d)。,HRT5h,23.62kg[COD]/(m3·d),COD91.43%。-IC-MBR,。:[1],,.[J].,2004,25(S0):134-137.[2],,,.[J].,1998,18(4):442-444.[3],,.PTA[J].,2009,40(1):80-83.:(1956-),,,,,()0931-4681274()Lvjianguo96@163.com。4HRTCODFig.4EffectofHRTonCODremoval024681012/hCOD/%908070605CODOLRFig.5ChangesofremovalrateofCODwithOLR246810121416/COD/%100806040200/(kg[COD]·m-3·d-1)504030201006ICCODFig.6EffectofICreactoronCODremoval1234567/ρ(COD)/(g·L-1)1086420/%100959085802MBRTab.2QualityofeffluentwaterfromMBRρ(BOD5)ρ(COD)ρ()ρ()ρ(SS)6.820865.360~80mg·L-1·25·

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