14丁二醇生产废水处理工艺试验研究

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INDUSTRIALWATER&WASTEWATERVol.43No.2Apr.,20121,4-1,2,1,1,1,1,1(1.,550002;2.,401331)1,4-,、、、、,、、,。1,4-,[1]SBR1-4、3,CODCr4502.3mg/L,CODCr176.2mg/L;[2]UASB1,4-,CODCr4000mg/L,70%;[3]SBR1,4-,CODCr2597mg/L,24h1000mg/L。1,4-,GB8978—1996《》。1,4-,---A/O/MBBR,1,4-:---A/O/MBBR1,4-。,CODCr9010mg/L,2024mg/L,CODCr32~59mg/L,1mg/L。CODCr99.34%,99.95%。,GB8978—1996《》。:1,4-;;;;;A/O/MBBR:TU991.22;X703.5:A:%1009-2455(2012)02-0034-04Anexperimentalstudyontreatmentofwastewaterfrom1,4-butanediolproductionSHANGKai1,YANGFan2,JIANGShan1,LINGuan-zhen1,LIYun1,ZHOUHuan-yong1,ZHOUShi-qiang1(1.GuizhouGreenEnvironmentalProtectionEquipmentandEngineeringCo.,Ltd.,Guiyang550002,China;2.DepartmentofUrbanConstructionandEnvironmentalEngineering,ChongqingUniversity,Chongqing401331,China)Abstract:Dissolvedairflotation-ironcarbonreactionpool-highefficientanaerobicreactor-A/O/MBBRprocesswasusedtotreathighconcentrationorganicwastewaterfrom1,4-butanediolproduction.Theresultsofthepilotscaletestshowedthat,whenthemassconcentrationofCODCrandHCHOintheinfluentwaterwere9010and2024mg/Lrespectively,themassconcentrationofCODCrintheeffluentwaterwas32~59mg/LandthemassconcentrationofHCHOwasnotabove1mg/L.TheaverageremovalratesofCODCrandHCHOreached99.34%and99.95%respectively.Theeffluentwaterqualitymetthespecificationforgrade1inGB8978—1996IntegratedWastewaterDischargeStandard.Keywords:wastewaterfrom1,4-butanediolproduction;highconcentrationorganicchemicalwastewater;HCHO;airflotation;high-efficientanaerobicreactor;A/O/MBBR·34·1Tab.1WastewaterqualityofthetestpHρ(CODCr)/(mg·L-1)ρ()/(mg·L-1)ρ(SS)/(mg·L-1)6~126508~90101220~2024124~2601Fig.1ProcessflowofpilotscaletestA/O/MBBRPACHClPAMNaOH3SSFig.3EffectofdissolvedairflotationonSSremoval24681012/dρ(SS)/(mg·L-1)300250200150100500SS/%10090807060502CODCrFig.2EffectofdissolvedairflotationonCODCrremoval024681012/d1000090008000700060005000CODCr/%15129630ρ(CODCr)/(mg·L-1),。11.1,,,。1。1.21,、、、A/O/MBBR。PAC、PAM、、。1m3/h。2m32;1m3;2m3,1∶1;1.5m3,;46m3,2;A/O,A4m3,O16m3;MBBR4m3;2m3,。1.3CODCr;SS;pH;;DO。22.1201012,、。4t80%,A/O/MBBR1t,-8℃,A/O/MBBR,38℃,A/O/MBBR20℃。,20d,A/OMLSS2500mg/L,SV3025%,30d,MBBR。,90d,,MLSS50000mg/L,MBBR,80%,。2.2CODCr、SS,PAC、PAM,SS。15min,1h,30%。90d,、,CODCr、SS。CODCr、SS2、3。2、3,CODCr,4%,SS65%,1,4-CODCr。2.3CODCr、,、、,,,:1,4-·35·INDUSTRIALWATER&WASTEWATERVol.43No.2Apr.,20125Fig.5EffectofFe/CreactionpoolonHCHOremoval24681012/dρ()/(mg·L-1)25002000150010005000/%10090807060504CODCrFig.4EffectofFe/CreactionpoolonCODCrremoval024681012/dρ(CODCr)/(mg·L-1)1000090008000700060005000CODCr/%50403020106CODCrFig.6Effectofhigh-efficientanaerobicreactoronCODCrremoval24681012/dρ(CODCr)/(mg·L-1)80006000400020000CODCr/%10095908580757A/O/MBBRCODCrFig.7EffectofA/O/MBBRonCODCrremoval024681012/dρ(CODCr)/(mg·L-1)1700150013001100900700CODCr/%10095908580,,,[4-6]。[7]-SBR,220mg/L。pH2~4,4∶1,1∶1,2h,CODCr、4、5。4、5,CODCr20.41%,97.75%。CODCr,,,,,。2.4CODCr,UASB,,,。CODCr,,1∶1,46h,3kg[CODCr]/(m3·d)。CODCr6。6,CODCr5065~6872mg/L,86%。,,。2.5A/O/MBBRCODCrMBBR、、、,[8],,A/O/MBBR,,、、、、、、[8]。A/O/MBBR15~30℃,ADO0.5mg/L,OMBBRDO2mg/L。CODCr7。7,CODCr753~1070mg/L,,CODCr97%。CODCr1070mg/L,。A/O/·36·:[1],,,.[J].,2010,28(3):56-57.[2],,.[J].,2000,26(6):35-37.[3],.[J].,2001,32(3):8-10.[4],,.[J].,2002,26(3):43-44.[5]CoceroMJ,AlonsoE,SanzMT,etal.Supercriticalwateroxidationprocessunderenergeticallyself-sufficientoperation[J].JournalofSupercriticalFluids,2002,24(1):37-46.[6]BermejoMD,CanteroF,CoceroMJ.Supercriticalwateroxidationoffoodswithhighammoniaconcentrations:Pilotplantexperimentalresultsandmodeling[J].ChemicalEngineeringJounal,2008,137(3):542-549.[7].-[M].:,2001.506-509.:(1986-),,,,,()zq9516888@sina.com。:2012-01-08():(1984-),,,,,,()shangkai-zn@163.com。:2012-01-13()8CODCrFig.8RemovalrateofCODCrbythepilotscaletest024681012/dρ(CODCr)/(mg·L-1)1000090008000700060005000CODCr/%10095908580(24)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!MBBRCODCr1~2d,CODCr90%。2.6CODCrCODCr90d,、CODCr12d。8。12d,CODCr9010mg/L,6508mg/L,CODCr59mg/L,32mg/L。,CODCr99.34%,99.95%。3(1)---A/O/MBBR1,4-,,GB8978—1996。(2)、SS,。96.5%,。(3),,。:[1],,.1-4[J].,2006,16(1):26-28.[2],,,.1,4-[J].,2011,40(5):915-917.[3],.SBR[J].,2004,35(1):12-14.[4],,.[J].,2010,41(1):46-49.[5],.[J].,2004,5(3):63-65.[6]Seok-YoungOh,PeiCChiu,ByungJKim,etal.Zero-valentironpretreatmentforenhancingthebiodegradabilityofRDX[J].WaterResearch,2005,39(20):5027-5032.[7],.-SBR[J].,2001,21(10):38-40.[8],,,.A/O+MBBR[J].,2010,36(12):122-126.,,,:1,4-·37·

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