A2OMBBR工艺在城市污水厂升级改造中的应用苏高强

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A2O-MBBR,,,(,214214):863(2012AA063406);2014“”([2014]27)50000m3/d,,。A2O,GB18918—2002《》B。,GB18918—2002A,,。MBBR,[1-2]。MBBR,Broomfield[3]、[4]、[5]、[6]。,,A2O-MBBR,MBBR,。11.11m3/h,,4000mm×2000mm×3000mm。、2.4、4.8、4.4m3。1。:A2O-MBBR,1m3/hA2O-MBBR。,CODCr、NH3-N、TNTP37、0.61、10、0.55mg/L,GB18918—2002《》A,A2O-MBBR。:MBBR;A2O;;:X703.1;X505:A:%1009-2455(2015)03-0015-04ApplicationofA2O-MBBRprocessforupgradingandreconstructionofurbanwastewatertreatmentplantSUGao-qiang,JIANGYong-feng,HUANGDong-hui,ZHAOYong(JiangsuYulongEnvironmentProtectionCo.,Ltd.,Yixing214214,China)Abstract:InordertoverifythefeasibilityoftheapplicationofA2/O-MBBRprocessforupgradingandre-constructionofanurbanwastewatertreatmentplant,a1m3/hpilotscaletestonthestimulantwastewatertreat-mentbyA2/O-MBBRprocesswasinvestigated.Theresultsofthetestshowedthat,theaveragemassconcentra-tionsofCODCr,NH3-N,TNandTPintheeffluentfromthedevicereached37,0.61,10,and0.55mg/Lrespec-tively,whichcouldbasicallymeetthespecificationofgradeAclass1inGB18918—2002DischargeStandardofPollutantsforMunicipalWastewaterTreatmentPlant.Itcoulddrawaconclusionthat,usingA2O-MBBRprocesstoupgradeandreconstructurbanwastewatertreatmentplantwasfeasible.Keywords:MBBR;A2Oprocess;upgradingandreconstruction;urbanwastewatertreatmentplant!!!!!!!!!!!!!!!!!!!!!!!!INDUSTRIALWATER&WASTEWATERVol.46No.3Jun.,2015·15·INDUSTRIALWATER&WASTEWATERVol.46No.3Jun.,2015pHρ(CODCr)/(mg·L-1)ρ(NH3-N)/(mg·L-1)ρ(TN)/(mg·L-1)ρ(TP)/(mg·L-1)6.94~7.15117.0~227.013.11~27.7217.82~30.201.95~3.731Tab.1Influentwaterqualityofthetest2Fig.2Membraneformationprocessoffiller121Fig.1Processflowofpilot-scaletestYL-II,,,25mm,10mm,0.96g/cm3,500m2/m3。20%,10%,22~27℃。1.2,1。1.38~10,3,3。1(1~21);2(22~43);3(44~79)。A2O、2.4、4.8、4.4h。MLSS2000~2400mg/L,80%~90%,150%~230%,15d。1DO1~2mg/L,2DO2~3mg/L。、pHCODCr、NH3-N、TN、TP,。DO。1.4CODCr、NH3-N、TN、TP、MLSS、DO[7]。22.1,[8],。731,24h,,。,,DO1.0mg/L。,DO1.2~1.5mg/L,。820,17d,,、,[9]。2。[10]19d、、,1、。2.2CODCrA2O-MBBRCODCr3。3,CODCr40~88mg/L,55.7mg/L;CODCr,25.0~50.0mg/L,37.0mg/L,GB18918—2002A50mg/L。,CODCr117.0~250.0mg/L,MLSS2000~2400mg/L(3500~4000mg/L),GB18918—2002·16·,,,:A2O-MBBR4NH3-NFig.4NH3-Nremoval5101520253035t/d/%50403020100100806040200ρ(NH3-N)/(mg·L-1)A3CODCrFig.3CODCrremoval5101520253035t/d/%300240180120600100806040200ρ(CODCr)/(mg·L-1)A5TNFig.5TNremoval5101520253035t/d/%806040200806040200ρ(TN)/(mg·L-1)AA,CODCr。20%,,,CODCr[3]。[6]MBBR,CODCr,CODCr40.0~60.0mg/L。2.3NH3-NA2O-MBBRNH3-N4。4,NH3-N0.31~3.51mg/L(,DO,NH3-N)。NH3-N0.18~2.87mg/L,0.61mg/L。NH3-NGB18918—2002A,96%。MLSS2000~2400mg/L,4.4h,,,,,NH3-N[3]。[11],16%40%,28%71%。[12]A2O,NH3-N30.00~70.00mg/L,NH3-N0.30mg/L。2.4TNTN,17.82~34.55mg/L,TN60%TNGB18918—2002A,TN:r=R/(1+R),rTN,R,150%,TN60%。,,50%~60%,150%~230%。TN5。5,1(,,,TN),,TNGB18918—2002A,TN60%,TN10.0mg/L。R200%~310%,TN67%,·17·INDUSTRIALWATER&WASTEWATERVol.46No.3Jun.,20156TPFig.6TPremoval5101520253035t/d/%43210100806040200ρ(TP)/(mg·L-1)ATN60%,、、。,。(4.8h),10%。,,[13]。2.5TPTP6。6,TP0.87mg/L,,65%。TP0.55mg/L,78%。TP,,,。,TP,,TP[10],TPGB18918—2002A,,TP。31m3/hA2O,。、2.4、4.84.4h,50%~60%、150%~230%,CODCr、NH3-N、TNTP37.0、0.6、10.0、0.5mg/L,GB18918—2002A,A2O-MBBR。A2O-MBBRA2O,,,,MBBR,。:[1],,.MBBR[J].,2011,42(3):35-39.[2],.MBBR[J].,2014,45(1):22-26.[3].HYBASTM[J].,2006,22(2):21-25.[4],.HYBASTM[J].,2013,1(6):145-146.[5],,,.[J].,2010,26(8):78-81.[6],,,.MBBR[J].,2010,26(2):71-73.[7],《》.(3)[M].:,1989.[8],,,.[J].,2003,43(1):46-50.[9],,,.SBR/MBBRICEAS[J].,2011,27(19):13-16.[10],,,.[J].,2012,6(12):4553-4558.[11],,,.[J].,2012,28(11):79-81.[12],,.A2/O[J].,2010,41(6):52-54.[13],,,.A2/O[J].,2008,34(12):38-41.:(1985-),,,,,,()020231214@163.com。:2015-04-17()·18·

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