AOMBBR组合工艺在炼油废水处理中的应用

--[1-3]。、、、[4]。MBBR[5-11]。MBBR20%、、[12-14]。“、、”COD、。A/O+MBBRCOD、。11.125。24A/O+MBBR。1。1.212。1.3、、120～150m3·h-1。pH6～7、COD220～689mg·L-1A/O+MBBR112331.7300002.7300603.730060--A/O+MBBRCOD、。A/O+MBBR、、、、、、。A/OMBBRCODX742TQ028.8A1000-0770(2010)12-0122-0052010-02-081964－、[e-mail]
 32MBBR
!#$%&’(1Fig.1Flowchartofwastewatertreatmentprocess3612201012TECHNOLOGYOFWATERTREATMENTVol.36No.12Dec.,20101222Tab.2ThemainequipmentsandmaterialsofsewagetreatmentpHAnoxKaldnesK3Φ90HDPEALSL304PPR37cm、JBT700DBY-15LP-3000UPVC260m3Φ6mm8mm≥50%2.5m×2.5m×2m12m3136r·min-15.5kWB/C≈0.22NH4+-N10.8～18.0mg·L-1。、、、≈11mg·L-1、≈11mg·L-1、、、、、、。1.41.4.11。130m3·h-1MBBR3.1g·L-1pH7.23DO2.0mg·L-1MBBR2.5～3.5mg·L-129℃。0.2kg·m-3·d-1CODBOD50.2kg·m-3·h-1、BOD5/P=100pHNa2CO3。1.4.2120～150m-3·h-1MBBRpH7.37.6DOMBBR13.0mg·L-1MBBR23.8mg·L-1MBBR34.5mg·L-1MBBR45.0mg·L-128～35℃0.9。1.51MBBR。3、MBBR。COD[15]NH4+-N[16]。22.1。、、。2.1.1/m/m3/9×1.5×0.26×225×6×2.5×442×38×617.6×4×2.215×3.8×1.810×2×8.130.6×14.8×6.9×2Φ36×7.63Φ10×4.303.4×3.4×4.057.02150095761071686250170031446.81112215226A3F1Tab.1StructuresandparametersofsewagetreatmentA/O+MBBR123。。。5～25dMBBR50kg·d-1、6.5kg·d-1。。25d。MBBRCOD60.0mg·L-1。3、MBBRCOD65.0mg·L-1。2.1.2COD14～36dMBBRCOD2CODCOD500mg·L-1MBBRCOD60mg·L-1。MBBRCOD79.68%。MBBRMBBRCOD。2.22.2.1MBBR、。MBBR105℃3。0.03～0.2mm0.5mm。1m32040911m375%6.7kg。2.2.2CODCOD3COD4。3416dCOD306.1mg·L-1MBBRCOD55.61mg·L-180.88%COD77.51mg·L-174.40%。16dCOD245.7mg·L-1MBBRCOD40.78mg·L-182.59%COD44.54mg·L-13Tab.3Attachedbiomassandvolumeofthefiller/cm30.93790.86450.82560.85980.81080.9060.81560.77040.82190.76670.03190.04890.05520.03790.04410.04364.45.44.55.34.94.9/g4CODFig.4TheremovalefficiencyofCODinwaterthatfromtheMBBRpoolsduringtrialoperation051015202530355560657075808590
/d/%3CODFig.3ThetrendsofCODinwaterthatfromtheMBBRpoolsduringtrialoperation051015202530350100200300400500600COD/mgL
/d2CODFig.2ThetrendsofCODinwaterthatfromtheMBBRpoolsduringbiofilmcolonization101520253035400100200300400500600700COD/mgL
/d361212480.95%。21dCODMBBR。MBBRCOD≤60mg·L-1MBBRCOD10mg·L-1250mg·L-1CODA/O+MBBRCOD。CODMBBRCODMBBRMBBR。2.2.356。5610dMBBR10mg·L-111.03%89.37%10mg·L-1。MBBRMBBR、、。。MBBR[17]。3MBBRCOD81.74%COD300mg·L-1MBBRCOD5%～10%MBBR88.90%。、MBBRMBBRpH=7.5DO3～5mg·L-1SVI=300mL·g-1MBBR20～40d20%A/O+MBBR、、。MBBRMBBRpH、。[1],,.[M].:,2000:2-10.[2].[M].:,1998:33-34.[3],,,.[J].,2006,26(2):23-26.[4],,.MBBR[J].,2007,26(5):97.[5]RustenB,KolkinnO,ΦdegaardH.Movingbedbiofilmreactorsandchemicalprecipitationforhighefficiencytreatmentofwastewaterfromsmallcommunities[J].WaterSciTech.,1997,35(6):71-79.[6],,.MBBR[J].,2005,15(6):336-338.6Fig.6Theremovalefficiencyammonia-NinwaterthatfromtheMBBRpoolsduringtrialoperation051015202530350102030405060708090100
/d/%5Fig.5Thetrendsofammonia-NinwaterthatfromtheMBBRpoolsduringtrialoperation05101520253035048121620

NH-N/mgL/dA/O+MBBR125THESTUDYOFOILREFINERYWASTEWATERTREATMENTBYCOMBINATIONPROCESSOFA/O+MBBRZhangYouxian1,WangJinxiang1,LiShengfeng2,ZhangWenqi3,SuJianping3(1.CollegeofEarthandEnvironmentalScience,LanzhouUniversity,Lanzhou730000,China；2.WastewaterTreatmentPlantofLanzhouPetorchemicalCompany,Lanzhou730060,China；3.LanzhouBulestarFibresCo.,LTD,Lanzhou730060,China)Abstract:Inordertoimprovethetreatmentefficiencyofoilrefinerywastewater,thecombinationprocessofA/OandMBBRisused.Inthisresearch,theremovalrateofCODandammonianitrogenandthecapabilityofresistancetoorganicshockloadsarestudied.TheresultsindicatethatthewaterqualitywhichistreatedbytheprocessofA/O+MBBRisobviouslybetterthanthatoftreatmentbytheprocessofA/O.Thisprocesshasmuchmoremerits,suchasthemoreabilityofdecarbonization、themoreefficiencyofdenitrification、themorestabilityofwaterquality、thelowerexcesssludgeproduction、muchmoreflexiblerun、muchmoresimpleoperationandmanagement、thelowerenergyconsumption,andsoon.Keywords:A/O;MBBR;oilrefiningwastewater;COD;ammonia-N[7],,,.MBBR[J].,2002,20(5):12-15.[8],,.MBBR[J].,2001,27(4):47-50.[9],,.[J].,2002,20(1):19-22.[10],.MBBR[J].,2006,2(1):35-36.[11]RustenB,HemLJ,ΦdegaardH.Nitrificationofmunicipalwastewaterinmoving-bedbiofilmreactors[J].WaterEnviRes.,1995,67:75-86.[12].MBBR[J].,2003,34(3):9-11.[13],.、[J].,2003,29(4):13-15.[14].[J].,2004,24(2):12-15.[15].GB11914-89COD[S].:,1989.[16]GB7479-87[S].[17],.[J].,2004,108(9):20-22.1982、。。、、1.、、。2.、、。。、1.2.12012《》。、、1500200012《》。[e-mail]310012。O03612!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!126