SBR与MAP法联合处理磷酸盐

SBRMAP汤琪1,季铁军2,罗固源3(1.重庆交通大学理学院,重庆400074;2.重庆市万州区城乡建设委员会,重庆404020;3.重庆大学城市建设与环境工程学院,重庆400030):磷酸盐工业废水经磷酸铵镁沉淀法处理后,出水的TP为10.26mg/LTN为67.32mg/L电导率为30000LS/cm探讨了采用SBR法对其进一步处理的可行性采用常规的活性污泥,通过逐步提高废水的含盐量,驯化出了在较高含盐量下仍具有较好活性的活性污泥考察了含盐量和运行周期对去除TNTPCOD的影响结果表明,当沉淀出水和生活污水以1B1混合后,TNTPCOD分别约为507320mg/L,电导率约为15000LS/cm;在运行周期为10h(厌氧:1.5h好氧:4.5h缺氧:2.5h后好氧:0.5h沉淀排水和闲置:1.0h)的条件下,出水TN15mg/LTP1.0mg/LCOD约为22mg/L,对TNTPCOD的去除率分别可达75%86%92%以上:SBR;磷酸铵镁;磷酸盐废水;脱氮除磷:X703:A:1000-4602(2010)23-0006-04:(2009kjc-015);(50378095)CombinedProcessofSBRandMAPforTreatmentofPhosphate-containingIndustrialWastewaterTANGQi1,JITie-jun2,LUOGu-yuan3(1.SchoolofScience,ChongqingJiaotongUniversity,Chongqing400074,China;2.Urban-ruralConstructionCommitteeofWangzhouDistrict,Chongqing404020,China;3.CollegeofUrbanConstructionandEnvironmentalEngineering,ChongqingUniversity,Chongqing400030,China)Abstract:Afterphosphate-containingindustrialwastewateristreatedbymagnesiumammoniumphosphate(MAP)process,theeffluentTP,TNandconductivityare10.26mg/L,67.32mg/Land30000LS/cmrespectively.ThefeasibilityofthetreatmentoftheeffluentbySBRprocessisdiscussed.Commonactivatedsludgeisdomesticatedbyincreasingwastewatersalinity.Thedomesticatedsludgehasgoodactivityathighsalinity.TheeffectsofsalinityandoperationperiodonremovalratesofTN,TPandCODwereinvestigated.Theresultsshowthatwhenthesedimentationeffluentandsewagearemixedataratioof1B1,TN,TP,CODandconductivityare50mg/L,7mg/L,320mg/Land15000LS/cmre-spectively.Whentheoperationperiodis10h(anaerobictimeof1.5h,aerobictimeof4.5h,anoxictimeof2.5h,pos-taerobictimeof0.5h,sedimentation,drainageandidletimeof1.0h),theeffluentTN,TPandCODarelessthan15mg/L,1.0mg/Landabout22mg/L,theremovalratesbeingabove75%,86%and92%respectively.Keywords:SBR;magnesiumammoniumphosphate;phosphate-containingwastewater;n-i#6#第26卷第23期2010年12月中国给水排水CHINAWATER&WASTEWATERVo.l26No.23Dec.2010trogenandphosphorusremoval(MAP),[1],,,MgSO4#7H2ONH4Cl25e200r/min20minpH9.5n(Mg)Bn(P)Bn(N)=1.4B1.11B1.030min,98.69%,TP10.26mg/LTN67.32mg/L30000LS/cm,MAP,(),,,100,[2~6],MAPMAP,SBR,COD1试验材料及方法111SBR,15L,HACHSenslon8DO,1121;,21Tab.1EffluentqualityofMAPprocessPO3-4-P/(mg#L-1)TP/(mg#L-1)NH3-N/(mg#L-1)TN/(mg#L-1)pHMg2+/(mg#L-1)COD/(mg#L-1)/(LS#cm-1)9.1610.2664.1067.329.506.72126300002Tab.2QualityofmunicipalwastewaterPO3-4-P/(mg#L-1)TP/(mg#L-1)NH3-N/(mg#L-1)TN/(mg#L-1)pHCOD/(mg#L-1)/(LS#cm-1)3.04.030357.050033011311311OGO[7],NaCl,CODNaCl,,NaC,l(HClNaOHpH7.0),SRT18~20d,MLSS3000mg/L,0.2~0.4kgCOD/(kgMLSS#d),DO3.0mg/L,20~25e113128h(1.5h3.5h1.5h0.5h1.0h),3000~27000LS/cm,CODTNTP(COD,),681012hCODTNTP33Tab.3OperationconditionofSBRh61.02.51.00.51.081.53.51.50.51.0101.54.52.50.51.0122.05.03.50.51.0#7#汤琪,等:SBR与MAP法联合处理磷酸盐工业废水的效能第26卷第23期114COD:HACHCOD(,AgNO3Cl-),PO3-4-P:,TP:),NH3-N:,TN:),pH:PHS-3S,:DDS-3072结果与讨论211,,,,;,17000LS/cm,COD;30000LS/cm,COD45.26%15000LS/cm,,,,,,,,212,8h,,TNTPCOD,11TNTPCODFig.1RemovalofTN,TPandCODunderdifferentsaltcontents1,3000~15000LS/cmCOD,;21000LS/cm,CODTN,15000LS/cm,TN,,TN;18000LS/cm,TN,24000LS/cm,TN47.34%TP,18000LS/cm,TP;21000LS/cm,TP,24000LS/cm,TP56.21%,,15000LS/cm,TNTPCOD213,1B1(15000LS/cm),681012hTNTPCOD,,TNTPCOD,1012h,SBR,6h,,,,10h21415000LS/cm10h,TNNH3-NTPCOD22TNNH3-NTPCODFig.2VariationofTN,NH3-N,TPandCODinatypicalcycle2,COD#8#第26卷第23期中国给水排水[8]21515000LS/cm10h,10d,,TNNH3-NTPCOD,TNTPCOD75%86%92%,TN15mg/LTP1.0mg/LCOD22mg/L3结论¹,,SBR,TNNH3-NTPCODºSBR10h,1.5h4.5h2.5h0.5h1.0h»15000LS/cmSBR10h,TN15mg/LTP1.0mg/LCOD22mg/L,75%86%92%:[1],.[J].,2008,27(4):558-563.[2]CamposJL,Mosquera-CorralA,SanchezM,etal.Nitrif-icationinsalinewastewaterwithhighammoniaconcentra-tioninanactivatedsludgeunit[J].WaterRes,2002,36(10):2555-2560.[3]DincerAR,KargiF.Saltinhibitionkineticsinnitrifica-tionofsyntheticsalinewastewater[J].EnzymeMicrobTechno,l2001,28(7-8):661-665.[4]IntrasungkhaN,KellerJ,BlackallLL.Biologicalnutrientremovalefficiencyintreatmentofsalinewastewater[J].WaterSciTechno,l1999,39(6):183-190.[5],,,.[J].,2005,6(8):42-45.[6],,,.[J].,2002,22(6):546-550.[7],,,.OGO[J].,2006,26(8):1295-1330.[8],.ERP-SBR[J].,2005,31(1):57-61.:(1970-),,,,,E-mail:[e-mail]:2010-06-10(上接第5页)[18],,.[P].:ZL200820079560.0,2008-12-24.:(1976-),,,,,E-mail:[e-mail]:2010-07-15#9#汤琪,等:SBR与MAP法联合处理磷酸盐工业废水的效能第26卷第23期