改良型Carrousel2000氧化沟生物脱氮除磷效果分析吴代顺

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,(,350300):((2016H0014),、、,Carrousel[1-2]。2090,,。、:Carrousel2000,,,。:TN、TP。DO2~5mg/L,,2~5,,NO3--N,,。,,。:;;;:X703.1;X505:A:1009-2455(2018)02-0015-04AnalysisonbiologicalnitrogenandphosphorusremovalperformanceofmodifiedCarrousel2000oxidationditchWUDai-shun,CHENXiao-ling(SchoolofOceanScienceandBiochemistryEngineering,FuqingBranchofFujianNormalUniversity,Fuqing350300,China)Abstract:Inordertoinvstigatethebiologicalnitrogenandphosphorusremovalperformanceofmodifiedcarrousel2000oxidationditch,aproposalisputforwardtoguaranteetheeffluentwaterqualityreachingthestandard.Basedontheactualoperationdataandthepollutantsmonitoringofsamplestakenfromdifferentsections,themainfactorsinfluencingnitrogenandphosphorusremovaleffectwereanalyzed.Theresultsshowedthat,theeffluentTNandTPconcentrationofthesaidoxidationditchhadtheriskofexceedingthestandard.IntheoxidationditchwhenthemassconcentrationofDOwas2-5mg/L,thephenomenonofexcessiveaerationoccured.Besides,asthemassratioofcarbontonitrogenintheinfluentwaterwas2-5,thenitrogenremovaleffectofanoxiczonewasaffected,whichcausedhigherNO3--Nconcentrationinsecondarysedimentationtankeffluentandreturnedsludge,andalsoleadtothepoorphosphorusreleaseeffectintheanaerobiczoneandthenaffectedthebiologicalphosphorusremoval.Itwassuggestedtooptimizetheoperationofthesaidsewagetreatmentplantbyadoptingintermittentaerationtechnology,improvingthebiologicalnitrogenandphosphorusremovaleffect,andreducingtheenergyconsumptionandoperatingcostatthesametime.Keywords:oxidationditch;nitrogenandphosphorusremoval;excessiveaeration;intermittentaerationCarrousel2000INDUSTRIALWATER&WASTEWATERVol.49No.2Apr.,2018·15·INDUSTRIALWATER&WASTEWATERVol.49No.2Apr.,20181Fig.1Processflow2Tab.2Processoperatingparameters/(kg[BOD5]·kg-1[MLSS]·d-1)/%/%ρ(MLSS)/(mg·L-1)/h/d0.880200350014.6272DOFig.2DistributionofDOmonitoringpointsinoxidationditch1Tab.1Actualinfluentandeffluentwaterqualityρ(CODCr)/(mg·L-1)ρ(NH3-N)/(mg·L-1)ρ(TN)/(mg·L-1)ρ(TP)/(mg·L-1)90~12015~2826~591.86~3.2516~250.10~0.6315~280.29~1.44≤60≤8(15)≤20≤14#1#2#3#、、,[3]。Carrousel2000,,,。11.12.0t/d,4.0t/d,Carrousel2000,1。,。,。,,,,。。1。GB18918—2002《》B。1.22,6100m3,7.2m,3.6m,1m3/d,,。2。1.3Carrousel2000,。9,、、、、。TN、NH3-N、TP、NO3--N。DO,2。1.4TN;NH3-N;TP;NO3--N。220158~20168,NH3-N15~28mg/L,19.65mg/L,0.1~0.63mg/L,。TN26~59mg/L,15~28mg/L,TN。TP1.86~3.25mg/L,0.29~1.44mg/L,。NH3-N、TN、NO3--NTP3。3,TN10mg/L,TN。,TN,NO3--N,。,NH3-NNO3--N,NH3-N,TN。TP,。TP·16·,:Carrousel2000 3Fig.3WaterqualityindexesindifferentsectionsofoxidationditchρB/(mg·L-1)1815129630TNNO3--NNH3-NTP、,。。TP。3TNTP3.1,206,,[3]。2~5,25~60。,,,,PAO[4]。。,TN。,TN、TP,,,,TN,NO3--N,,,TP[5]。3.2NO3--NORP-300mV[6],NO3--N,NO3--N,ORP-60mV,,。,NO3--N:,,,NO3--N,,,m(BOD5)/m(TP),,[6]。[7],NO3--N5.0mg/L,TPNO3--N,,NO3--N5.0mg/L,NO3--N,TPNO3--N。,NO3--N,NO3--N5.65~6.60mg/L,6.03mg/L,1,NO3--N,。,,NO3--N,[8-9]。3.3DODO。DO,DO2mg/L,3#DO5.6mg/L。,,。1#DO2.3mg/L,DO,DO,TN。,,DO0.2mg/L;DO0.5mg/L[6];,DO,。DO0.5mg/L,DO,,DO,NO3--N,NO3--N,()[9]。,,NH3-N1~3mg/L,,[10-11]。,,TN·17·INDUSTRIALWATER&WASTEWATERVol.49No.2Apr.,2018[41],,.[J].,2012,6(3):705-713.[42],.[J].,2012,43(2):25-29.[43],,,.[J].,2013,33(5):398-401.[44],,,.-[J].,2012,38(9):64-66.[45],,,.[J].,2009,35(9):192-193.[46],,,.[J].,2011,49(5):26-29.[47],,.Fenton-[J].,2010,12(2):1-3.[48],,,.PFSCa(ClO)2[J].,2016,36(2):55-58.[49],,,.-[J].,2011,42(8):83-87.[50]LIJ,WUJ,SUNH,etal.Advancedtreatmentofbiologicallytreatedcokingwastewaterbymembranedistillationcoupledwithpre-coagulation[J].Desalination,2016,380:43-51.[51],,.-[J].,2014,41(7):163-170.[52],.[J].,2011,42(2):35-37.[53],.[J].,2011,34(10):65-69.[54]MIELCZAREKK,BOHDZIEWICZJ,KWARCIAKKOZ覵OWSKAA.Cokingplantwastewatertreatmentinintegratedsystemscom-biningvolumecoagulationandadvancedoxidationwithpressuremembranetechniques[J].InternationalJournalofEngineeringTrends&Technology,2011,4(2):937-938.:(1993-),,,,,()1219136107@qq.com;:(1986-),,,,,,()hfsun@sxu.edu.cn。:2017-11-07():(1976-),,,,,,()765102712@qq.com。:2018-02-11()。4,,DO,,,,。,,,,DO,,,。:[1],,,.Carrousel[J].,2017,17(1):162-169.[2],,,.Carrousel[J].,2016,47(6):12-16.[3].[D].:,2016.[4],,,.A2/O[J].,2017,33(7):89-93.[5],,,.[J].,2013,31(5):127-131.[6],.[M].:,1998:69-69.[7],,,.[J].,2017,37(3):989-997.[8],,.A-A2/O[J].,2016,32(19):36-39.[9],,,.Carrousel[J].,2016,32(23):122-126.[10],,,.[J].,2009,35(9):34-38.[11],,,.Carrousel[J].,2012,43(2):50-52.(10)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!·18·

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