地埋式一体化AO接触氧化工艺处理生活污水工程实例朱阳光

2012。800。CODNH3-N、TP。1000119m3/d24h。CODNH3-N、TP。。142m3/d10、14－16、20－21。11。CJ343－2010A[1]。AO[2-3]。PLC1。SS。AO。COD[4]。NH3-N、215009AO。、。、CODNH3-N、TP100mg/L25、3mg/L。。AOX703.1B1000-3770(2017)08-0134-0052016-10-051991－、[e-mail]@163.com119142261610129300780.132130.151Tab.1Designinfluentandeffluentvolumeandquality/(m3·d-1)COD/(mg·L-1)ρ(NH3-N)/(mg·L-1)ρ(TP)/(mg·L-1)1Fig.1Technologicalprocessforsewagetreatment43820178Vol.43No.8Aug.,2017DOI:10.16796/j.cnki.1000-3770.2017.08.030134[5-6]。。。。1。22.11。16.0m×3.0m×2.0mHRT=7.2h。211qV=10m3/hH=15mDPK10.50.15.5.0DP=1.5kW。2。16.0m×3.0m×2.0mHRT=7.2h。211qV=10m3/hH=15mDPK10.50.15.5.0DP=1.5kW。3。L=5.1m、准2.6m26.2m3HRT=5.3h。18mm211qV=10m3/hH=15mDPK10.50.15.5.0DP=1.5kW11.0m3/minHC-50SP=1.5kW。2.21A。准2.6m×3.7m18.6m3HRT=5.5h。2.0m。2B。准2.6m×1.9m9.3m3HRT=5.5h。2.0m。3A。准2.6m×4.7m23.8m3HRT=7.0h12:1。2.0m1DN40U-PVC。4B。准2.6m×2.5m12.4m3HRT=7.0h12:1。2.0m1DN40U-PVC。2111.5m3/minHC-60SP=2.2kWA、B。2.31A。准2.6m×2.2m11.38m3HRT=3.7h。211qV=10m3/hH=15mDPK10.50.15.5.0DP=1.5kW。2B。准2.6m×1.2m6.2m3HRT=3.7h。211qV=5m3/hH=15mDPK10.50.15.5.0DP=1.5kW。3。准2.6m×8.4m44.2m3。211qV=20m3/hH=15mDPK10.80.22.5.0DP=3.7kW2111.0m3/minHC-50SP=1.5kW。2.4。准2.6m×2.1m10.9m3。0.0375m3/d1。33.1AO20159CODNH3-N、TP2～4。2～4COD200mg/L1NH3-N11202CODFig.2CODremovaleffectofmixedeffluent02040608010012002004006008001,000020406080100
/%t/d
COD/mgL3NH3-NFig.3NH3-Nremovaleffectofmixedeffluentρ(NH3-N)ρ(NH3-N)ρ(NH3-N)/(mg·L-1)020406080100120020406080100120-40-20020406080100
/%t/d
AO1355937.8mg/L29.3mg/L-29.1%。NH3-N29.1%AO。TP1217865.7mg/L1。121988TP4.3%AO。COD、NH3-NTP1。、AO。3.2、A、B5～7。51120、121078、121584、121685、1217ACOD60%CODB。B1215、1216COD18.7%、33.4%。6A、BNH3-N1120-60.8%、-48.2%NH3-N。A1220NH3-N20.7%。1215－1217NH3-N70%。B1215NH3-N2.7%1220、1216、1217NH3-N40%。AONH3-N1112NH3-NBNH3-NA。7AB1120、1215TP34.6%、5.0%3.6%、10.8%TPBTPA。44.1AO、4TPFig.4TPremovaleffectofmixedeffluentρ(TP)ρ(TP)ρ(TP)/(mg·L-1)020406080100120024681012020406080100
/%t/d
5CODFig.5CODremovaleffectofbiochemicaltankeffluent55606570758085900100200300400500600020406080100
COD/(mgL)t/d
/%6NH3-NFig.6NH3-Nremovaleffectofbiochemicaltankeffluentρ(NH3-N)ρ(NH3-N)/(mg·L-1)5560657075808590010203040506070-100-60-202060100
t/d
/%7TPFig.7TPremovaleffectofbiochemicaltankeffluentρ(TP)/(mg·L-1)ρ(TP)556065707580859002468101214020406080100
t/d
/%438136CO2[7]。NH3-NNO3-、NO2-。3、4。RCOOH+CO2+NH310.021C5H7NO2+1.041H2O+1.88H2CO3+0.98NO3-2NO3-→NO2-→NH2OH→NH3-N3NO3-→NO2-→N2O→N2↑。41120B。B8。BBSV20%BBBDO。NO3-、NO2-NH3-NBNH3-N[8]。BMLSSBNH3-N。BB。TP。AA。AANH3-N。AMLSSNH3-NB。ATPB。BA。4.21112A1B5～7d。8BB。B。9②①③。A224hA。B。4.31。20cm×10cm。B。BB。、NH3-N→RCHNH2COOH+O2→NH4++1.83O2+1.98HCO3-8BFig.8SectionalviewofbiochemicaltankB9Fig.9PrecipitationtankplanAO137。2。10。NH3-N。。54039600m3/a0.83/m3。。28.3kW5.1kW0.81/m3。0.2/m3。PLC。6、。MLSS。。AO、。PLC。、。[1]:CJ343－2010[S].[2].[J].,2010,26(20):113-115.[3],,.-[J].,2013,39(1):125-128.[4],,,.[J].,2006,32(16):88-90.[5],,,.[J].,2011,27(19):6-9.[6],,,.[J].,2008,24(1):30-34.[7].[M].:,2013:61-64.[8],,,.[M].:,2002:72-103.10Fig.10SchematicdiagramofairliftingunitProjectCaseofDomesticSewageTreatmentbyBuriedIntegratedAOContactOxidationTechnologyZHUYangguang,YANGJie,QIAOMengmeng(SchoolofEnvironmentalScienceandEngineering,SuzhouUniversityofScienceandTechnology,Suzhou215009,China)Abstract:BuriedintegratedAOcontactoxidationprocesswasusedtotreatdomesticsewageinacertainplant,thetreatmenteffectofwaterqualityduringthetreatmentprocesswasanalyzed.Severalproblemssuchasabnormalremovalofnitrogenandphosphorus,sedimentreleasinginprecipitationtankwerediscussed.Thereasonofthatwasthestrengthofbafflesinpurificationtankwasfailedtoreinforceadequatelyduringproductionprocess,andthegapwasappearedatthebottomofbaffles.Thesedimentaccumulatedforalong-terminprecipitationtank,andanaerobicdenitrificationwaseasilyoccurredwhichtriggeredsedimentreleasing.Thecorrespondingmeasureshadbeenadoptsuchasrisingtheheightofoverflowportinrawwatertank,addingairliftunitinprecipitationtank.TheofCODandmassconcentrationofNH3-N,TPinlaterprocesseffluentwerebelow100and25,3mg/Lrespectively,whichmettheentrancerequirementsofsewageplantstably.Andthephenomenonofsedimentreleasinghadbeengreatlyimproved.Somepracticaloperationexperiencescouldbeprovidedtopromotethistechnologyindomesticsewagetreatment.Keywords:AOcontactoxidation;buriedintegrated;nitrogenandphosphorousremoval;sedimentreleasing;domesticsewage438138