城镇污水处理厂生化系统运行脱氮除磷流程研究朱家伟

201811[1]。22000、50%[2]。、GB18918－2002A[34]。A2/O、。11.1A2/O、4×104m3·d-1《》GB18918-2002A11。。、、55%45%。(226006)A-A-ONH3-N0.5mg·L-1TP0.3mg·L-1GB18918-2002A。A-A-OX703AStudyprocessofnitrogenandphosphorusremovalinbiochemicalsystemofWWTPZHUJia-wei(PacificWaterTreatmentEngineeringCo.,Ltd.,Nantong226006,China)Abstract:ThroughtheexperimentstudyofasewageplantinLin'an,thecoreprocessofitsnitrogenandphos－phorusremovaltreatmentisreversedA-A-Oprocess.Bygoodoperationandmanagement,throughbiologicalnitro－genremovalprocess,theeffluentNH3-Nconcentrationcanbestabilizedbelow0.5mg·L-1,theeffluentTPwassta－bleandbellowed0.3mg·L-1,wasawaybelowthefirstgradeAstandardof“UrbanSewageTreatmentPlantPollu－tantDischargeStandard”(GB18918-2002)．Keywords:reversedA-A-OdenitrificationandphosphorusremovalammonianitrogentotalphosphorusDOI10.16247/j.cnki.23-1171/tq.201811372018-09-281982-2005。Sum278No.11ChemicalEngineer2018111、mg·L-1Tab.1ConcentrationofmainpollutantsineffluentandeffluentinWWTPCODBOD5NH3-NTNTP28083.726.629.03.1927.21.650.085.140.18201811COD500mg·L-1。50%~100%50%~70%100%~200%30%~50%。。。BOD5、[5-7]。1.2、TP、NH3-N、3-NO-N-2NO-N。22.11h5h2。,3-NO-N-2NO-NN23-NO-N。。。N2[8,9]。2.21h5h3。2Fig.2Variationofpollutantconcentrationinanoxicpond1098765432100123452523211917151311975/h、、/mg·L-1NH3-N/mg·L-11A2/OFig.1FlowchartofinvertedA2/OprocessinaWWTP200%A2OPACPAM100%38201811P3。0.45mg·L-17.5mg·L-1。2.2mg·L-10.25mg·L-1。BOD。NH3-N、[10]。2.31h5h4。NH3-N10.5mg·L-10.18mg·L-1。-2NO3-NO1.1mg·L-13.1mg·L-1。TP5.45mg·L-10.22mg·L-190%。[11]。31A2/ONH3-N0.5mg·L-1。NH3-N0.5mg·L-1ANH3-N。2TP0.30mg·L-1。TP0.3mg·L-1A0.5mg·L-140%。TP0.50mg·L-1。TP。1,,,.J.,2014,3:5-10.2,.J.,2014,2:25-28.3,.、J.,2012,9:15-18.4,.J.,2010,8:33-36.5,,,.A2/OJ.,2007,6:69-71.6,,,.J.,2007,14:6-11.7,,,.A2/OAJ.,2011,844-51.8.J.,2011,279:9-12.9,,,.A2/OJ.,2007,206:109-111.10,,,.J.,2007,2316:25-29.11,,,.J.,2009,356:29-34.1098765432100123452523211917151311975/h、、/mg·L-1NH3-N/mg·L-13Fig.3Variationofpollutantconcentrationinanaerobicpond10987654321014121086420012345NH3-N/mg·L-1、、/mg·L-1/h4Fig.4Variationofpollutantconcentrationinaerobicpond39