电化学方法对污水处理的实际应用尚鸣

Vol.34,No.s1,20152015-04-06“”14DZ05115001982－。[e-mail]。。[e-mail]。BlackWaterCOD、、[1]。。400～500L、50L1500L[2]。、、。[3]。,。。、、[4-7]。、。1.2142142.2000923.100036。、、。CODCr≤1200mg／LNH3-N≤80mg／L《》GB8978—1996。。TU992.3B1009-01772015s1-0108-06PilotStudyonFecalSewageTreatmentTechnologyandEquipmentDevelopmentinSpecialEnvironmentShangMing1,XuWei2,WangFan2,ZhanJingjing1,FanJianwei2,LiGuangming2(1.JiangsuJinhuanEnvironmentProtectionEquipmentCo.,Ltd.,Yixing214214,China;2.CollegeofEnvironmentalScienceandEngineering,TongjiUniversity,Shanghai200092,China;3.4thEngineerDesign&ResearchInstituteofGeneralStaffDept.,Beijing100036,China)AbstractThestudydeterminedproperprocessingtechniqueforthefecalsewagetreatmentprobleminclosedorsemi-closedspace.Theparametersofprocesswereoptimizedduringtheconductionofpilottest,andtheefficientintegratedsewagetreatmentplantwasdeveloped.Theeffectsofdosage,flowrateandreactiontimeontheinfluenceofeffluentwaterqualityweredeterminedintheprocessofpilotplant.TheexperimentalresultsshowedthatwhentheinflowdomesticsewagequalitieswereCODCr≤1200mg／L,NH3-N≤80mg／L,theeffluentwaterqualitycouldmeetthesecondaryemissionstandardsoftheNationalIntegratedWastewaterDischargeStandard(GB8978—1996)aftertheprocess.Atthesametime,thedesignedsewagetreatmentequipmenthasthecharac－teristicssuchaslittleoccupiedfield,simpleconstruction,convenienttodisassemblyandeasytomaintain.Keywordsfecalsewagephysical-chemicalmethodclosedspacehigh-efficiencyintegratedsewagetreatmentequipment201534s1108-113WaterPurificationTechnology108——DOI:10.15890/j.cnki.jsjs.2015.s1.029WATERPURIFICATIONTECHNOLOGYVol.34,No.s1,2015May1st,2015[8]。。+COD、、。11.1、、、。+。→→→→→→→→1。0.12m30.62m31.20m3500mm2、35mm500×250mm。1.2、、、、、、1。1.3、、。1.4COD[10][10]HACH2100QpHHACHpHSS[10]。22.1COD。0.25、0.51.0m3／hCOD。2。2CODCOD1Fig.1SchematicDiagramofProcessandEquipment1Tab.1PrimaryWaterQualityofFecalSewageandEffluentStandards[9]200~1200≤150100~300≤25200~1000≤150200~10000≤80200~2000≤57～96～9CODCr／(mg·L-1)／(mg·L-1)SS／(mg·L-1)pH2CODFig.2RemovalRateofCODatDifferentWastewaterFlowRates10008006004002000CODCr／(mg·L-1)0.25m3／h0.5m3／h1.0m3／h109——Vol.34,No.s1,2015。14~16h。1.0m3／h＜1.0h。0.5m3／h。2.22.2.1、PAC。CODPAC。23。23CODCr＜1000mg／LPACCODCODCr＜400mg／L。PAC50%～60%COD70%～80%85%。CODCr750mg／L4。40。CODCr750mg／L。Polyacry－lamidePAM。PAMCOD。PAM3mg／L。5。2CODmg·L-1Tab.2RemovalRateofCODinSomePilot-ScaleSewageTreatmentTests3007009008007009001000100012001000600480480600500480600480480480373.2546.0753.2827.4870.7950.31058.01152.21188.81199.3146.2280.1383.2395.1419.3403.8489.5517.4480.6527.380.8154.0212.3235.1237.8283.5270.6292.0281.1299.268.387.1112.5126.7140.9139.5146.0150.0141.1142.460.492.7101.0117.5133.7123.1131.4138.6134.8134.112345678910PACNaClOCODCrCODCrCODCrCODCrCODCr4CODCr750mg／LFig.4TheOperationEffectofWastewaterSampleofCOD=750mg／L3CODFig.3RemovalRateofCODinSomePilot-ScaleTests9008007006005004003002001000CODCr／(mg·L-1).110——WATERPURIFICATIONTECHNOLOGYVol.34,No.s1,2015May1st,20155PAMPAM。PAMPAMCOD。5bPAMPAM、PAM、PAM、、[11]。2.2.2。330.5h20%COD250%~60%2.5h2.5~3h。20minCOD120minCODHClOCl-O2HClO=2HCl+O2↑20~30min。2.2.3[12,13]。。15%。。200mL2、4、6、8、10mL10%6。aCODCr950mg／L3CODmg·L-1Tab.3ChangesofCODValueinEachStageatDifferentTimebCODCr1450mg／L5PAMCODFig.5ComparisonofCODRemovalEfficiencybeforeandafterAddingPAM10008006004002000CODCr／(mg·L-1)PAMPAM16001400120010008006004002000CODCr／(mg·L-1)PAMPAM373.2546.0753.2827.4870.7950.31058.01188.8298.7444.7632.4667.9689.4713.0752.8936.9150.5283.8385.3394.2416.9405.5492.8477.7146.2280.1383.2395.1419.3403.8489.5480.690.2176.8250.9263.4276.0311.6326.9329.381.7155.9217.7233.5238.1286.1271.3284.780.8154.0212.3232.1237.8283.5270.6281.10.5h2.5h3h20min30min2h111——Vol.34,No.s1,20156。。8mL70%。+。2.32.3.1CODCr＜1000mg／LPAC—。、、。。447。2.3.2CODCr5001000mg／L。5。5CODCr＜1000mg／L25020015010050SVI／(mL·g-1)0246810／mL6SVIFig.6InfluenceofDosingQuantityofNaClOontheSVIofSludge4Tab.4OptimizedParametersofEachUnitinthePilotTest0.5m3／h14.4min2.5~3.0h20~30min500mm7mmFig.7StructureandSizeofSamplePrototype.112——WATERPURIFICATIONTECHNOLOGYVol.34,No.s1,2015May1st,201580[J].,2007,23(3):44-48.42,.[J].,1998,24(012):6-9.43,,,.ORP[J].,2006,32(012):1093-1096.44FangQ,WeiCH,ZhangCS,etal.TheOrpandPhProfilesDuringSimultaneousNitrificationandDenitrificationofLowCarbonMunicipalWastewater[J].InternationalJournalofEnvi－ronmentandPollution,2009,37(1):97-112.45ZhaoH,MavinicD,OldhamW,etal.ControllingFactorsforSi－multaneousNitrificationandDenitrificationinaTwo-StageIn－termittentAerationProcessTreatingDomesticSewage[J].WaterResearch,1999,33(4):961-970.46FuerhackerM,BauerH,EllingerR,etal.ApproachforaNovelControlStrategyforSimultaneousNitrification/DenitrificationinActivatedSludgeReactors[J].WaterResearch,2000,34(9):2499-2506.47,.[J].:,2003,28(006):91-95.48,,,.[J].,2009,16(003):41-44.49,.[J].,2002,19(001):12-15.《》GB8978—1996。31、《》。2。330。1,.[J].,2002,(6):18-19.2FanYaobo,LiGang.Treatmentandreuseoftoiletwastewaterbyanairliftexternalcirculationmembranebioreactor[J].ProcessBiochemistry,2006,41:1364-1370.3.[