多级接触氧化法在汽车涂装废水处理中的应用朱玉芳

2016－03－3151178089N140306001．1987－1963－．38920179JournalofNortheasternUniversityNaturalScienceVol．38No．9Sep．2017doi10．12068/j．issn．1005－3026．2017．09．02311UdoFienko211.1108192.100044COD．BOD5/COD5＜0.1COD800～1500mg/L．COD8hCOD80%COD500mg/L．．X703A1005－3026201709－1326－05ApplicationoftheMulti-stageContactOxidationMethodinAutomobilePaintingWastewaterTreatmentZHUYu-fang1ZHUTong1UdoFienko2MAYong-guang11.SchoolofMechanicalEngineering＆AutomationNortheasternUniversityShenyang110819China2.BMWBrillianceAutomotiv[e-mail]-stagecontactoxidationsystemwasusedinabench-scaleexperimentstudytotreattheautomobilepaintingwastewaterwhichhaspoorbiodegradabilityandcontainshighconcentrationofCODchemicaloxygendemand．Thewastewaterusedforthisexperimentistheactualpaintingwastewaterwhichhasbeenpretreatedbythephysic-chemicaltreatmentprocessinthepaintshopofsomeautomobilefactoryanditsBOD5/CODislessthan0.1CODmassconcentrationis800～1500mg/L．Theresultsshownthatthemulti-stagecontactoxidationsystemcanefficientlydegradetheCODofthepaintingwastewater．AftertheexperimentalsystemkeepingrunningstablythetotalCODremovalrateismorethan80%withthehydraulicretentiontimeHＲTof8hours．Meanwhilethissystemhasastrongimpactresistancecapacity．TheCODmassconcentrationoffinaltreatedwastewaterislessthan500mg/Lwhichcanreachthefactorydischargerequirementforthepaintshop．Besidesthissystemwithsimplestructurecanefficientlyreducetheexcesssludgeproductionandcankeeprunningstablywhichcangreatlyreducethetreatmentcostforthepaintingwastewater．Keywordsmulti-stagecontactoxidationpaintingwastewaterchemicaloxygendemandexcesssludgehydraulicretentiontime、、、．、1－3．．BOD5/COD50.14．－——．．－－－－．、、、．、、COD．COD800～1500mg/L．COD《DB8978—1996》COD500mg/L．、《DB8978—1996》．1．1．680L．．5．1Fig.1Experimentsystemofmulti-stagecontactoxidation22．2．．COD．BOD5/COD0.1．1．2Fig.2Processflowchartofpaintingwastewatertreatment1Table1QualityofwaterusedforexperimentpHcCODmg·L－1cBODmg·L－1cTPmg·L－1cTNmg·L－1cNH3—Nmg·L－1cSSmg·L－1cZnmg·L－1cNimg·L－16.5～8.5800～150050～1000.3～0.90～201～1050～1000.01～0.080.01～0.2TPTNSS．723193MLSS3000mg/L．25L30L25L．2d．80L/d240L/dHＲT24h8h．30d．CODCOD500mg/L．4COD．HＲT．4.1COD、、．34．3CODCOD500mg/L．CODCOD＞COD＞COD＞COD．COD．COD6－7．4HＲTCODCOD．CODCODCOD．COD8．3HＲTCODFig.3CODvaluecurvesgraphofmulti-stagecontactoxidationsystemateverystageunderconditionofdifferentHＲT4HＲTCODFig.4CODremoverateofthemulti-stagecontactoxidationsystemateverystageunderconditionofdifferentHＲT4.2COD800～1500mg/L．2dCOD0．HＲT2416128hCOD300～500mg/L．HＲTCOD．HＲT．．8231384.35．．、．．5Fig.5Situationsofthestuffinginthemulti-stagecontactoxidationsystema—b—c—．30d5000L0.5kg．1COD．．29．．310－11．51CODCODHＲT8hCOD80%COD500mg/L．2．．3、、、①②③．．．1TianYPKongSS．Studyonautomobilepainting-wastewatertreatmentwiththeprocesstechnologyofpretreatment-airflotation-SBＲJ．AdvancedMaterialsＲesearch2012550/551/552/5532237－2240．2．J．2001246139－142．HuangChuanLiuYuan-yuanLuoYu．ＲesearchstatusofdyeingwastewatertreatmentJ．JournalofChongqingUniversity2001246139－142．134692319Geophysicists1998710－713．11CaumonGCollon-DrouailletPDeVesludCLCetal．Surface-based3DmodelingofgeologicalstructuresJ．MathematicalGeosciences2009418927－945．12LienhardtP．Topologicalmodelsforboundaryrepresentationacomparisonwithn-dimensionalgeneralizedmapsJ．Computer-AidedDesign199123159－82．13LienhardtP．N-dimensionalgeneralizedcombinatorialmapsandcellularquasi-manifoldsJ．InternationalJournalofComputationalGeometry＆Applications199443275－324．14LevyBMalletJL．CellularmodellinginarbitrarydimensionusinggeneralizedmapsＲ．NancyISA-GOCADInria-Lorraine/CNＲS檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼檼1999．13293ChenCLZhangJALiXPetal．TreatmentofwastewatercomingfrompaintingprocessesapplicationofconventionalandadvancedoxidationtechnologiesJ．OzoneScience＆Engineering20052727279－286．4ShawCBCarliellCMWheatleyAD．Anaerobic/aerobictreatmentofcoloredtextileeffluentsusingsequencingbatchreactorsJ．WaterＲesearch20023681993－2001．5．FCＲJ．20072892020－2024．LiXu-dongWangQun-huiLiYi-fei．StudyontreatmentofsimulantdairyprocessingwastewaterusingFCＲmultilevelcontactoxidationsystemJ．EnvironmentalScience20072892020－2024．6．J．200829367－69．DuTian-xingFeiQing-zhiXuZhi．Studyofsoybeanwastewatertreatmentwitheight-seriesbiologicalcontactoxidationsystemJ．JournalofDalianJiaotongUniversity200829367－69．7．J．200723578－81．QiuGuang-leiChengJian-guangXiangLian-chengetal．Pilot-scaletestofbiologicalcontactoxidationprocessfordecentralizedwastewatertreatmentJ．ChinaWater＆Wastewater200723578－81．8ＲocherMGomaGBegueAP．TowardsareductioninexcesssludgeproductioninactivatedsludgeprocessbiomassphysicochemicaltreatmentandbiodegradationJ．AppliedMicrobiologyandBiotechnology1999651883－890．9GhyootWVerstraeteW．Ｒeducedsludgeproductioninatwo-stagemembrane-assistedbioreactorJ．WaterＲesearch1999341205－215．10LinSJinYFuLetal．MicrobialcommunityvariationandfunctionstoexcesssludgereductioninanovelgravelcontactoxidationreactorJ．JournalofHazardousMaterials20091651/2/31083－1090．11DivyalakshmiPMuruganDSivarajanMetal．Insitudisruptionapproachonaerobicslu