OCO工艺处理屠宰废水钟华文

OCO525011。OCO20h、10、4、6hOCODO3．0～4．0mg/LCOD、100、15、30mg/L90%、70%50%。OCO。OCOCODSlaughteringwastewatertreatmentbyOCOprocessAbstractUsuallyslaughteringwastewaterisrichinorganicsandnitrogenandsometimesnitro-gencontentishigherthandischargestandard．OCOprocesswasadoptedtotreatslaughteringwastewaterinordertoreducenitrogencontent．InthebiologicalexperimentofcarbonremovalanddenitrificationwhentotalhydraulicresidenttimeHRTwas20htheHRTofanaerobiczoneanoxiczoneandaerobiczoneinOCOreactorwere10h4hand6hrespectivelyandwhendissolvedoxygenDOconcentrationinaerobiczonewas3mg/L～4mg/LtheremovalratesofCODammonianitrogenandtotalnitrogenwererespectivelyover90%70%and50%andeachconcentrationintreatedwaterwere100mg/L15mg/Land30mg/Lwhichhadreachedthenationaldischargestandard．ItwasprovedinexperimentalstudythatOCOprocesswasefficientinbiologicalremovalofcarbonandnitrogenwhichcouldbeanewtechnologyforslaughteringwastewatertreatment．KeywordsslaughteringwastewaterOCOprocessbiologicaldenitrificationCOD1～4。檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪6GUERARDF.GUIMASL.BINETA.．Productionoftu-nawastehydrolysatesbyacommercialneutralproteaseprep-arationJ．JournalofMolecularCatalysisBEnzymatic200219～202489～4987．J．2007323100～1038．M．19933～49．D．2007.10．J．2007771078～109711．M．20046～812．J．200728548～5213．J．200122392～9414SENR.SWAMINATHANT.．Applicationofresponse－sur-facemethodologytoevaluatetheoptimumenvironmentalcondi-tionsfortheenhancedproductionofsurfactinJ．AppliedMi-crobiologyandBiotechnology1997474358～3632011－01－04080103010782008GA710021。1986－。1976－。23MEATINDUSTRY20113359。COD、BOD5。“”。A/O、A/A/O、。OCO56。OCO。11．1OCOOCOOCO1。1OCOOCO。OCO。OCO5∶∶=1∶2．3∶3。350%C/N6。、OCO∶∶=5∶2∶3。OCO800mm560mm700mm0．25m3。、。1．2SS80%COD、BOD530%～50%。COD≤1000mg/LBOD5≤480mg/LSS≤150mg/LNH3－N≤60mg/LBOD5/CODB/C0．43～0．58。1.3OCO。。。24h12h30min。5～6d。22.1OCOOCOpH、DO、3320113359MEATINDUSTRYMLSS、HRT、、BOD5/NO－x—NC/N。OCO。2.1.1135℃5℃28℃20℃7。20～40℃15℃。2pHH+pHpHpH8．0～8．4pH6．57。pH1g7．1gpH6．5～7．5。3DODO8。DO2．0mg/LCODDO。DODO0．5mg/L。DO3．0～4．0mg/LOCO。2.1.21MLSSMLSS3000～5000mg/LOCO。3000mg/L5000mg/L。2HRTHRT10hHRT4hHRT6h5∶2∶3。3。MLSS。COD0．6kg/m3·d。4C/NC/N≥4。、NO－x。C/N≥6BOD5。2.2OCOCODCO2H2O。2COD。2COD2COD100mg/L90%。OCO。2.3OCO、。N243MEATINDUSTRY20113359。34。338～60mg/LOCO15mg/L70%75%～85%。430mg/L50%。。OCO。N2。31OCO20h10h4h6h。2COD、100、15、30mg/L90%、70%、50%。3OCO。1．J．20103191～1922．J．2010336309～3123AsselinM.DroguiP.BenmoussaH.etal．EffectivenessofelectrocoagulationprocessinremovingorganiccompoundsfromslaughterhousewastewaterusingmonopolarandbipolarelectrolyticcellsJ．Chemosphere200872111727～17334DebikE.CoskunT.．Useofthestaticgranularbedreactorwithanaerobicsludgetotreatpoultryslaughter－housewastewaterandkineticmodelingJ．BioresourceTechnolo-gy2009100112777～27825．OCOJ．200430817～206．J．200929479～817．J．200435361～648．J．．2008372113～1152011－01－071967－。5320113359MEATINDUSTRY