短程硝化反硝化工艺处理养猪场废水的厌氧消化液郑淑玲

12212221．6100652．610041。。/O1//O2、0．45m3/m2·dCOD78%～85%、79%～87%＞99%、。X703C1000－4602201007－0096－04Short-cutNitrificationandDenitrificationProcessforAnaerobicallyDigestedPiggeryWastewaterTreatmentZHENGShu-ling12YUANShi-bin2WANGAn1DONGWei2CHENZhi2SUNGuo-chao21．CollegeofArchitectureandEnvironmentSichuanUniversityChengdu610065China2．ChengduInstituteofBiologyChineseAcademyofSciencesChengdu610041ChinaAbstractThedirectdischargeofanaerobicallydigestedpiggerywastewaterfrommanylarge-scalepigfarmscausesaserioussecondarypollution．Theanaerobicallydigestedpiggerywastewaterisdifficulttobetreatedduetohighcontentofrefractoryorganicpollutantsandcarbon/nitrogenratioimbalance．ThecombinedprocessofhydrolysisbiologicalcontactoxidizationO1anaerobicbiofilmandbiologicalcontactoxidizationO2wasappliedtotreatanaerobicallydigestedpiggerywastewater．Atnormaltem-peratureandwithoutadditionofanychemicalsastableshort-cutnitrificationanddenitrificationisa-chieved．Whenthehydraulicloadisabout0．45m3/m2·dtheremovalratesofCODandammonianitrogenare78%to85%and79%to87%respectivelyandthenitrosationrateismorethan99%．Thecombinedprocessprovidesaneffectivewayforbiologicaltreatmentofwastewaterwithhighammoniani-trogenconcentrationandlowcarbon/nitrogenratio．Keywordsshort-cutnitrificationanddenitrificationpiggerywastewateranaerobicdiges-tatehydrolysis“”8632005AA601010－02、·69·26720104CHINAWATER＆WASTEWATERVol．26No．7Apr．20101。、、、、。2、3。BOD5/CODBOD5/TNCOD4。/O1//O2、、、。11.11。12LO19．4L4ABR54LO218L。。CR－30R。1Fig．1Flowchartofexperiment1.2COD790～1631mg/L891～1206mg/LpH7．0～8．0。COD、、、pHpH。1.35O1。。、。0．5L/h0．45m3/m2·d20～28℃O1O21．5～2．0、2．0～4．0mg/L。2～3/。22.1CODCOD2。2CODFig．2CODremovaleffect2COD900～1100mg/LCOD140～230mg/LCOD78%～85%81%。O1。2.2940～1200mg/L150～240mg/L79%～87%。2、3·79·．watergasheat．com2674。NO－x－NO11．5～2．0mg/L。O22．0～4．0mg/L。、3。3NO－x－NFig．3VariationofNO－x－NconcentrationO1NO－2－NNO－3－NpHNO－2－N。NO－2－NNO－3－NpH=8．0pH=7．05。O1pH7．5～8．0。pHFAFA1。FA=1714×NH3－N×10pHKb/Kw+10pH=1．214NH3－N×10pHe6324/273+T+10pH1Kb、Kw———FA0．6mg/LFA＞5．0mg/LFA40．0mg/L6。O10．9～1．2mg/L。O199%。3①/O1//O2、20～28℃、COD900～1100mg/L、940～1200mg/L、0．45m3/m2·dCOD140～230mg/L、150～240mg/LCODNH3－N78%～85%、79%～87%。②O1＞99%。、pHFA。③、。1．J．200614219－22．102·89·267．watergasheat．comH2O2＜20μmol/LH2O2。H2O23．1μmol/LZSM-5Si/Al=300H2O2。3①ZSM-596%。②ZSM-5300ZSM-530min66%。③300ZSM-5510min58%33%。④300ZSM-5H2O2。1vonGuntenU．OzonationofdrinkingwaterPartⅡ．Disinfectionandby-productformationinpresenceofbro-mideiodideorchlorineJ．WaterRes20033771469－1487．2．、J．2006221612－15．3．J．20052141－4．4BerneFChassonGLegubeB．Effectofadditionofam-moniaonthebromateformationduringozonationJ．O-zoneSciEng2004263267－276．5MitchWASedlakDL．FormationofN-nitrosodimethyl-amineNDMAfromdimethylamineduringchlorinationJ．EnvironSciTechnol2002364588－595．6NaCOlsonTM．MechanismandkineticsofcyanogenchlorideformationfromthechlorinationofglycineJ．EnvironSciTechnol20064051469－1477．7．、J．2007253430－434．8BaderHSturzeneggerVHoingnéJ．PhotometricmethodforthedeterminationoflowconcentrationsofhydrogenheroxidebytheperoxidasecatalyzedoxidationofNN-di-ethyl-p-phenylenediamineDPDJ．WaterRes19882291109－1115．9vonGuntenUHoignéJ．Bromateformationduringozona-tionofbromide-containingwatersinteractionofozoneandhydroxylradicalreactionsJ．E[e-mail]櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵2009－10－02982．J．200925855－57．3SánchezEBorjaRTraviesoLetal．EffectoforganicloadingrateonthestabilityoperationalparametersandperformanceofasecondaryupflowanaerobicsludgebedreactortreatingpiggerywasteJ．BioresourTechnol2005963335－344．4．UASB/SBR/J．2007[e-mail]2009－10－03·201·267．watergasheat．com