Ca2Mg2对SBR工艺脱氮效果的影响林永华

361Vol.36No.120142HeilongjiangElectricPowerFeb．20142013－10－09。1964、。Ca2+、Mg2+SBＲ1231．1500302．1500283．750011SBＲCa2+、Mg2+。2～3mg/L、pH7～9、30℃CaCl20.10mol/L63%80.8%。MgCl20.2mol/L86%90%。CaCl2MgCl20.10mol/LCa2+/Mg2+4∶1、1∶11∶496%Ca2+/Mg2+4∶180%。SBＲX703A1002－1663201401－0063－04InfluenceofCa2+Mg2+ontheeffectofdenitrificationwithSBＲprocessLINYonghua1YULing2HANLi31．HarbinElectricPowerOccupationalTechnologyCollegeHarbin150030China2．DatangHeilongjiangElectricPowerTechnicalDevelopmentCo．LtdHarbin150028China3．StateGridNingxiaElectricPowerCompanyElectricPowerＲesearchInstituteYinchuan750011ChinaAbstractInordertoeffectivelycontrolindustrialwastewaterandimproveecologicalenvironmenttheauthortakesalong-termstudyonsalinitywastewaterwithSBＲprocesstoinvestigatetheinfluenceofCa2+Mg2+ontheeffectofdenitrification．Theresultshowsthatdissolvedoxygen=2～3mg/LpH=7to9temperature=30℃whentheconcentrationofCaCl2is0.10mol/Ltheremovalrateofammonianitrogenreaches63%withtheaccumulationrateofnitritenitrogenwhichis80.0%whentheconcentrationofMgCl2is0.2mol/Ltheremovalrateofammonianitrogenreaches86%withtheaccumulationrateofnitritenitrogenwhichisover90%whentheconcentrationofCaCl2andMgCl2is0.10mol/LandCa2+/Mg2+is4∶11∶1and1∶4theaccumulationrateofnitritenitrogenwhichisover96%whenCa2+/Mg2+is4∶1theremovalrateofammonianitrogenisthehighestreaching80%．KeywordsindustrialwastewaterSBＲcalciumchloridemagnesiumchloridedenitrification、、、1。。SBＲSBＲ2。－－NO2－－NNO2－－N3－5。－6。Ca2+、Mg2+7。、CaCl2MgCl20.10mol/LCa2+/Mg2+Ca2+、Mg2+SBＲSBＲDOI:10.13625/j.cnki.hljep.2014.01.015。11.12L30℃。SBＲ、、、、、5。30s6.5h1.5g2h30min2min。1。1－2－3－DO4－pH5－OＲP6－7－pH8－9－10－11－12－13－1SBＲFig．1SBＲexperimentalapparatus1.21。1Tab．1Man-madesimulatedwastewaterformCH3COONa1.000～2.000g/LNH4Cl0.300g/LKH2PO40.125g/LCa2+CaCl20～0.250mol/LMg2+MgCl20～0.250mol/L1.38N－1－－DOWTWOxi3310pH－FE20pH。22.1DO2～3mg/L30℃pH7～9。14d。。。、250mg/L、6.5h8.5mg/L21mg/L80%90%。。2、Fig．2ChangesofammonianitrogennitratenitrogenandnitritenitrogeninsludgeacclimationpH。pH3。3pHFig．3ChangesofpHinsludgeacclimationpH7.556hpH7.00·46·36H+pH。6～8h。126hpHpH。2.2Ca2+、Mg2+、4。4、Fig．4Effectofdifferentconcentrationofcalciumchloridemagnesiumchlorideonammonianitrogen4CaCl2MgCl286%CaCl2MgCl20.02mol/LMgCl2CaCl2MgCl20.02～0.10mol/LCaCl263%MgCl286%。CaCl2MgCl20.10mol/L。、5。50.01mol/L50%MgCl261%。MgCl20.02～0.05mol/LMgCl20.05～0.10mol/LMgCl20.10～0.20mol/L。0.20mol/L100%。5、Fig．5EffectofdifferentconcentrationofcalciumchloridemagnesiumchlorideonnitritenitrogenCaCl2MgCl2。CaCl2MgCl20.02～0.10mol/L。CaCl2MgCl20.1mol/LCa2+Mg2+。。2.3Ca2+/Mg2+67。6Fig．6Ammonianitrogenremovalratechangedwiththecalcium/magnesiumratioCaCl2MgCl20.10mol/LCa2+/Mg2+4∶1、1∶11∶4CaCl2MgCl27d。Ca2+/Mg2+=4∶197%Ca2+/Mg2+=1∶199%Ca2+/Mg2+=1∶4·56·1Ca2+、Mg2+SBＲ7Fig．7Ntriteaccumulationratechangedwiththecalcium/magnesiumratio99%。Ca2+/Mg2+4∶1Ca2+/Mg2+1∶1、1∶4Ca2+Mg2+Ca2+、Mg2+。31Ca2+、Mg2+。214d。。80%90%。3Ca2+0.1～0.2mol/L29%～63%80～100%。Mg2+0.02～0.2mol/L86%100%。Ca2+Mg2+。4Ca2+/Mg2+4∶180%Ca2+/Mg2+1∶125%Ca2+/Mg2+1∶440%。Ca2+/Mg2+96%。Ca2+/Mg2+Ca2+/Mg2+。1．NO2－－NJ．201312355-59．ZHANGKefangZHANGZhaoshengZHANGLiqiuFANGQianLIUTao．NO2--NpathwayremovalexperimentonshortcutnitrificationdenitrificationJ．JournalofGuangzhouUniversityNATUＲALSCIENCEEDITION201312355-59．2AAmiriGyeJSjblom．InfluenceofpHhighsalinityandparticleconcentrationonstabilityandrheologicalpropertiesofaqueoussus-pensionsoffumedsilicaJ．ColloidsandSurfacesAPhysicochem-icalandEngineeringAspects200949343-54．3．pHJ．20113771067-1072．WANGShuyingLILunLILingyunGUShengboYANGQing．TheinfluenceoftheinitialpHvalueofquicklaunchshortcutnitrifi-cationonnitriteaccumulationJ．JournalofBeijingUniversityofTechnology201137071067-1072．4CHENYanWANGYingjunFANMinghaoetal．PreliminarystudyofShortcutNitrificationandDenitrificationUsingImmobilizedofMixedActivatedSludgeandDenitrifyingSludgeJ．ProcediaEnvi-ronmentalSciences2011C111171-1176．5．SBＲJ．2009293312-317．LILingyunPENGYongzhenYANGQingetal．Theoptimiza-tionofconditionsforrapidstart-upforpartialnitrificationinSBＲprocessJ．ChinaEnvironmentalScience2009293312-317．6．CaCl2J．20123135-8．ZHAOBaokangZHUOZhimeiCHENHengbao．StudyontheeffectofCaCl2salinityonactivatedsludgeperformanceJ．SichuanEnvironment20123135-8．7．J．2013452101-105．PENGYongzhenYANGAnmingLILingyunWULei．Shortcutnitrificationandtheoptimalaerationtimecontrolandnitrifyingpop-ulationcontrolJ．JournalofHarbinInstituteofTechnology2013452101-105．8《》．M．2002．TheStateEnvironmentalProtectionAdministration“waterandwastewatermonitoringandanalysismethods”editorialboard．WaterandwastewatermonitoringandanalysismethodFourthEditionM．BeijingChineseEnvironmentSciencePress2002．·66·36