MAP法处理氨氮废水的研究马万征

42220132AppliedChemicalIndustryVol．42No．2Feb．20132012-12-202012-12-27KJ2012B0542011AKXK20101-3ZRC2012328ZRC20133431978－。[e-mail]233100MAP、pH、。30℃pH=9．5～10nMg2+∶nPO3－4∶nNH4+=1∶1．2∶1。MAPTQ09A1671－3206201302－0257－02StudyontreatmentofammonianitrogenwastewaterbyMAPmethodMAWan-zhengZHOUSi-xiZHOUYa-fengZHANGRuiCHENDongCollegeofUrbanConstructionandEnvironmentAnhuiScienceandTechnologyUniversityFengyang233100ChinaAbstractThroughthesinglefactorvariableexperimentalstudytheMAPmethodonthetreatmentofam-monianitrogenwastewatertreatmenteffect．AnalysisofthereactiontemperaturepHvaluereactantonthescaleandammonianitrogenconcentrationontheinfluenceofammonianitrogenremovalefficiency．Exper-imentalresultsshowedthatthetemperatureof30℃pH=9．5～10betweennMg2+∶nPO3－4∶nNH4+=1∶1．2∶1inammonianitrogenremovalefficiencytoachievethebestrespectivelyandinthesameconditionthecertainconcentrationrangewiththeincreasingoftheconcentrationofammonianitro-genremovalefficiencyhasatrendofincrease．KeywordsammonianitrogenprocessingremovalrateMAP。。、、MAP1。2pH、、。3MAP。MAPMg2++PO3－4+NH4+=MgNH4PO4MgCl2·6H2O、Na2HPO4·12H2ONH4+MAP。pH、、MAP。11．1MgCl2·6H2O、Na2HPO4·12H2O、、、、。722SHY6FE20pH-PB303-S。1．2C02g/L。100mL。5mL250mL4210mL50mLC1。W=C1×2505C0×100%1C0———mg/LC1———mg/L250———5mL250mL。1．3。1Fig．1Standardcurveofammonianitrogen22．1pH2g/L5100mLnMg2+∶nPO3－4∶nNH4+=1∶1∶1MgCl2·6H2O、Na2HPO4·12H2OpH15～20min。1。1pHTable1EffectsofpHontheammonianitrogenremovalratepH/mg·L－1/%70．3188．8078．0080．2948．1479．2090．2236．0684．85100．2135．7785．56110．36610．2074．521pHpH1085．56%pH。2．25100mL2g/L1∶1∶1MgCl2·6H2O、Na2HPO4·12H2OpH4．942。2Table2Effectsoftemperatureontheammonianitrogenremovalrate/℃/mg·L－1/%151．05530．0824．80200．91826．1034．69250．87526．8737．82300．88925．3036．78350．88925．3036．78225℃37．82%。2．316℃5100mL2g/LMgCl2·6H2O、Na2HPO4·12H2OnMg2+∶nPO3－4∶nNH4+3。3Table3EffectsofpharmacyratioontheammonianitrogenremovalratenMg2+∶nPO3－4∶nNH4+/mg·L－1/%1∶1．2∶10．73120．7048．181∶1．1∶10．75721．4746．301∶1∶10．80322．8043．001．1∶1∶10．82123．3041．691．2∶1∶10．85524．3039．233Mg2+PO3－4nMg2+∶nPO3－4∶nNH4+=1∶1．2∶148．18%。2．41235g/LMgCl2·6H2O、Na2HPO4·12H2O2。2Fig．2Effectsoftheinitialconcentrationsofwastewaterontheammonianitrogenremovalrate26385228899-901．9．———12J．200916255-57．10．M．19849-30．11．M．1989212-218．12BurgerJGSahuquetBC．Chemicalaspectsofinsitucombustion-heatofcombustionandkineticsJ．SPE3599-PA19725410-422．13RenSRGreavesMRathboneRRetal．AirinjectionLTOprocessanIORtechniqueforlight-oilreservoirsC．SPE570052002．14．M．1992141-180．15BabuDRCormackDE．Effectoflow-temperatureoxida-tiononthecompositionofathabascabitumenJ．Fuel198463858-861．16．J．2011334149-152．17NiuBaolunRenShaoranLiuYinhuaetal．Low-tempera-tureoxidationofoilcomponentsinanairinjectionprocessforimprovedoilrecoveryJ．Energy＆Fuels201125104299-4304．18．J．2008527111-113．19．J．2009303413-416．20．15J．201212184363-4368．21BurgerJSourieauPCombarnousM．M．199135-39．22PaulingL．TheChemicalBondM．IthacaNYCornellUPress196759-63118-124．2566BeersKLBooSGaynorSGetal．Homopolymerof4-benzoylphenylmethacrylateanditscopolymerswithglyci-dylmethacrylateJ．Macromolecules1999325772．7．J．2001185371-374．8HunterTCPriceGJ．MethylmethacrylateandglycidylmethacrylateJ．Polymer1994353530-3534．9HildGLampsJPRemppP．Commentsonapaperenti-tled“synthesisandcharacterizationofpoly23-epoxypropylmethacrylate”J．JournalofPolymerMaterials199714199-102．10．J．2008342208-212．2582。3MAPpHMgCl2·6H2ONa2HPO4·12H2O。。pH=9．5～10nMg2+∶nPO3－4∶nNH4+=1∶1．2∶130℃。1．M．2003．2．J．200828845-48．3．MAPJ．2003428-2932．362