A2O工艺处理生活污水反硝化除磷研究曾薇

37920119JOURNALOFBEIJINGUNIVERSITYOFTECHNOLOGYVol．37No．9Sept．2011A2O100124A2OρC/ρN．ρC/ρN、A2OρNO－3-N35mg/LTN47.1%A2O．A2OTN60.7%PO3－4-P55.9%31.4%～46.9%．ρC/ρNTN74.4%ρPO3－4-P0.5mg/L66.2%～90.9%．PHA、A2O．、31.1%74.7%．A2O．A2O-β-PHAX703.1A0254－0037201109－1407－092009-09-08．508780058102005121076．1974—．、．《》GB18918—2002．A2O－－、、、、．A2O、、、1．A2OρC/ρN．denitrifyingphosphateaccumulatingorganismDNPAOphosphateaccumulatingorganismPAOvolatilefattyacidVFA-β-poly-β-hydroxyalkanoatePHA．PHA．PHA、NO－x-NNO－x-NN2．A2O2-4．SBR5-6、7-8、pH9DNPAODNPAO．ρC/ρN．ρC/ρN3.0ρNH+4-N50mg/L．A2O102011．ρC/ρNA2OA2O11．A2O、A2OA2OρC/ρN．11.1A2O1．－－－．80L．8．11、23、44、1∶1∶2．231、、1∶2∶3∶6．、．．22±1℃．24L．1．2．3．WTW4．5．6．7．8．9．10．11．12．13．14．15．16．1A2OFig．1SchematicdiagramofA2Oprocess11122、311．、．188L/dHRT9.3hSRT18～25dρMLSS3500±500mg/L．50%～80%100%～300%ρDO1.5～2.5mg/L．．1～2．3．Ⅰ1～16d、1∶1∶2．Ⅱ17～32d、、80419A2O1∶2∶3∶6．Ⅲ33～106d、、1∶2∶3∶6．1.2．ρC/ρN1．3ρCODC2∶1ρCOD273.6～424.9mg/L352.4mg/LρC/ρN3.76～6.895.06ρC/ρP43.75～77.1761.55．1Table1CharacteristicsoftherawwastewaterρCOD/mg·L－1175.7～223.8194.5ρNH+4-N/mg·L－160.42～79.4369.44ρTN/mg·L－163.27～83.5972.27ρPO3－4-P/mg·L－14.30～8.285.71ρC/ρN2.44～3.453.22ρC/ρP33.12～46.0637.341.312ρCOD、ρNH+4-N、ρNO－3-N、ρNO－2-N、ρPO3－4-P．ρTNρTOCMultiNC3000/．PHA13N2Agilent6890NAgilentDB－1．13．pHρDOWTW-Multi-340i．DNPAOPAOs14．2.4L2.5L30min2．ρDO1.5～2.5mg/L60min24mg/LNO－3-N60min20min．Kanox/KaerDNPAOPAOs．G、UTGmg/LG=cb－c0+ca×R1+RUmg/LU=cb×1+R+cd×r1+R+r－ccT%T=1－cc×1+r+Rcb×1+R+cd×rrRc0PO3－4-Pmg/LcaPO3－4-Pmg/LcbPO3－4-Pmg/LccPO3－4-Pmg/LcdPO3－4-Pmg/LUTPO3－4-P．9041201122.1A2OCOD2ρCOD．ρCODCOD．2ρCOD175.7～223.8mg/L194.5mg/LρCOD54.1～90.3mg/L73.1mg/LρCOD30.8～45.1mg/L35.9mg/LCOD77.3%～84.3%81.6%．3ρCOD273.6～424.9mg/L352.4mg/LρCOD55.2～116.3mg/L87.3mg/LρCOD19.2～52.4mg/L36.5mg/LCOD81.9%～94.5%89.5%COD．ρCODGB18918—2002A．2.2A2O3A2OTNTN95%．95%TNTN90%．2A2OCODFig．2CODremovalinA2Oprocess3A2OFig．3NremovalinA2Oprocess4PO3－4-P5ρPO3－4-PA2O．1ρC/ρN3.22TN47.1%ρNO－3-N35mg/LNO－3-N．VFA．PO3－4-P9.8%．2TNTN60.7%ρNO－3-N25mg/L．NO－3-NNO－3-N．3ρNO－3-N4.1～12.7mg/L7.6mg/L．NO－3-NCODPHAPO3－4-P．4、5ρPO3－4-P1.3～3.4mg/L2.4mg/LPO3－4-P01419A2O4A2OFig．4PremovalinA2Oprocess5A2OFig．5DenitrifyingphosphorusremovalinA2Oprocess55.4%．31.4%～46.9%3.3～7.1mg/L．3ρC/ρN5.06TN74.4%ρNO－3-N18mg/L．3ρNO－3-N0.1～10mg/L2.4mg/LNO－3-N．CODVFAPHA．5PHA66.2%～90.9%3.5～14.6mg/L．PHA．PO3－4-P84.5%～100%ρPO3－4-P0.5mg/LGB18918—2002A．2.3A2O2.3.16A2OFig．6VariationsofnutrientalongthereactorinA2Oprocess3、、．6．2、34COD、TN、PO3－4-P89.5%、74.4%98.1%．ρCODρPO3－4-PGB18918—2002A．ρC/ρN11412011ρTNρTNGB18918—2002B．2.3.2PHAVFAPHAPHB、PHVPH2MVPHVPHAPHB、PHVPHB15．3PHAPHB、PHVPH2MV．PHAPH2MV．7PHVPHB．PHBMLSS1.72.2mg/g0.07670.1233mmol/gPHVMLSS2.43.1mg/g0.11950.1570mmol/g．PHVPHB．PHVPHB．PHBPHV．16-17．7、8PHAPHA．PHA．1golycogenaccumulatingorganismGAO18．A2OGAO．GAOPAO19．7PHAFig．7VariationsofsludgePHAcontentalongthereactor8Fig．8Variationsofglycogencontentalongthereactor1PO3－4-PPHA．、DO、pHPHA．PHAρDO1.5～2.5mg/L．、24PHAPHA20．．VFA．VFAPHA．PO3－4-P．DNPAO7、8PHA．PO3－4-P．21419A2O2.3.2DNPAO929a39bDNPAO3、DNPAO．DNPAOPAOs231.1%374.7%．DNPAO10．9Fig．9TheexperimentsoftheDNPAOrelativemetabolicactivity31A2OρC/ρN、A2OρNO－3-N35mg/LTN47.1%．PO3－4-P9.8%．2A2OTN60.7%PO3－4-P55.9%31.4%～46.9%．ρC/ρN、PHAρTNρPO3－4-P．3A2O．TN74.4%PO3－4-P84.5%～100%66.2%～90.9%．ρCODρPO3－4-PGB18918—2002AρTNGB18918—2002B．ρC/ρN、．4PHVPHBPHBPHV．5A2ODNPAO．、DNPAOPAOs31.1%74.7%．A2O．1．A2/OJ．200329322-26．ZHANGJieZANGJing-hongYANGHongetal．AstudyontheinherentshortcomingsandcountermeasuresoftheA2/OprocessJ．WaterandWastewaterEngineering200329322-26．inChinese2．A2/OJ．200826752-756．31412011PENGYiPENGYong-zhenWUChang-yong．DenitrifyingphosphorusremovalinA2/OprocessJ．ChineseJournalofEnvironmentalEngineering200826752-756．inChinese3KUBATvanLOOSDRECHTMCM．Phosphorusremovalfromwastewaterbyanaerobic/anoxicsequencingbatchreactorJ．WaterScienceandTechnology1993275241-252．4KUBATMURNLEITNEREvanLOOSDRECHTMCMetal．AmetabolicmodelforbiologicalphosphorusremovalbydenitrifyingorganismsJ．BiotechnologyandBioengineering1996526685-695．5OEHMENASAUNDERSAMVIVESMTetal．CompetitionbetweenpolyphosphateandglycogenaccumulatingorganismsinenhancedbiologicalphosphorusremovalsystemswithacetateandpropionateascarbonsourcesJ．JournalofBiotechnology2006123122-32．6．J．2006262186-192．WANGYa-yiWANGShu-yingPENGYong-zhenetal．TheinfluenceofcarbonsourceandtemperatureonthedenitrifyingphosphorusremovalinwastewatertreatmentprocessJ．ActaScientiaeCircumstantiae2006262186-192．inChinese7ZHANGXWANGZZHAOQ．BiologicalphosphorusremovalwithnitriteaselectionacceptorJ．WaterScienceandTechnology2006539185-191．8NGWJONGSLHUJY．Denitrifyingphosphorusremovalbyanaerobic/anoxicsequencingbatchreactorJ．WaterScienceandTechnology2001433139-146．9SERRALTAJFERRERJBORRASLetal．EffectofpHonbiologicalphosphorusuptakeJ．BiotechnologyandBioengineering2006955875-882．10．A2/OJ．20055681565-1569．WANGXiao-lianWANGShu-yingMAYongetal．AnoxicbiologicalphosphorusremovalandeffectofexcessiveaerationonbiologicalphosphorusremovalinA2OprocessJ．JournalofChemicalIndustryandEngineering20055681565-1569．inChinese11．A-A2/OJ．20083112150-152．ZHOUAi-jiaoTAOTaoZHANGTai-pingetal．Removaleffec