pH对SBBR工艺亚硝酸型SND及过程控制的影响史旭东

pHSBBRSND*1211111.5100062.030001SNDpHpH6.8～8.2。DO、pHORPCOD“”pHDOORPpHDOORPSBBR。pHSBBRSNDEFFECTOFpHONSIMULTANEOUSNITRIFICATIONANDDENITRIFICATIONVIANITRITEANDITSPROCESSCONTROLINSEQUENCINGBATCHBIOFILMREACTORShiXudong12RongHongwei1ZhangChaosheng1LingZhongyong1ZhangKefang11.SchoolofCivilEngineeringGuangzhouUniversityGuangzhou510006China2.ShanxiInstituteofCityPlanningandDesignTaiyuan030001ChinaAbstractThepHchangehadansignificantinhibitoryeffectonthebiologicalactivityofnitritebacteriaanddenitrifyingbacteriaduringsimultaneousnitrificationanddenitrificationvianitrite．TheaveragepHrangefrom6.8to8.2wasprovedveryefficientforsimultaneousnitrificationanddenitrificationSNDvianitrite．ThevariationofDO、pHandORPwerewellrelatedtoorganicdegradationnitrificationanddenitrificationinSBBR．ThepHchangehadlittleinfluenceonthevariationofDOandORPbutithadgreatinfluenceonpHcurveandledtodifferentvariations．ThevariationofpHlostitsindicativesignificanceasprocesscontrolparametersforthesimultaneousnitrificationanddenitrificationvianitrite．SothatjudgmentontheendingofsimultaneousnitrificationanddenitrificationvianitritecouldbebasedonthevariedcurveofDOandORP．KeywordspHSBBRSNDvianitriteprocesscontrol*925100910100000191510091010000212010Z1－E051。NH+4-NNO－2-NNO－2-NNO－3-NNO－2-N1-4。。4-5。pH。pH。pHpHpH6。pH。SBBRDOpHSBBRSNDDO、ORPpHSBBR1620118294DOI:10.13205/j.hjgc.2011.04.025。11.1115cm125cm17L。11.2、、NH4Cl、KH2PO4、MgSO4、CaCl2FeSO4NaOH、HClNaHCO3pH。1。1mg/LρCODρTNρNH+4-NρNO－3-NρNO－2-N150～20026.6～32.122.7～29.40.1～0.30.1～0.41.3CODNH+4-NNO－3-NNO－2-NN-1--TN－DO、ORPpHWTW。1.4SBBR30d、、、NH+4-N、COD90%。。0.04～0.080.02～0.06。。40L/hDO3.5～4.5mg/L1mg/L5mg/L90%8mg/LTN73.4%～85.6%。22.1pHSNDNaOH、HClNaHCO3pH6.0、6.8、7.5、8.29.0SBBRpH、“”TN。NH+4-N1mg/L20min10min40L/h。2。pHSBBR。pH6.089.45%52.93%4.73mg/L·h。pH6.8～7.5TN300min80%80.97%～82.51%5.38～5.46mg/L·h。pHpH。2620118294pH9.02.72mg/L·h62.59%75.24%pH。2pH6.0～9.0CODpHCOD。2pHpH/minρCOD/mg·L－1ρTN/mg·L－1/%/%/%/mg·L－1·h－16.0330189.0720.7289.0427.859.7752.9389.454.736.8300186.7820.1190.5927.466.1580.1580.975.467.5300178.9416.4490.8127.255.6779.1482.515.388.2360194.6219.0890.2027.016.1577.2286.714.449.0400180.2417.3590.3725.669.6162.5975.242.722.2pHSNDpHDO、ORPpHDO、pHORPpHDO、ORP、pH2～6。3～5pH6.8～8.2DOORP4a、A、BCpH3DOORPA、B、C。COD“”。pH6.09.0DO、pHORPpH2、6。a、aA、ABBC。2.2.12～6COD、TNNH+4-NDOORP“”2SNPDO、ORP、pH、TNCODpH=6.0NH+4DOORP。pH6.8～9.0pH3～6。pH6.0pHpH2。2.2.2aApHDO、ORPA36201182943SNDDO、ORP、pH、TNCODpH=6.84SNDDO、ORP、pH、TNCODpH=7.5。DO。ORPDOORP=A+BlnO2DOORP。2pHpH5SNDDO、ORP、pH、TNCODpH=8.26SNDDO、ORP、pH、TNCODpH=9.06.0pHA。pH6.8～7.5pHCO2pH。4620118294CO2pHDO、ORPA3～4。5～6pH8.2～9.0pHCO2pHA。2.2.3pH6.0～8.2DO、pHORPB2～5。CODCOD80%。TNNH+4-NNO－2-NNO－3-N。DOORPA。DOORPORP。pH1CO2CO2pH。2pH。pH9.0SNDDOORPB。CO2pH6。2.2.4SNDCODSNDBC。pH6.0～8.2DO、pHORPC2～5。CODTNNH+4-NNO－2-NNO－3-N1mg/L。DOpHORP。DO。NH+4-NNO－2-NH+NO－2-NN2H+pH。ORPDONH+4NO－2。CDO、pHORP2～5NH+4-N1.0mg/LNO－3-N1mg/LNO－2-NTNDOORP。DONO－2-NNO－2-NNO－3-NTN。CO2pH。C。pH9.0DODOORPC。CO2pHC。SBBRpH9.0DO、pHORPDOORPa、A、B、CpH。pH6.0～9.0DOORPC。31pH5620118294pH6.8～8.2。2SBBRSNDDO、pHORPCOD“”DO、pHORPSND。3pHDOORPpH。pH6.0～9.0DOORPC。1．J．2009293516-520．2GaoDawenPengYongzhenLiBaikunetal．Shortcutnitrification-denitrificationbyreal-timecontrolstrategiesJ．BioresourceTechnology200910072298-2300．3．DOJ．200420513-16．4LeonidiaMariaCastroDanielEloísaPozziEugenioForestietal．Removalofammoniumviasimultaneousnitrification-denitrificationnitrite-shortcutinasinglepacked-bedbatchreactorJ．BioresourceTechnology200910031100-1107．5AnYingyuYangFenglinHweeChuanChuaetal．TheintegrationofmethanogenesiswithshortcutnitrificationanddenitrificationinacombinedUASBwithMBRJ．BioresourceTechnology200899937[e-mail]2010－10－09櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅5341395%。24PAM＞FeSO4·7H2O＞pH＞Na2S＞LIMEPAM。3pH=2FeSO40.705g/LNa2S0.52g/LLIME1.12g/LPAM0.016g/L99.9%0.022mg/L。498.9%3.8%0.5mg/L。1．J．200228429-31．2．J．20032321-5．3．J．2003249404-[e-mail]2010－12－186620118294