搜索
431320157GuangzhouChemicalIndustryVol.43No.13Jul.2015A/O/ASBＲ*(郑州大学水利与环境学院，河南郑州450001)pH7.5～8.2、DO0.4～0.7mg/L、9～1346d//A/O/ASBＲ。COD、NH+4－N、TN、TP94.8%、97.6%、89.4%、93.1%。pH、。pH、。A/O/ASBＲX703A1001－96772015013－0062－04*2012ZX07204－001－02－01。1989－。StudyofSimultaneousNitrogenandPhosphorusＲemovalUsingAnaerobic/Aerobic/AnoxicProcessinSBＲ*XIEQianHEZheng－guangDINGDanSchoolofWaterConservancyandEnvironmentZhengzhouUniversityHenanZhengzhou450001ChinaAbstractByusingsyntheticdomesticsewageasfeedandcontrollinginfluentpHat7.5～8.2DOat0.4～0.7mg/LSＲTat9～13daysandotherexperimentalconditionsA/O/ASBＲprocesswasutilizedtocombinesimultaneousshortcutnitrificationanddenitrificationwithphosphorusremovalduring46daysoftwostages.AfterthesystemoperationhadbeenstablechangeofwaterqualityduringonetypicalcirclewasmeasuredandanalyzedandtheremovalratesofCODNH+4－NTNandTPbythesystemcouldrespectivelybe94.8%、97.6%、89.4%、93.1%.BasedonthisinfluencesofdifferentinfluentpHanddifferentaerationratesonstabilityofsystemoperationwerediscussed.TheresultshowedthatwheninfluentpHwasdifferentchangesofnitrogenandphosphateremovalbythesystempresentdifferenttrends.Whenaerationratewastoohightheshortcutnitrificationchangedintofullnitrificationinthesystem.KeywordsA/O/ASBＲsimultaneousnitrogenandphosphorusremovalsimultaneousshortcutnitrificationanddenitrification。、1－2。、。、3－4。25%、40%、50%5－7。SBＲ“－”“－－”SBＲ“”、“”pH、。11.11。SBＲ24cm、35cm8cm10L。。4313A/O/ASBＲ63。“→60min→200min→150min→60min→→”。1Fig.1Schematicdiagramofexperimentalsetup1.2、、、MgSO4·7H2O、CaCl2·2H2O1mL/L。EDTA10g/LFeCl3·6H2O1.5g/LKI0.18g/LH3BO30.15g/LCoCl2·6H2O0.15g/LMnCl2·4H2O0.12g/LZnSO4·4H2O0.12g/LNa2MoO4·2H2O0.06g/LCuSO4·5H2O0.03g/LFeSO4·7H2O0.01g/L。COD360～400mg/L、80～95mg/L、TP6～10mg/L、pH7.2～7.5、20～25℃。1.3CODTPN－1－－TN－MLSSDO、pH。22.1A/O/ASBＲ。“”8－9。2。“2h－6h”NH+4－N26.4mg/L90.2mg/LpH7～7.5100L/h150mL15～18。NH+4－N85mg/LpH7.5～8.280L/h0.5mg/L200mL9～13。231。46d。2Fig.2Changeofnitrogenduringstart－upperiod2.2A/O/ASBＲA/O/ASBＲSBＲ。COD370～400mg/LNH+4－N75～90mg/LTP6～9mg/LpH7.8～8.23。0.05mg/LCOD34.1mg/L、TP78.3mg/L。、NH+4－N83.6mg/L69.4mg/L。NH+4－NNO－2－N19.4mg/LNO－3－N。68.1%。NO－2－NTPNO－2－N。COD、、TN、TP94.8%、97.6%、89.4%、93.1%A/O/ASBＲ。3Fig.3Waterqualitychangeduringonetypicalcircle2.3A/O/ASBＲ2.3.1pHA/O/ASBＲpHHesselmna10pH。NaOHHClpH6.5、7.5、8.5、4。64201574pHFig.4InfluenceofpHonsystemoperation4apH6.5、7.5、8.5COD25mg/L4bTP72.8%、93.1%、44.9%。pH6.5、8.5pH。pH6.5pH8.5TPCOD11－12。pH4cNH+4－N85.3%、97.9%、99.4%。pHpH7～8.5。pH6.5NH+4－N12.8mg/L13。A/O/ASBＲ。4dpH7.5TN89.5%pH8.584.4%pH6.578.1%pHpH。pH。2.3.2A/O/ASBＲ、14。C/NDO、15。60、80、100、120L/h、5。5Fig.5Influenceofaerationrateonsystemoperation5aCODCOD20mg/L。A/O/ASBＲ。60、80、100、120L/h5bTP67.2%、93.9%、88.6%、82.6%。DO4313A/O/ASBＲ65。。PHA。5c60L/hNH+4－N88.1%DO0.2mg/L。DO。5d60L/hTN。80～100L/hTN。120L/hTN70%。31pH、、46dA/O/ASBＲ。2。COD、、TN、TP94.8%、97.6%、89.4%、93.1%。3pHpHpH8.5TP44.9%。pHpH6.5NH+4－NTN。480L/h60L/hNH+4－N88.1%、TP67.2%。。120L/h。1．J．20082811－4．2．J．200831292－94．3．J．200916326－30．4ZhouYPijuanMYuanZ．Freenitrousacidinhibitiononanoxicphosphorusuptakeanddenitrificationbypoly－phosphateaccumulatingorganismsJ．BiotechnologyandBio－engineering2007984903－912．5．J．201137121－22．6．J．200916341－44．7．J．20092944－8．8．J．2011379163－1689．J．2010301238－41．10HesselmannＲPXVonＲummelＲＲesnicketalSMetal．AnaerobicmetabolismofbacteriaperformingenhancedbiologicalphosphateremovalJ．WaterＲes．200534343487－3494．11ZHANGCCHENYLIUY．EffectofpHonenzymeactivityinvolvedinenhancedbiologicalphosphorusremovalsystemJ．Abstracts/JournalofBiotechnology20089647－677．12WANGLMFILIPECDMPAＲKJK．ModelbasedevaluationofcompetitionbetweenpolyphosphateandglycogenaccumulatingorganismsJ．WaterＲesearch20074161312－1324．13．SBＲJ．2011346127－131．14．//SBＲJ．201333822－25．15．J．2011101檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵81－84．(上接第31页)16．Ti/SiPETJ．200023513－16．17．P．1320026C2004－12－29．18．P．1023822872012－03－21．19．D．2005．20FinelliLLorenzettiCMessoriMetal．ComparisonbetweentitaniumtetrabutoxideandanewcommercialtitaniumdioxidebasedcatalystusedforthesynthesisofpolyethyleneterephthalateJ．JApplPolySci20049231887－1892．21OttoBThieleKUGuoXG．CatalystandmethodforItsproductionanduseP．USUS64173202002．22MartlMMezgerTKuhnBOberleinGetal．Processforthepreparationofpolyestersandco－polyestersP．US57895281998．23．J．201140753．24．J．2013419－22．