不同价态铁强化SBR除磷研究嵇斌

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SBR1,1,2(1.,730070;2.,730000)[](SBR),A/OSBR,,。,SBR,90g/L()25mg/LFe(),TP0.47、0.42mg/L,《》A;25mg/LFe(),TP0.59mg/L。[];;[]X703.1[]A[]1005-829X(2018)03-0017-04ResearchonironwithdifferentvalencesfortheenhancementofphosphorusremovalbySBRJiBin1,LiJie1,DouNinglong2(1.SchoolofEnvironmentalandMunicipalEngineering,LanzhouJiaotongUniversity,Lanzhou730070,China;2.LanzhouNonferrousMetallurgyDesign&ResearchInstituteCo.,Ltd.,Lanzhou730000,China)Abstract:Thesequencingbatchreactor(SBR)hasbeenusedfortheinvestigationoftheinfluencesofironwithdifferentvalencesontheenhancementofphosphorusremovingcapabilityofSBRrunninginA/Omode,thereactionkineticsmodelandphosphorusremovingmechanismofironwithdifferentvalencesenhancedphosphorusremovalhavebeendiscussed,andtheeconomicanalysesimplemented.Theresultsshowthataddingironcaneffectivelyen-hanceSBRphosphorusremovingeffect.When90g/LofZerovalentiron(spongeiron)and25mg/LofFe()areadded,theaverageeffluentTPare0.47mg/Land0.42mg/L,respectively,reachingtheFirstLevelAstandard,specifiedintheDischargeStandardofPollutantsforMunicipalWastewaterTreatmentPlant,when25mg/LofFe()isadded,theaverageeffluentTPis0.59mg/L.Keywords:spongeiron;enhancedphosphorusremoval;sequencingbatchreactor[](51468030),〔1〕。,,。,,,,、、〔2-4〕。,SBR-,、、SBR,。,-,。11.1:(),3~5mm,;FeCl3·6H2O,;FeSO4·7H2O,。〔2〕。,、38320183IndustrialWaterTreatmentVol.38No.3Mar.,201817,1。,,,。1:pH,mg/L。1.2SBR,250mm,150mm,,50mm,5L,4.5L。,,1。1—;2—;3—pH;4—DO;5—;6—;7—Multi3420;8—。1SBR14SBR,1#,8#90g/L();2#~7#5、10、15、20、25、30mg/LFe(),9#~14#5、10、15、20、25、30mg/LFe()。SBRHRT12h,:→2h→9h→1h→,50%,,(T)16~21℃,(DO)2~4mg/L,60。1.3〔5〕:COD,;NH4+-N,;TP,。DO、ORP、pHMulti3420。22.1SBR,SBR90g/L〔4〕。SBRFe()、Fe(),TP,2。2TPSBRFe()、Fe(),。10mg/L,Fe()Fe(),15mg/L,Fe()Fe()。,Fe()(PAOs)〔6〕,,TP;Fe()Fe(),。15mg/L,TP70%~80%,Fe()Fe()。,(EPS),,,Fe()Fe(),,;Fe()NO3-,(ORP),,TP,,Fe()DNA〔7〕。,〔3〕,(IRB)Fe(),。Fe()、Fe()25mg/L,TP。,,,,PAOs/〔8〕。,Fe()、Fe()SBR,25mg/L。CODNH4+-NTNTPpH290~48032~6750~1024.95~6.716.8~7.833545765.767.32018-03,38(3)182.2SBR3。3SBR3,()SBR,60,TP0.17~0.69mg/L,0.47mg/L,TP92%,《》(GB18918—2002)A。Fe()25mg/L,TP0.4~0.77mg/L,0.59mg/L,TP90%,《》(GB18918—2002)B。Fe()25mg/L,TP0.42mg/L,TP93%,《》(GB18918—2002)A。TP3.46mg/L,,,SBR。2.3SBR,,0、1、3、5、7、9hTP,、、,,42。4SBRTP4,SBR,,,,。(0~3h),SBR,,:,,Fe(OH)+、Fe(OH)2、Fe(OH)3,、Fen(OH)m(n1,m=3n),Zeta,〔9〕。3h,SBRFe()Fe()。,0.02%;,。,,,〔10〕;,EPS“”,EPS、,〔11-12〕,EPS。,,。3h,SBR,,2.43×10-2min-1。,Fe0-、、,Fe()Fe(),1~3h3~9hR2R2Fe0C=-0.6071t+1.54480.9972lnC=-0.2928t+1.92990.9910Fe()C=-0.495t+4.270.98521/C=-0.2575t-0.4330.9846Fe()C=-0.6943t+4.58570.99331/C=0.2251t-0.43890.95352SBR2018-03,38(3),:SBR19,,,,,,。〔13〕,,88%。,〔14〕SBR,、,。SBR,,、EPS、/。2.4-。SBR、,;,3。3〔9-11〕,,30~40mg/L,TP。,-、;SBRFe()Fe(),,,。3(1)、SBRTP,90g/L,TP,《》(GB18918—2002)A。Fe()Fe(),TP,Fe()25mg/L,TP93%,TP《》(GB18918—2002)A。(2)SBRTP,、EPS、/。(3)-、,TPA,。[1],,,.[J].,2010,33(3):92-98.[2],,,./[J].,2013,29(23):124-127.[3].Fe()[D].:,2014.[4],,.[J].,2015,41(3):41-44.[5].[M].4.:,2002:210-260.[6]RoskeI,SchonbornC.Interactionsbetweenchemicalandadvancedbiologicalphosphoruselimination[J].WaterResearch,1994,28(5):1103-1109.[7]SvobodaP,Harms-RingdahlM.Kineticsofphosphate-mediatedoxi-dationofferrousironandformationof8-oxo-2'-deoxyguanosineinsolutionsoffree2'-deoxyguanosineandcalfthymusDNA[J].Bio-chimicaEtBiophysicaActa,2002,1571(1):45-54.[8]XieC,LuR,HuangY,etal.Effectsofionsandphosphatesonalka-linephosphataseactivityinaerobicactivatedsludgesystem[J].Bioresou-rceTechnology,2010,101(10):3394-3399.[9],,,.[J].,2006,32(2):88-91.[10],,,.[J].,2013,29(19):18-21.[11],,,.[J].,2012,32(4):784-789.[12]CloeteTE,OosthuizenDJ.Theroleofextracellularexopolymersintheremovalofphosphorusfromactivatedsludge[J].WaterResearch,2001,35(15):3595-3598.[13].[D].:,2014.[14].SBR[D].:,2015.———————————[](1993—),。:18894490825,E-mail:binjiscl@163.com。:,E-mail:wye@mail.lzjtu.cn。[]2017-11-03()TPFe090g/L0.47mg/LA0.34/kgFe()25mg/L0.59mg/LB2.94/kgFe()25mg/L0.42mg/LA9.14/kg..2018-03,38(3)20

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