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3 8环境工程学报Vol.3,No.820098ChineseJournalofEnvironmentalEngineeringAug.2009石先阳 孙庆业(,,230039) ,,;。0~1680mg/L,。Aiba、HaldaneTeisser,Teisser。UASB,2gCOD/(L·d),96%。 X703 A 1673-9108(2009)08-1409-05AnaerobicbiologicaltreatmentofphenolShiXianyang SunQingye(AnhuiKeylaboratoryofEco-EngineeringandBio-Technique,SchoolofLifeScience,AnhuiUniversity,Hefei230039,China)Abstract Anaerobicsludgewaspre-culturedinamediuminwhichphenolconcentrationincreasedandglucoseconcentrationdecreasedgradually.Finally,phenolwasusedasthesolecarbonsource.Thus,theabilityofanaerobicsludgefordegradingphenolwasenhancedremarkably.Theprocessofanaerobicphenoldegradationwasanalyzedinabatchexperiment.Atphenolconcentrationrangingfrom0to1680mg/L,theconsumptionrateofphenolwasfoundtobethefirstorder.Aibamodel,HaldanemodelandTeissermodelcanallbeusedtodescribetherelationbetweenspecificgrowthrateofanaerobicsludgeinlogarithmicphaseandinitialsubstrateconcentration.Teissermodelwasfoundtobemostsuitablemodel.Theupflowanaerobicsludgeblanket(UASB)reactortreatedwastewatercontainingphenolcouldbeoperatedsteadilyatamaximumloadof2.0gCOD/(L·d)aftertheacclimatedsludgewasinoculated.Thephenolremovalratewasabove96%intheopera-tionofUASBreactor.Keywords anaerobicsludge;phenol;model:(KJ2008B183);(070415218);(200604):2008-10-14;:2008-11-07:(1970~),,,,:。E-mail:shixi381@163.com 、、。,(5~25mg/L)[1~3]。[4]。,,、,[5]。,、、[6]。UASB(upflowanaerobicsludgeblanket)[7]。,UASB,。[8]。,UASB。,,;UASB。。31 1.1 。,,2~4mm。:COD1000~3000mg/L;NH4Cl250mg/L;KH2PO450mg/L;K2HPO450mg/L;NaHCO3600mg/L;MgSO450mg/L;CaCl250mg/L;FeCl225mg/L;NaCl10mg/L;CoCl2·6H2O5mg/L;MnCl2·4H2O5mg/L;AlCl32.5mg/L;(NH4)6Mo7O2415mg/L;H3BO45;NiCl2·6H2O5mg/L;CuCl2·5H2O5mg/L;ZnCl25mg/L。。1.2 (COD=2000mg/L)10d,(COD)。(COD,420mg/L=COD1000mg/L):250mg/L,5d;500mg/L,5d;750mg/L,5d;1000mg/L,5d;1250mg/L,5d;1500mg/L,5d;1750mg/L,5d2000mg/L,5d。1.3 500mL(1),MLVSS10g/L。:420、630、840、12601680mg/L。5min,,。37℃100r/min。1 Fig.1 Experimentalapparatusofanaerobicdegradationforphenol1.4 UASBUASB。3L,2.2L,0.8L。2.4L。[9]。20g/L1000mL,210mg/L,COD500mg/L。。HRT(hydraulicre-tentiontime)、pH48h,(37±1)℃6.5。1.5 COD、MLSSMLVSS[10]。。250μLGDX-1046890A。,80mA。99.99%,30mL/min。、100、60105℃。DB-FFAP(30m×0.25mm×0.25μm)SP-6890;,2.8mL/min;,80℃,3min,20℃/min,190℃,3min;250℃,(10∶1);FID300℃;30mL/min,400mL/min,。2 2.1 ,。,250d。。420mg/L,168h100%(2a),COD,COD99.5%,,。65.5%。2b~2e,。Des-ulfotomaculum、Clostridium。,14108:2 Fig.2 Comparisonofdegradingphenolabilitybetweenacclimatedsludgeandprimarysludgeinvariousinitialphenolconcentrations,,[8],。3。。,,。3 Fig.3 ChangeofCH4concentrationwithtimebetweenacclimatedsludgeandprimarysludgefordegradingphenol2.2 。:-dCpdt=KCp:Cp=Cp0×exp(-kt):Cpt(mg/L);Cp0(mg/L);k(h-1)。2a~2e,1。R0.94。。,。1 Table1 Resultsofkineticanalysis(mg/L)k(h-1)R21)(h)4200.022370.9871686300.012660.9851928400.010130.98922012600.009440.99424016800.007860.992256 :1)2.3 ,,,,。,3,Aiba、HaldaneTeissier[11]。:μp=lnX2X1t2-t1 μp:μp=μmaxSpKp+Sp,:14113Aiba: μp=μmaxSpexp-SpKpiKp+SpHaldane: μp=μmaxSpKp+Sp+Sp2KpiTeisser: μp=μmax[exp(-SpKpi)-exp(-SpKp)] μp(h-1);μmax(h-1);Sp(mg/L);Kp(mg/L);Kpi(mg/L)。4。23。3。μmax3Teissier。Kpi(1778.7mg/L)。,(μmax=0.143~0.418h-1)[11,12],(Kp),(Kpi)。,(KpKpi=0.265,Teisser),1260mg/L(3000mg/LCOD),(4)。4 Fig.4 Effectofinitialphenolconcentrationonspecificgrowthrate2 3Table2 Estimatedvaluesofparametersforthreekineticmodelsμmax(h-1)Kp(mg/L)Kpi(mg/L)*(%)R21Aiba0.001531478.61170.8100.00.9842Haldane0.001271039.7643.7392.90.9813Teisser0.0008470.731778.776.70.984 :*μmax2.4 UASB210mg/L,UASB。,[7]。95%,840mg/L。60d。UASBHRT,48h40、3224h。5150d。5,HRT=48h,29d,96%。30dHRT40h,,(33d85.3%)。44d(33~74d),96%。HRT40h32h(75~114d)24h(115~150d),,,。,5 HRTUASBFig.5 PhenoldegradationinUASBreactoratdifferentorganicloadingandHRTs14128:97.7%。,UASB,2gCOD/(L·d)。3 (1),(420mg/L,,34.5%)。0~1680mg/L,。3。Teisser。(2)UASB,2gCOD/(L·d),,96%。UASB、pH、、HRT,。[1],,,.PNAN5(Rhodococcussp.strainPNAN5)、.,2004,24(3):482~486[2]KibretM.,SomitschW.,RobraK.H.Characterizationofaphenoldegradingmixedpopulationbyenzymeassay.Wa-terRes.,2000,34(4):1127~1134[3]BajajM.,GallertC.,WinterJ.Biodegradationofhighphenolcontainingsyntheticwastewaterbyanaerobicfixedbedreactor.Bioresour.Technol.,2008,99:8376~8381[4],,,..,2002,22(6):6~9[5],,,..,2007,34(3):492~495[6]FangH.H.P.,LiuY.,KeS.Z.,etal.Anaerobicdegra-dationofphenolinwastewateratambienttemperature.Wat.Sci.Technol.,2004,49:95~102[7]FangH.H.P.,LiangD.W.,ZhangT.,etal.Anaerobictreatmentofphenolinwastewaterunderthermophiliccondi-tion.WaterRes.,2006,40:427~434[8],,,..,2007,27(2):9~12[9],,.UASB.,2008,2(1):11~15[10]《》.(4).:,2002[11]SchroderM.,MullerC.,PostenC.,etal.Inhibitionki-neticsofphenoldegradationfromunstablesteady-stateda-ta.Biotechnol.Bioeng.,1997,54:567~576[12]KumarA.,KumarS.,KumarS.BiodegradationkineticsofphenolandcatecholusingPseudomonasputidaMTCC1194.Biochem.Eng.J.,2005,22:151~1591413
本文标题:苯酚的厌氧生物处理石先阳
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