固定化曝气生物滤池处理采油废水赵昕

,,,＊(,　100871):B350M.0.5%,N、P,.HRT4h、COD1.07kg/(m3·d),142d,,、TOC、CODH2S90.5%、74.4%、85.6%100%.GC-MS,27,23,4.(C18H38C28H58),,.,,、,、,,,SS.:;;:X741　:A　:0250-3301(2006)06-1155-07:2005-04-26;:2005-08-03::(1979～),,,,E-mail:[e-mail]＊,E-mail:[e-mail]ldWastewaterinBiologicalAeratedFilter(BAF)byImmobilizationZHAOXin,WANGYan-ming,YEZheng-fang,NIJin-ren(TheKeyLaboratoryofWaterandSedimentSciences,MinistryofEducation,DepartmentofEnvironmentalEngineering,PekingUniversity;Bejing100871,China)Abstract:AspecialkindofcarrierwasusedtoimmobilizeeffectivemicroorganismsB350Minabiologicalaeratedfilter(BAF)reactsystemfortreatmentofoilfieldwastewater,whichisofsalinity0.5%,lackofNandP,andcontainsloworganicmatter.Throughthebiodegradationsystemoperatedfor142d,thereactsystemcanachieveaveragedegradationefficiency90.5%、74.4%、85.6%、100%foroil,TOC,CODandH2S,whenHRTwas4handCODvolumetricloadwas1.07kg/(m3·d).GC-MSresultsshowthattheorganicsubstanceinwastewatercontain27differentkindsubstances,amajority(23)ofalkaneandaminority(4)ofaromaticsubstances.C14H30toC28H58ininfluentcouldbedecomposedintosmallmolecularsubstanceefficiently,especiallytheC18H38toC28H58,andalsopolycyclicaromatichydrocarbons(PAHs)suchasPhenanthrene.Thereactsystemhadagooddiversity,becausethecarriersprovideagreeableairandwaterconditionformicroorganisms,toresisthighsalinityandtoxicpollutant.FilamentousmicroorganismswereobservedinagreatdealandwillnotcausefoamingandbulkinginBAFreactorbyimmobilization.Keywords:immobilization;biologicalaeratedfilter;oilfieldwastewater　　,10.,、、、,[1,2].,:,,N、P,,,SS,[3～7].,,、、2,4-、[8～11].、、、,[12].Sekoulov,,COD85%,100%[13].、.,GC-MS,,.1　1.1　27620066　　　　　　ENVIRONMENTALSCIENCEVol.27,No.6Jun.,2006DOI:10.13227/j.hjkx.2006.06.023,6h,4℃.20011×109t,6000m3/d.“--”、[14].1,1.57L,100mm,200mm,70mm.FPUFS[15],8mm×8mm×8mm,、、,1.0g/cm3,80～120m2/g,0.3～0.7mm[16].,2.B350M(BIO-SYSTEMSCo.,USA[17]),B350M,.1　Fig.1　BAFreactorsystem2　(×500)Fig.2　Carrierwithoutmicroorganisms(×500)1.2　2004-07-22～2004-12-14,,5d,HRT20h,,80%,HRT18、16、14、12、10、8、6、4、3、2h.HRT4h,60d.1.3　[18],6,5%;3,0.5%,.HANNAHI93703-11.0.22μm,AnalytikJenaAGMultiN/C3000TOC.F-、SO2-4、Cl-、CO2-3DionexIonpacAS11-HC4×250mm,NaOH30mmol/L,1.5mL/min,ASRS-ULTRA,30℃,10μL.Na+、K+、Ca2+DionexIonpacCS12A4×250mm,20mmol/L,1.0mL/min,CSRS-ULTRA,25μL.,,60～90℃,0、10、40、60、100mg/L,AnalytikjenaAGSpecord200225nm.50mL5mLCH2Cl2pH2、12、73,,N21mL.GC-MS,1,NIST98.1　GC-MSTable1　GC-MSanalysisdetailsHewlett-PackardGC6890-MSD5973NHP5(60m×0.32m×0.17μm)/m250×10-6/kPa37.11μL,/℃28050℃2min;50℃※150℃,15℃/min;150℃※300℃,5℃/min;300℃15minEI(EMV)/V140035～500u,1.63/s1156　　　　　　27　　ESEM(environmentalscanelectronicmicroscope,FEIQUANTA200F).2　2.1　2.,BOD1,BOD2,BOD3,BOD4,BOD5,37.5mg/L、40mg/L、50mg/L、57.5mg/L、62.5mg/L,BOD510mg/L.BOD562.5mg/L,COD,B/C0.5,.2.2　2004-07-22～2004-12-14,(2004-07-22～2004-09-14)(2004-09-14～2004-12-14).3、4,,0.17～7.59mg/L,TOC2.9～22.47mg/L,HRT,,,、TOC,1～2d,、TOC3mg/L　　　2　/mg·L-1Table2　Waterqualityanalysisresultsofproducedwastewater/mg·L-1pH8.0SS130.0/℃602783.1/μS·cm-1869219.7/NTU269.7NH+43.25240P0.055F-18.9SO2-425.9BOD62.5K+109.3COD124.1Na+1905.219.7CO2-31032.7TOC37.7Ca2+81.83　Fig.3　OildegradationefficiencybyBAFreactor4　TOCFig.4　TOCdegradationefficiencybyBAFreactor11576　　　　　　5mg/L.0.82～3.00mg/L,TOC5.00～13.21mg/L,TOC90.5%74.4%.2.3　5(a),50027,23,4,23158,(C14H30)(C28H58).21.7min,2,6,10,14-.5(b),1/10,.24,204,137,(C14H30)(C26H54).PAHs,5(a)(b)5,,.2.4　2004-10-22ESEM3,26.100μm,、、,90d,,,6(a).3000,2,6(b).　　　5　、GC-MSFig.5　OrganicsubstancesininfluentandeffluentbyGC-MS1.　2.2-　3.　4.　5.　6.　7.3-　8.　9.2,6,10,14-　10.2--8-　11.2-12.13.2,6,10,14-　14.3--5-[2--]　15.　16.　17.　18.　19.　20.　21.　22.　23.[2-]　24.　25.　26.　　　　　　　　27.9-26d,,2～3.(a)(×1500)　　　　　　(b)(×3000)6　ESEMFig.6　CarrierandmicroorganismsinreactorobservedbyESEM1158　　　　　　273　3.1　,5240mg/L,2783.1mg/L.,CO2-31032.7mg/L,、.,,,,、,、,.,N、P.COD124.1mg/L,19.7mg/L,COD300～400mg/L.C∶N∶P=100∶2.58∶0.044,C∶N∶P=100∶5∶1.GC-MS5(a),PAHs(),.,,,.、、N、P,,,,.3.2　,FPUFSB350M,3、4.HRT20h4h,HRT1d,2～3d,1mg/L,TOC10mg/L.HRT3h、2h,、TOC3d7.59mg/L11.48mg/L,.,HRT4h.HRT7,HRT4～16h,、TOC、COD87.8%～91.1%,67.4%～74.4%,80.3%～88.2%,HRT2h,、TOC、COD71.4%,64.6%,73.0%,4hHRT.HRT4h60d,、、TOC8,9.HRT4h,COD1.07kg/(m3·d),、TOC3mg/L10mg/L,90.5%,COD85.6%,TOC74.4%,H2S100.0%.0.5%、COD1.07kg/(m3·d),N、P,.7　HRTFig.7　OrganicmatterdegradationefficiencywithdifferentHRT8　HRT=4hFig.8　DegradationresultswithHRT=4h3.3　GC-MS、,13.0～18.0min,20.0～28.0min,11596　　　　　　9　HRT=4hFig.9　EachpollutantdegradationefficiencywithHRT=4h,35.0min(、、、9-),.240,C17H36C28H58,C14H30,C15H32,C16H34,,,C14H30,C15H32,C16H34,,.3.4　6,90d,,、.FPUFS,.N、P,,[5,7],,SS,[6,19,20].,,,,.,、,,,.,2～3,,COD90.5%85.6%,COD1.07kg/(m3·d).4　(1)FPUFSB350M0.5%,C∶N∶P=100∶2.58∶0.044,,.HRT4h,COD1.07kg/(m3·d),3mg/L,TOC10mg/L,、TOC、CODH2S90.5%、74.4%、85.6%、100%.(2)GC-MS,27,23,4,2315(C14H30C28H58)8.,(C18H38C28H58),,PAHs.(3),、.FPUFS、,,、,.:[1],,,.-Fenton[J].,2003,4(4):18～21.[2].[M].:,1992.24.[3]TellezGT,NirmalakhandanN,Gardea-TorresdeyJL.Performanceevaluationofanactivatedsludgesystemforremovingpetroleumhydrocarbons