您好,欢迎访问三七文档
当前位置:首页 > 商业/管理/HR > 公司方案 > 低强度超声波强化生物降解硝基苯的研究袁源
*116024R.mucilaginosa、S.albidoflavusM.luteus。180W35kHz15min。96h11.3%、7.9%1.3%。151716h。Z1Z252h5hZ3。Andrews。Z1>Z2>Z3。STUDYONDEGRADATIONOFNITROBENZENEENHANCEDBYLOWINTENSITYULTRASOUNDYuanYuanJinRuofeiZhouJitiKeyLaboratoryofIndustrialEcologyandEnvironmentalEngineeringMOESchoolofEnvironmentalScienceandTechnologyDalianUniversityofTechnologyDalian116024ChinaAbstractInthispaperthelow-intensityultrasoundLIUgroupandthecontrolgroupwereemployedtoinvestigatethemicrobialdegradationofNBwithRhodotorulamucilaginosaZ1StreptomgcesalbidoflavusZ2andMicrococcusluteusZ3underdifferentconditions.Theoperationconditionswereoptimizedas35kHz180Wand15minforirradiation.ComparedtocontrolgrouptheNBremovalsinLIUgroupwereincreasedby11.3%7.9%and1.3%in96handtheinitialultrasoundeffectswereobservedat15h17hand16hincontinuousexperimentsrespectively.ForZ1andZ2theeffectdurationwas52hand5h.NoobviousdurationonZ3indicatesthatLIUcannotimproveallthemicrobialdegradationofNB.ThedegradationcurvesfittheAndrewsmodelwellandthekineticparameterswereimprovedbyultrasound.Thelowintensityultrasoundhasdifferenteffectonthethreestrainsinkinetics.Keywordsnitrobenzenelowintensityultrasoundenhacement*508082029200902538。0、、、1。、《》2。3。。4。5。611-12。6。7。、。99201112296DOI:10.13205/j.hjgc.2011.06.02111.1R.mucilaginosaZ1GenBankDQ778627S.albidoflavusZ2GenBankDQ855477M.luteusZ3GenBankDQ8554768。Z1Z2Z3。1.20.5g/L1.0g/L7.0g/LNa2HPO4·12H2O1.0g/LKH2PO40.01g/LCaCl2·2H2O0.02g/LMgSO4·7H2O0.002g/LpH=7.0。1.3480mg/L7.0g/LNa2HPO4·12H2O1.0g/LKH2PO40.01g/LCaCl2·2H2O0.02g/LMgSO4·7H2O0.002g/LpH=7.0。22.1-80℃30℃、pH=7.0、150r/minOD6600.6~0.7Na2HPO4-NaH2PO40.02mol/LpH=7.03OD6600.7~0.8。2.2100120140160180200W、253035℃51015min。96h。2.396h。2.4。。2.5qh-1。2.69-10λ=268nmy=0.0157x+0.0141R2=0.999。=A0-A/A0×100%A0A。33.11。1。1/kHz/W/℃/minZ1251802515Z225160255Z3251802515113。196h84.2%、76.4%65.8%111.3%、7.9%1.3%。001201112296Z1>Z2>Z3。a—Z1b—Z2c—Z3296h3.2。14。2aZ115h15h96h11.3%15h。2b2cZ2Z317h16h。Z1。3.3。3aZ120h。72h。52h。3bZ25h。3cZ3。。a—Z1b—Z2c—Z33144h3.4。Andrews101201112296。Andrewsq=qmaxSKs+S+S2Kiqh-1Smg/Lqmaxh-1Ks、Kimg/L。4。a—Z1b—Z2c—Z34Andrews2。2qmaxKsKi。Z3。。2qmaxKsKiqmaxKsKiZ15.72476.3434.677.21502.1947.23Z25.13481.2146.735.86500.3259.25Z34.25424.6137.244.27432.1239.1741。Z1、Z2Z3180160180W15515min25℃。2151716h。Z1Z252h5hZ3。。3Andrews。qmax、KsKiZ3。4。1SpainJC.BiodegradationofnitroaromaticcompoundsJ.AnnualReviewofPharmacologyandToxicology1995494523-555.2TangPZhouJWangTetal.AdvanceinnitrobenzenewastewatertreatmentJ.IndustrialWaterTreatment200323316-19.3.J.200284427-429.4.M.1994.5.J.200626740-43.6.J.200284427-429.57201201112296。ASM2D、。1.UNITANKJ.199915721-23.2.J.200321425-28.3.UNITANKJ.1998241116-19.4.UNITANKJ.20022831-4.5.UNITANKJ.200521175-78.6.UNITANKJ.200521366-69.7.UNITANKJ.200824292-94.8.CAST、UNITANK、J.201026245-48.9..M.2002.10WGujerMHenzeMinoTetal.ActivatedsludgemodelNo.2DJ.WatSciTech1999391165-182.11ZhangFagenLiuJunxinSuiJun.SludgedynamicdistributionanditsimpactontheperformanceofUNITANKJ.JournalofEnvironmentalScience2007192141-147.12.ASM2DUNITANKJ.200733518-21.13.UNITANKJ.20072611-4.14.UNITANKJ.20077142-45.15.UNITANKJ.20062810731-733.16.UNITANKJ.200622986-89.17.UNITANKJ.200622293-95.18.UNITANKJ.200624635-36.19.J..200632994-100.20.UNITANKASM2DJ.200927560-64.510006230A129E-maildustinzh@263.com2011-04-21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1027.Comamonassp.CNB1J.20044448-12.8.J.2008482173-177.9.J.200020137-38.10.M.4.2002.11LessnerDJJohonsonGRParalesREetal.MolecularcharacterizationandsubstratespecificityofnitrobenzenedioxygenasefromComamonassp.strainJS765J.AppliedEnvironmentalMicrobiology2002682634-641.12ParkHSLimSJChangYKetal.DegradationofchloronitrobenzenesbyacoclutureofPseudomo-nasputidaandaRhodococcusspJ.AppliedEnvironmentalMicrobiology19996531083-1091.13.J.200626610-13.14.J.2008341202-203.1160242041184706252E-mailzjiti@163.com2011-06-2175201112296
本文标题:低强度超声波强化生物降解硝基苯的研究袁源
链接地址:https://www.777doc.com/doc-6553604 .html