搜索
112(1.()2.),,,,(Bacillussubtilissubsp.subtilis);,:,,,,;,;,,,,[1]11.11.1.1CL3010()LGR10-4.2()SH-3600A()()HZQ-C()1.1.2();(Amresco,);(6000)(,);4,6-(ACROS,99%);(HALTERMANN,99%);0#93#():KH2PO40.5gK2HPO40.5gMgSO40.2gCaCl20.1gNaCl0.2gMnSO4FeCl2NH4NO31.0g,1000mL;[2]:1=+200u/mL(Penicillin,Pc);2=+200u/mL(Nystatin,Nt);3=+200u/mL+200u/mL(Pc+Nt)1.21.2.15g100mL,10mL80mL,10mL(0.1mmol/L0.1mmol/L4,6-0.1mmol/L312363CHEMICALENGINEERINGOFOIL&GAS0.1mmol/L),120r/min,28,24h(1);10mL90mL,120r/min,28,48h;10(240h)1.2.210,,30,,41.2.3():100mL,28120r/min24h,0.5g/mL(0.5g1mL)0.5g/mL100mL,10%(DBT)2.72mmol/L5.44mmol/L,28120r/min12h24h,DBT,,[3,4]1.2.4DBT:254nm,90%,1mL/min,25,20L,DBT,DBT,DBTDBT[5]1.2.5:,,,(Bacillussubtilissubsp.subtilis),TL;,,[6,7]1.2.6,,32,123,[8]1.2.7:100mL,28120r/min24h,206000r/min10%DBT2.72mmol/L5.44mmol/L100mL,28120r/min12h24h,DBT,,1.2.8,0.5g,100mL28120r/min24h;0.5g100mL,(),[9]1.2.9,100mL15%93#0#,120r/min28,12h24h,(,);,,,[10]1.2.10:600,800,700,4122007150mL/min,150mL/min,E130mV,K1000,R2k,,;,22.1DBT11,3,TL-1TL-2TL-3,2;TL-1TL-2TL-3:Bacillussubtilissubsp.subtilis1DBT,10-6,10-61755686907440028721069215010479485560042097638320014213763680056318618DBT:Y=7.055e+0.04X,r=0.999912,80010-6,2DBTDBT12hDBT24hDBTTL-12.721.820.002233.831.560.003142.65TL-22.722.270.003016.542.020.005425.73TL-32.721.420.005647.791.000.007963.24TL-15.444.000.002726.473.230.001740.63TL-25.444.270.003021.504.000.003826.47TL-35.443.470.006636.212.560.005652.94:DBTmmol/L,%;DBTP0.013DBT2,,n8,DBTDBTT-testp0.05,p0.05,p0.012,3DBT,TL-3;3,2.233TL-31-++2+-+3--+-++-++-++:+;-,,,RH2.34DBTDBT12hDBT24hDBTTL-32.721.420.005647.791.000.007963.242.722.710.004302.710.00430RH-12.721.580.003341.911.350.004150.36RH-22.721.460.002946.321.150.003757.72TL-35.443.470.006636.212.560.005652.945.445.460.001205.350.00280RH-15.443.590.004834.003.050.004143.93RH-25.443.460.002336.392.590.002452.39:DBTmmol/L,%;DBTP0.01DBT44,RH-1RH-2DBT512363CHEMICALENGINEERINGOFOIL&GAS,,RH-1RH-2;,2RH-1RH-2,,2.4(RH-1RH-2)55DBTDBTDBTDBTDBTDBTRH-12.721.5642.651.5841.911.5144.481.6240.441.5642.65RH-22.722.0225.732.0624.262.0225.732.0126.102.0524.63RH-15.443.2340.633.1841.543.2540.253.2140.993.2839.70RH-25.444.0026.474.1024.633.9826.844.0825.004.0226.10:DBTmmol/L,%;DBTP0.055,2.5RH-1RH-267612h24h,ng/L12h,ng/L12h%24h,ng/L24h%RH-1129.750.008931.130.002976.0122.440.009682.71RH-2129.750.009152.270.007859.7131.640.008575.61:P0.01712h24hng/L12hng/L12h%24hng/L24h%RH1138.460.010935.730.004974.1927.560.007680.09RH-2138.460.008872.000.009947.9939.660.007871.26:P0.0167,RH-1RH-212h24h,24h12h;,,,RH-1RH-2,24h,,,,,,,,,,,,[1113]3(1),3,(Bacillussubtilissubsp.subtilis);(2),,,,,(3),,,61220071GrayKA,MrachkoGT,SquiresCH.Biodesulfurizationoffossilfuels[J].CurrOpinMicrobiol,2003,6(3)2,.().:,20033,,.[J].,2004,24(6)4.[M].:,20045.[M].:,20046,,.[J].,2005,3(2)7.[J].,1996,23(6)8IshiiY,KonishiJ,OkadaH,etal.Operonstructureandfunctionala2nalysisofthegenesencodingthermophilicdesulfurizingenzymesofPaenibacillussp.A11-21[J].BiochemicalandBiophysicalRe2searchCommunications,2000,270(1)9,,.[J]..1997,27(4)10K,ToshikiF,YasuhiroN,etal.Biodesulfurizationofbibenzothio2pheneanditsderivativesthroughtheselectivecleavageofcarbon-sulfurbondsbyamoderatelythermophilicbacteriumBacillussubtilisWU-S2B[J].JournalofBioscienceandBioengineering,2001,91(3)11,,.[J].,2005,34(1)12MonticelloDJ.Biodesulfurizationandtheupgradingofpetroleumdistillates[J].CurrOpinBiotechnol,2000,11(6)13CarolinaH.delOlmo,AlmudenaAlcon,VictoriaE.Santos,etal.ModelingtheproductionofarhodococcuserythropolisIGTS8biocat2alystforDBTbiodesulfurization:Influenceofmediacomposition[J].EnzymeandMicrobialTechnology,2005,37(7):2006-11-27:(202)CeO21.5%,94.4%,,,CeO2,CeO21.5%3(1)CeHZSM-5,2.0%,85%HZSM-5:,;,CeO2(2)Ce(3)CeO2,,CeO22.5%,(4)CeCe,,CeO21.5%,94.4%1,,.ZSM-5.,2003,4(4):47502GrzechowiakJR.RynkowskiJ.Catalytichydrotrementonalumina-titaniasupportedNi-Mosulfides[J].CatalToday,2001;65(2):2252313.[M]().:,1995:3063074PekkaT,TuulaT.AcidicpropertiesofZSM-5zeolitemodifiedwithBa2+,Al3+andLa3+ion-exchange[J].JMolCataA:Cheml,1996;110(4):153161:2006-12-05:712363CHEMICALENGINEERINGOFOIL&GASraydiffraction(XRD),NH3-temperatureprogramdesorption(NH3-TPD)andBETmethods.AmountofCeO2impregnatedhasanimportanteffectonitsstateofexistingoverHZSM-5zeolitecatalyst.Whentheimpregnatedamountislow,CeO2existsonlyinamor2phoushighlydispersed;withtheincreasingofCe-im2pregnatedamount,apartofCeO2isfoundtobecrystalstate.BETspecificsurfaceareadecreaseswhileHZSM-5catalystwasmodifiedbyCe.TheimpregnationofCeO2alsoresultsinincreasingoftheacidity.Thecrackingdesulfurizationreactionofiso-butylmercap2tionoverHZSM-5catalystorCe-modifiedHZSM-5zeolitecatalystwasstudiedinthefixed-bedcatalyt2icmicro-reactor.TheresultsshowedthatCe-modi2fiedHZSM-5catalystenjoyshighermercaptioncon2version,andthereisamaximumconversionof94.4%whiletheCeO2contentis1.5%.Keywords:ZSM-5zeolitecatalyst,CeO2,characterization,activity,iso-butylmercaptionThePreparationandApplicationofNanometerPd/Al2O3CatalystTangboHejin(CollegeofEngineerTechnologyShanghaiChemistry).CHEMICALENGINEERING