生物质直接催化液化的研究_李金花

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·65·RenewableEnergyResources第30卷第11期2012年11月Vol.30No.11Nov.2012:2012-04-23。:(ZR2009FQ022);(20901043);(BS2009CL041)。:(1978-),,,,。E-mail:jinhuali1978@126.com李金花1,王国明2,王婷1,王涛先1,桑玉涛1,冯双庆1,韩永萍1,王宗花1(1.,266071;2.,266071):Mn,Ni,(SEM)X(XRD),。GC-MS,,,Mn/ZSM-5。Mn/ZSM-510.65%14.61%,12.78%22.31%,6.28%,43.56MJ/kg。。:;;;;:TK6;S216.2:A:1671-5292(2012)11-0065-04ResearchonbiomassdirectliquefactionbyaddingcatalystsLIJin-hua1,WANGGuo-ming2,WANGTing1,WANGTao-xian1,SANGYu-tao1,FENGShuang-qing1,HANYong-ping1,WANGZong-hua1(1.CollegeofChemicalEngineeringandEnvironment,QingdaoUniversity,Qingdao266071,China;2.Teachers’College,QingdaoUniversity,Qingdao266071,China)Abstract:TheMn,Niion-exchangeedZSM-5zeolitecatalystswerecharacterizedbySEMandXRDandappliedduringthedirectliquefactionofsoybeanstalk.Thebio-oilsobtainedfromdirectliquefactionwithandwithoutcatalystswerecharacterizedbyelementalanalysesandGC-MSanalyses.Theresultsindicatedthatthereactionsduringbiomassliquefactionwerepromotedobviouslybyaddingion-exchangedzeolitecatalysts,especiallyMn/ZSM-5.WhenMn/ZSM-5zeolitewasusedascatalyst,thebio-oilyieldwasincreasedfrom10.65%to14.61%andtherelativecontentofbenzenesandalkaneswereincresedto12.78%and22.31%respectively.Moreover,theoxygencontentofbio-oilwasdecreasedto6.28%andthehigherheatingvaluewasupto43.56MJ/kg.Theexperimentswouldprovideimportantdatareferenceforthegoalofincreasingthepropertiesofbio-oilbycatalystcontrollingthecomponentsandcontentsofbio-oil.Keywords:biomass;liquefaction;bio-oil;ZSM-5zeolite;catalyst0,。,,,[1],[2]。,,,,,,[3]。,[4]、[5]、[6],[7]、(、、)[8]~[10]。,ZSM-5、,。DOI:10.13941/j.cnki.21-1469/tk.2012.11.012·66·2012,30(11)ZSM-5,Mn/ZSM-5、Ni/ZSM-5,,,,,。11.1试验原料,20,105℃12~24h。1。1.2试验方法1.2.1ZSM-5,。Ni(NO3)2·6H2OMnSO4·H2O0.5mol/L,10gZSM-5,80℃2h,,。120℃,,550℃3h,[8],[11]。S-4800。XRDX-(X’PertPROMPD)。CuKα,40kV40mA,2°/min,3~70°。1.2.210g,5%,50%,20mm,120mm。,60℃/min,350℃,30min,,。1.2.3,,,1[3],[12]。70℃。,35℃,。105℃。。(CHN-O-RAPID,Heracus)C,H,N,:xO=100-(xC+xH+xN+xash)(1):xO,xC,xH,xN,xashO,C,H,N,ash,%。Dulong[13],[14]:HHV(MJ/kg)=[338.2×xC+1442.8×(xH-xO/8)]×0.001(2):xC,xH,xOC,H,O。:=(/)×100%(3)GC-MS-2010-,30m×0.25mm×0.25μm;250℃,40℃,10℃/min250℃,10min;50~650。22.1催化剂的表征2ZSM-5SEM1Table1ElementalcompositionofsoybeanstalkH/CO/CCHON%%%%%MJ/kg42.526.0548.62.716.40CH1.71O0.86N0.0621.710.8614.371Fig.1Productseparationflowchart·67·,生物质直接催化液化的研究3XRD。ZSM-5,,,2θ=6°,24°,MnZSM-5,NiZSM-5,,,,Ni2+,Mn2+ZSM-5,A13+,,XRD[11]。2.2催化剂作用下的生物质直接液化2.2.1、Mn/ZSM-5Ni/ZSM-5、Mn/ZSM-5Ni/ZSM-510.65%,14.61%12.86%,,。23,,,,Mn/ZSM-5,6.28%,43.56MJ/kg,。2.2.2、Mn/ZSM-5Ni/ZSM-5GC-MS、Mn/ZSM-5Ni/ZSM-53GC-MS,4,3。12~27minC13~C24,,10.65%,,,Mn-ZSM-5(2SEMFig.2SEMphotographsofZSM-5beforeandafterion-exchanged。2(a),2(b)2(c)Mn/ZSM-5、Ni/ZSM-5,,,,,MnNiZSM-5。(a)ZSM-5(b)Mn/ZSM-5(c)Ni/ZSM-53XRDFig.3XRDpatternsofZSM-5beforeandafterion-exchanged0204060802θ/(°)0400080001200016000200002400028000Mn/ZSM-5Ni/ZSM-5ZSM-523Table2Elementalanalysisofbio-oilunderthreeconditionsMn/ZSM-5Ni/ZSM-5C/%76.9880.4379.56H/%10.212.1211.47O/%8.846.287.24N/%2.131.321.67CH1.59O0.09N0.024CH1.81O0.06N0.014CH1.73O0.07N0.018H/C1.591.811.73O/C0.090.060.07/MJ·kg-139.1643.5642.15051015202530/min020406080100·68·2012,30(11)22.31%)Ni-ZSM-5(20.27%)。3~11min,,。。3(1),,,,Mn/ZSM-5Ni/ZSM-5。(2)Mn/ZSM-5,Ni/ZSM-5,,,,。(3),,。:[1],,.[J].,2004,25(2):242-248.[2],,.[J].,2006,25(1):8-13.[3].[D].:,2009.[4]LINLZ,YAOYG,YOSHIOKAM,etal.Liquefactionofwoodinthepresenceofphenolusingphosphoricacidasacatalystandtheflowpropertiesoftheliquefiedwood[J].JournalofAppliedPolymerScience,1994,52(11):1629-1636.[5],,,.[J].,2009,28(8):1712-1717.[6]KARAGOZS,BHASKART,MUTOA,etal.EffectofRbandCscarbonatesforproductionofphenolsfromliquefactionofwoodbiomass[J].Fuel,2004,83(17-18):2293-2299.[7]ZHOUD,ZHANGL,ZHANGSC,etal.HydrothermalliquefactionofmacroalgaeEnteromorphaproliferatobio-oil[J].Energy&Fuels,2010,24(7/8):4054-4061.[8],,,.[J].,2009,25(8):210-214.[9],,,.[J].,2009,30(8):1134-1138.[10]DUANPG,SAVAGEPE.Hydrothermalliquefactionofamicroalgawithheterogeneouscatalysts[J].Industrial&EngineeringChemistryResearch,2011,50(1):52-61.[11],,,.ZnMnHZSM-5[J].,2007,7(3):490-495.[12],.[J].,2005,33(2):205-210.[13]QUY,WEIX,ZHONGC.ExperimentalstudyonthedirectliquefactionofCunninghamialanceolatainwater[J].Energy,2003,28(7):597-606.[14]SCHOLZEB,MEIERD.Characterizationofthewater-insolublefractionfrompyrolysisoilpyrolyticlignin.PartI.PY-GC/MS,FTIR,andfunctionalgroups[J].JournalofAnalyticalandAppliedPyrolysis,2001,60(1):41-54.43GC-MSFig.4GC-MSspectraofbio-oilunderthreeconditions051015202530/min020406080100Mn/ZSM-5051015202530/min020406080100Ni/ZSM-533Table3Componentanalysisofbio-oilunderthreeconditions/%16.828.5629.1445.48Mn/ZSM-5/%22.3112.7824.6540.26Ni/ZSM-5/%20.2710.1026.2843.35

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