新鲜生物质催化热解气化制富氢燃料气的试验研究

315Vol.31No.5200610JOURNALOFCHINACOALSOCIETYOct.2006:0253-9993(2006)05-0649-051,1,2,1(,232001;,221008):TG/DTA/GCK2CO3,Na2CO3,ZnCl2CaO,.:,H2;K2CO3,Na2CO3,ZnCl2H2;ZnCl2CH4,CaOCH4;H2,K2CO3Na2CO320%,H255%.:;;;;TG/DTA/GC:Q67:A:2005-12-26:(50474056);(2004kj124);(2004jq144):(1969-),,,,.Tel:[phone],E-mail:ffmin@aust1edu1cnTrialstudyoncatalyticpyrolysisgasificationoffreshbiomasstoproducehydrogenrichgasMINFan2fei1,ZHANGMing2xu1,CHENQing2ru2,CHENMing2qiang1(11DepartmentofMaterialScienceandEngineering,AnhuiUniversityofScienceandTechnology,Huainan232001China;21SchoolofChemicalEngi2neering,ChinaUniversityofMiningandTechnology,Xuzhou221008,China)Abstract:CatalyticpyrolysisgasificationoffreshcornstrawandwheatstrawforproductionofrichhydrogengaswerecarriedoutbyTG/DTA/GCtechnologyintheatmosphereofN2withpotassiumcarbonate,sodiumcarbonate,zincchlorideandcalciumoxideascatalyst,respectively.Theinfluenceofthekindsofcatalystandthecatalystweight/biomassweightratiosonthecomponentsofthegasyieldsandtheirchangeofpyrolysisgasificationoffreshbiomasswasanalyzed.Theresultsindicatethattheadditionofcatalystsmaketheyieldsofdifferentgasoffreshbio2masspyrolysisgasificationredistributing,andincreasingtheyieldsofH2,especiallywhenpotassiumcarbonate,so2diumcarbonateorzincchlorideisadded,zincchloridecanrestrainproducingofCH4,calciumoxidecanimproveproducingofCH4,increasingcatalystsweight/biomassweightratioresultinincreasingofyieldsofH2,andtheyieldsofH2isabout55%whenpotassiumcarbonateorsodiumcarbonateweight/biomassweightratioisabout20%.Keywords:freshbiomass;pyrolysisgasification;catalyst;hydrogenrichgas;TG/DTA/GC,.,.©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[15].,,[79].,[9,10],L.Garcia[1114]Ni/Al,S.Rapagn[15],,H2.(,),,..1(1)(wheatstraw,WS)(cornstraw,CS).1.1Table1Proximateanalysisandultimateanalysisoffreshcornstrawandwheatstraw%MtAadVadFCadw(Cad)w(Had)w(Nad)w(Oad)w(St,ad)WS341361012967114131393919061020121531770110CS37195914674112111964117761080135511770103(2):CaO()K2CO3()Na2CO3(),8004h,ZnCl2().(3)TASDT2960GC7890T..SDT[phone])mg1mm;,50mL/min,20min;30/min,800;,600.:TCD,TDX-01,3mm2000mm,100,120,,3mL,120,90mV,(991999%),40mL/min.CO2,CO,H2,CH4,C2H4,C2H6[1116,17].C2H4,C2H6,,CO2,CO,H2,CH4.CO2,CO,H2,CH44100%,[18,19].2211410%,.2.056©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[18],K2CO3Na2CO3CC,,K2CO3Na2CO3;4,CaOH2,CaO,,,,;CH4.2121,2.1,K2CO3,WSH2,CO,CH4,CO2;K2CO3020%,H26180%51132%.Na2CO3,WSH2;CO,CH4,CO2;Na2CO3020%,H26180%53116%.ZnCl2,WS156©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[18];K2CO3,H2;ZnCl2,CH4,ZnCl2CH4;CaO,CH4,CaOCH4,.3(1)4H2.(2)ZnCl2CH4,H2.(3)K2CO3Na2CO3,CO.(4),CaOH2,CH4.(5)K2CO3Na2CO3,H2,20%,H251%;ZnCl2,CH4;CaO,CH4.256©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[1]AgblevorFA,BeslerS,WiselogelAE.Fastpyrolysisofstoredbiomassfeedstocks[J].Energy&Fuels,1995(9):635640.[2]BridgwaterAV.Renewablefuelsandchemicalsbythermalprocessingofbiomass[J].ChemicalEngineeringJournal,2003,91:87102.[3]DemirbasA.Yieldsofhydrogen2richgaseousproductsviapyrolysisfromselectedbiomasssamples[J].Fuel,2001,80:18851891.[4]SamiM,NnamalaiKA,WooldridgeM.Co2firingofcoalandbiomassfuelblends[J].ProgressinEnergyandCombustionScience,2001,27:171214.[5],,,.CO2[J].,2000(1):4044.[6],,,.21[J].,2001(5):3538.[7],.[M].:,2003.[8],,.[M].:,2003.[9],,,.[J].,2002,25(7):3236.[10],,,.[J].,2003,4(11):3134.[11]GarciaL,SalvadorML,ArauzoJ,etal.Catalyticsteamgasificationofpinesawdust,effectofcatalystweight/biomassflowrateandsteam/biomassratiosongasproductionandcompostion[J].Energy&Fuels,1999,13:851859.[12]GarciaL,FrenchR,CzernikS,etal.Catalyticsteamreformingofbio2oilsfortheproductionofhydrogen:effectsofcatalystcomposition[J].AppliedCatalysisA:General,2000,201:225239.[13]GarciaL,SalvadorML,ArauzoJ,etal.CO2asagasifyingagentforgasproductionfrompinesawdustatlowtemperaturesusingaNi/Alcoprecipitatedcatalyst[J].FuelProcessingTechnology,2001,69:157174.[14]Martinez