%0 Journal Article
%T PreparationofHydrogenthroughCatalyticSteamReformingofBio-oil
%A 吴层
%A 颜涌捷
%A 李庭琛
%A 亓伟
%J 过程工程学报
%D 2007
%X Hydrogenwaspreparedviacatalyticsteamreformingofbio-oilwhichwasobtainedfromfastpyrolysisofbiomassinafluidizedbedreactor.Influentialfactorsincludingtemperature,weighthourlyspacevelocity(WHSV)ofbio-oil,massratioofsteamtobio-oil(S/B)aswellascatalysttypeonhydrogenselectivityandotherdesirablegasproductswereinvestigated.Basedonhydrogeninstoichiometricpotentialandcarbonbalanceingaseousphaseandfeed,hydrogenyieldandcarbonselectivitywereexamined.TheexperimentalresultsshowthathighertemperaturefavorsthehydrogenselectivitybyH2molefractioningaseousproductsstreamanditplaysanimportantroleinhydrogenyieldandcarbonselectivity.Higherhydrogenselectivityandyield,andcarbonselectivitywereobtainedatlowerbio-oilWHSV.Incatalyticsteamreformingsystemamaximumsteamconcentrationvalueexists,atwhichhydrogenselectivityandyield,andcarbonselectivitykeepconstant.Throughexperiments,preferentialoperationconditionswereobtainedasfollowstemperature800~850℃,bio-oilWHSVbelow3.0h-1,andmassratioofsteamtobio-oil10~12.TheperformancetestsindicatethatNi-basedcatalystsareoptional,especiallyNi/a-Al2O3effectiveinthesteamreformingprocess.
%K fastpyrolysis
%K bio-oil
%K hydrogen
%K steamreforming
%K Ni-basedcatalys
%K carbonselectivity
%U http://www.jproeng.com/qikan/Cpaper/zhaiyao.asp?bsid=703