%0 Journal Article
%T DegradationKineticsofXyloseandGlucoseinHydrolysateContainingDiluteSulfuricAcid
%A 亓伟
%A 张素平
%A 许庆利
%A 任铮伟
%A 颜涌捷
%J 过程工程学报
%D 2008
%X Inpreparationoffuelalcoholfrombiomassasfeedstock,hydrolysiswithdiluteacidascatalystisonewaytoproducefermentablesaccharide,xyloseandglucose.However,theacidisalsothecatalystindegradationofxyloseandglucoseandtheyieldofsacchrideisdependentonthekineticbehaviorsofsaccharide.Thedegradationkineticsofxyloseandglucoseinthehydrolysatewasinvestigatedundertheconventionalprocessconditionsofhydrogenionconcentrationfrom0.05to0.2mol/Landtemperaturefrom150to200℃.Withanumericalcalculationmethod,thekineticparameterswereestimated,andtheactivationenergyofxyloseandglucoseinthedegradationreactionwasobtained.Thekineticequationscorrelatingtheeffectofhydrogenionconcentrationontherateconstantsofdegradationreactionwereestablished.Comparisonbetweenthecalculatedresultsfromtheequationsandexperimentalonesprovedthattheestablishedkineticmodelcouldsatisfactorilypredictthedegradationbehaviorofxyloseandglucoseintheacidichydrolysate.
%K biomass
%K dilutesulfuricacid
%K xylose
%K glucose
%K kineticbehavior
%U http://www.jproeng.com/qikan/Cpaper/zhaiyao.asp?bsid=14695