%0 Journal Article
%T rapidconversionofcelluloseto5-hydroxymethylfurfuralusingsingleandcombinedmetalchloridecatalystsinionicliquid
%A hussein
%A abou-yousef
%A el
%A barbary
%A hassan
%A philip
%A steele
%J 燃料化学学报
%P 214-222
%D 2013
%X ？directconversionofcelluloseinto5-hydroxymethylfurfural(hmf)wasperformedbyusingsingleorcombinedmetalchloridecatalystsin1-ethyl-3-methylimidazoliumchloride(cl)ionicliquid.ourstudydemonstratedformationof2-furylhydroxymethylketone(fhmk),andfurfural(ff)simultaneouslywiththeformationofhmf.variousreactionparameterswereaddressedtooptimizeyieldsoffuranderivativesproducedfromcellulosebyvaryingreactiontemperature,time,andthetypeofmetalchloridecatalyst.catalyticreactionbyusingfecl3resultedin59.9%totalyieldoffuranderivatives(hmf,fhmk,andff)fromcellulose.crcl3wasthemosteffectivecatalystforselectiveconversionofcelluloseintohmf(35.6%)withlessconcentrationsoffhmk,andff.improvingtheyieldsoffuransproducedfromcellulosecouldbeachievedviareactionscatalyzedbydifferentcombinationsoftwometalchlorides.furtheroptimizationwascarriedouttoproducetotalfuransyield75.9%byusingfecl3/cucl2combination.crcl3/cucl2wasthemostselectivecombinationtoconvertcelluloseintohmf(39.9%)withtotalyield(63.8%)offuransproducedfromthereaction.thetemperatureandtimeofthecatalyticreactionplayedanimportantroleincelluloseconversion,andtheyieldsofproducts.increasingthereactiontemperaturecouldenhancethecelluloseconversionandhmfyieldforshortreactiontimeintervals(5~20min).
%K microcrystallinecellulose
%K ionicliquids
%K 5-hydroxyfurfural
%K metalchlorides
%U http://rlhxxb.sxicc.ac.cn/CN/abstract/abstract18125.shtml