%0 Journal Article
%T DehydrationofxylosetofurfuralusingaLewisorBr£¿nstedacidcatalystandN2stripping
%A Iker AGIRREZABAL-TELLERIA
%A Cristina GARC¨ªA-SANCHO
%A Pedro MAIRELES-TORRES
%A Pedro Luis ARIAS
%J ´ß»¯Ñ§±¨
%P 1402-1406
%D 2013
%R 10.1016/S1872-2067(12)60599-3
%X £¿TheactivityofLewis(Nb2O5)andBr£¿nsted(Amberlyst70)acidcatalystsforthecyclodehydrationofxylosetofurfuralwasstudied.Thenatureoftheacidityresultedinsignificantchangesinthereactionmechanism.Lewisacidsitespromotetheformationofxylulose,whileBr£¿nstedacidsitesarerequiredtofurtherdehydratethesugartofurfural.Amberlyst70inwater/tolueneat175¡æshowedloweractivitybutgaveahigherfurfuralyield.UsingN2asthestrippingagentconsiderablyimprovedthefurfuralyieldandproductpurityinthestrippedstream.Catalyststabilitywasalsostudied.
%K Lewisacid
%K Br£¿nstedacid
%K Reactionmechanism
%K Xylosedehydration
%K Furfural
%K Nitrogenstripping
%U http://www.chxb.cn/CN/abstract/abstract21021.shtml