Catalytic Conversion Of Glucose Using Tio2 Catalysts

dc.creatorLanziano C.S.
dc.creatorRodriguez F.
dc.creatorRabelo S.C.
dc.creatorGuirardello R.
dc.creatorDa Silva V.T.
dc.creatorRodell C.B.
dc.date2014
dc.date2015-06-25T17:55:27Z
dc.date2015-11-26T14:38:29Z
dc.date2015-06-25T17:55:27Z
dc.date2015-11-26T14:38:29Z
dc.date.accessioned2018-03-28T21:43:33Z
dc.date.available2018-03-28T21:43:33Z
dc.identifier
dc.identifierChemical Engineering Transactions. Italian Association Of Chemical Engineering - Aidic, v. 37, n. , p. 589 - 594, 2014.
dc.identifier19749791
dc.identifier10.3303/CET1437099
dc.identifierhttp://www.scopus.com/inward/record.url?eid=2-s2.0-84899425756&partnerID=40&md5=42cce4b43b2fbf372342b03acf378fec
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/86837
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/86837
dc.identifier2-s2.0-84899425756
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1249594
dc.descriptionGlucose is the most available hexose as it can be obtained from the most abundant and renewable biomass on Earth, cellulose. In addition, glucose can be catalytically transformed into furan derivates such as hydroxymethyl furfural (HMF) and furan dicarboxylic acid (FDCA) which are potential compounds to prepare polymeric materials and biofuels. The catalytic conversion of glucose can proceed via three chemical routes. Firstly, glucose isomerization can produce fructose. Secondly, the dehydration process of glucose to obtain 1,6-anhydroglucose and finally, the dehydration of fructose and small fragments such as glycolaldehyde and dihydroxyacetone through a retro-aldol condensation to obtain HMF [1,2]. It has been shown that basic catalysts are more efficient to convert glucose into fructose. However, acidic properties are also needed to facilitate the dehydration process in order to obtain furan derivates. Titanium oxide catalysts appear to be an appropriate catalyst for an industrial process whereby glucose is converted due to both its acidic and basic properties and its low synthesis cost. Based on this, glucose conversion was studied with a TiO2 catalyst obtained by a sol-gel method. The reactions were performed as a function of reaction time (2, 4, 6, and 8 h) and temperature (393, 403, 413 and 423 K). N2 physisorption analysis revealed a mesoporous structure for the titania with a pore diameter range from 10 to 110 Å, superficial area of 128 m2/g and total pore volume of the 1.7x10-7 m3/g. The structural characterization by XRD showed that the titania was present in the anatase polymorph. The catalytic results showed that the lower temperature and reaction time increases the fructose yield. However, significant amounts of HMF were detected at higher temperatures and reaction time. Copyright © 2014,AIDIC Servizi S.r.l.
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dc.description589
dc.description594
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dc.languageen
dc.publisherItalian Association of Chemical Engineering - AIDIC
dc.relationChemical Engineering Transactions
dc.rightsfechado
dc.sourceScopus
dc.titleCatalytic Conversion Of Glucose Using Tio2 Catalysts
dc.typeActas de congresos


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