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Conversion of glucose to lactic acid derivatives with mesoporous Sn-MCM-41 and microporous titanosilicates

AuthorsMurillo, Beatriz; Sánchez, Arantxa; Sebastián, Víctor; Casado, Clara; Iglesia, Óscar de la; López-Ram-de-Víu, Pilar ; Téllez, Carlos; Coronas, Joaquín
Issue Date2014
PublisherJohn Wiley & Sons
CitationJournal of Chemical Technology and Biotechnology 89(9): 1344-1350 (2014)
Abstract[Background]: The production of value-added products from biomass has acquired increasing importance due to the high worldwide demand for chemicals and energy, uncertain petroleum availability and the necessity of finding environmentally friendly processes. This paper reports work on the synthesis of several catalysts for the conversion of glucose to methyl lactate. [Results]: A MCM-41 type mesoporous material containing tin (Si/Sn=55) was developed with a uniform ordered mesoporous structure, high specific surface area and high pore volume. Sn-MCM-41 was tested in three consecutive catalytic cycles to evaluate its reusability giving methyl lactate yields of 43%, 41% and 39%, in each cycle. The slightly reduction in activity could be explained by the reduction in the accessibility of active centers due to the adsorption of reaction products and structural changes. Microporous titanosilicates and MFI-type zeolite ZSM-5 showed a lower catalytic performance, but exfoliated materials gave higher yields of methyl lactate and pyruvaldehyde dimethyl acetal than their respective layered precursors. [Conclusions]: Sn-MCM-41 material showed good results in the conversion of glucose to methyl lactate over three catalytic cycles and exfoliated materials facilitated the access of glucose to the catalytic sites and fast desorption of products. © 2013 Society of Chemical Industry.
Identifiersdoi: 10.1002/jctb.4210
issn: 0268-2575
e-issn: 1097-4660
Appears in Collections:(ISQCH) Artículos
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