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Pore size tuning of functionalized SBA-15 catalysts for the selective production of furfural from xylose

Paper ID Volume ID Publish Year Pages File Format Full-Text
46418 46439 2012 10 PDF Available
Title
Pore size tuning of functionalized SBA-15 catalysts for the selective production of furfural from xylose
Abstract

Furfural (FUR) is widely used as an industrial solvent and can be potentially used as building-block to produce added-value products, such as methyltetrahydrofuran (MeTHF) or levulinic acid. It is currently manufactured from pentosan-rich biomass via steam-stripping under homogeneously catalyzed conditions. Alternatives focus on novel process optimization or on the design of heterogeneous water-tolerant Brönsted acids. In this work, functionalized SBA-15 catalysts with controlled textural properties were prepared in order to study their performance during xylose cyclodehydration. The combination of these two procedures allowed to selectively produce FUR from xylose. Preliminary catalyst screening at 140 °C showed a FUR selectivity maxima for the material aged at 100 °C. Moreover, the results revealed a direct influence of the sulfonic load and the reaction temperature on the catalytic performance of SBA-15 samples. Promising results were achieved for the propylsulfonic SBA-15 aged at 100 °C, since it could optimize the FUR yield up to 82% at 170 °C of reaction temperature. Finally, the stability of the catalysts in different solvents and their regeneration were also evaluated.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Functionalized SBA-15 are promising materials for the dehydration of xylose to furfural. ► Furfural was selectively produced by varying the textural properties of propylsulfonic SBA-15. ► Maximum furfural yield of 82% for materials aged at 100 °C and reaction temperature of 170 °C. ► Propylsulfonic acid sites show high stability in DMSO but lower in water.

Keywords
Furfural; Xylose-dehydration; Functionalized; SBA-15; Aging
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Pore size tuning of functionalized SBA-15 catalysts for the selective production of furfural from xylose
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volumes 115–116, 5 April 2012, Pages 169–178
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us