Publication Type Journal Article
Title Highly active organosulfonic aryl-silica nanoparticles as efficient catalysts for biomass derived biodiesel and fuel additives
Authors Andreia F. Peixoto Mohamed M. A. Soliman Tania V. Pinto Sonia M. Silva Paula Costa Elisabete C.B.A. Alegria C Freire
Groups CCC
Journal BIOMASS \& BIOENERGY
Year 2021
Month
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Volume 145
Number
Pages
Abstract Post-grafting methodologies were used to prepare aryl-organosulfonic acid functionalized silica nanoparticles (SO3H-aryl-SiO(2)NPs) as highly active heterogeneous acid catalysts for catalytic esterification of free fatty acids (FFA) and levulinic acid (LA), and aldol condensation of furfural with 3-methylfuran, well known renewable feedstocks for biodiesel and fuel additives production. The chemical and structural characterization of the SO3H-aryl-SiO(2)NPs confirmed the success of the functionalization. Complete conversion for all FFA was observed using SO3H-aryl-SiO(2)NPs after 2 h of reaction. SiO(2)NPs\_CSPTMS showed to be the most active and stable catalyst with no significant loss of activity in the first 5 cycles. In the LA esterification in the presence of an alcohol, complete conversion and selectivity and high reusability were observed (e.g., 83.2\% yield after 10 cycles in the presence of 1-propanol, SiO(2)NPs10\_CSPTMS, at 120 degrees C and 2h reaction). Finally, aldol condensation of furfural and 3-methylfuran had been performed using SiO(2)NPs\_CSPTMS catalysts with almost 100\% yield after 10 min at 65 degrees C, high stability and reusability for 7 catalytic cycles. In general, the prepared SO3H-aryl-SiO(2)NPs have demonstrated promising catalytic performance for transformation of biomass-derived feedstocks into biodiesel and fuel additives.
DOI http://dx.doi.org/10.1016/j.biombioe.2020.105936
ISBN
Publisher
Book Title
ISSN 0961-9534
EISSN 1873-2909
Conference Name
Bibtex ID WOS:000618053400008
Observations
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