Issue 12, 2014

Selective glycerol transformations to high value-added products catalysed by aluminosilicate-supported iron oxide nanoparticles

Abstract

Conversion of glycerol to cyclic acetals (with paraformaldehyde, benzaldehyde, furfural and acetone) and to mono-, di- and triacetylglycerides (with levulinic acid) was investigated using a supported iron oxide nanoparticle system of a mesoporous aluminosilicate heterogeneous catalyst (Fe/Al-SBA-15). The effect of various parameters on the reaction, temperature, mol% of catalyst or ratio of glycerol : substrate were studied. An optimization of the reaction conditions carried out with glycerol by means of experimental design methodology showed that a very high glycerol conversion (99%) and high combined selectivity toward di- and triacetylglycerides could be obtained under optimized conditions. All of the acetalisation reactions carried out at 100 °C also gave good to excellent conversions and selectivities to target products, illustrating the potential of Fe/Al-SBA-15 as a highly active, stable and reusable heterogeneous catalyst in glycerol acid-catalysed transformations.

Graphical abstract: Selective glycerol transformations to high value-added products catalysed by aluminosilicate-supported iron oxide nanoparticles

Article information

Article type
Paper
Submitted
02 Jun 2014
Accepted
14 Jul 2014
First published
14 Jul 2014

Catal. Sci. Technol., 2014,4, 4242-4249

Author version available

Selective glycerol transformations to high value-added products catalysed by aluminosilicate-supported iron oxide nanoparticles

C. Gonzalez-Arellano, S. De and R. Luque, Catal. Sci. Technol., 2014, 4, 4242 DOI: 10.1039/C4CY00714J

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