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Issue 53, 2017, Issue in Progress

Polyoxometalate-MgF2 hybrids as heterogeneous solid acid catalysts for efficient biodiesel production

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Abstract

A series of highly active and stable Keggin heteropolyacid catalysts were prepared through mixing of 12-tungstophosphoric acid (TPA) with magnesium fluoride (MgF2). Among those acidic catalysts, the Mg20F39TPA-1.0 hybrid with moderate acidity (0.96 mmol g−1) and good dispersion of active sites presented pronounced catalytic performance in esterification of oleic acid (up to 95% oleic acid conversion). Particularly, Mg20F39TPA-1.0 was also efficient for the transesterification of Jatropha oil with a high acid value, giving biodiesel in 93% yield. Moreover, the catalyst showed good durability and reusability for at least five consecutive cycles.

Graphical abstract: Polyoxometalate-MgF2 hybrids as heterogeneous solid acid catalysts for efficient biodiesel production

Supplementary files

Article information


Submitted
31 May 2017
Accepted
26 Jun 2017
First published
03 Jul 2017

This article is Open Access

RSC Adv., 2017,7, 33335-33343
Article type
Paper

Polyoxometalate-MgF2 hybrids as heterogeneous solid acid catalysts for efficient biodiesel production

K. Yang, S. Huang, H. Pan, H. Zhang, X. Liu and S. Yang, RSC Adv., 2017, 7, 33335 DOI: 10.1039/C7RA06080G

This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC, provided that the correct acknowledgement is given.

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