Identifying the active phase in Cs-promoted MgO nanocatalysts for triglyceride transesterification

Woodford, J, Parlett, C, Dacquin, J, Cibin, G, Dent, A, Montero, J, Wilson, K and Lee, A 2014, 'Identifying the active phase in Cs-promoted MgO nanocatalysts for triglyceride transesterification', Journal of Chemical Technology and Biotechnology, vol. 89, no. 1, pp. 73-80.


Document type: Journal Article
Collection: Journal Articles

Title Identifying the active phase in Cs-promoted MgO nanocatalysts for triglyceride transesterification
Author(s) Woodford, J
Parlett, C
Dacquin, J
Cibin, G
Dent, A
Montero, J
Wilson, K
Lee, A
Year 2014
Journal name Journal of Chemical Technology and Biotechnology
Volume number 89
Issue number 1
Start page 73
End page 80
Total pages 8
Publisher Wiley
Abstract Background Biodiesel is a clean‐burning, renewable and biodegradable diesel fuel substitute derived from animal fats and plant oils, which may play an important role in replacing diminishing fossil fuel reserves and combating climate change. Conventional biodiesel production uses soluble base catalysts, such as Na or K alkoxides, to convert oils into fuel, and as a result requires energy intensive aqueous quench cycles to isolate the biodiesel product. Results Cs‐doping nanoparticulate MgO, prepared via a novel, supercritical solgel method, yields a solid base catalyst with improved activity for the transesterification of pure triacylglycerides (TAGs) and olive oil. Conclusion Here, X‐ray absorption spectroscopy (XAS) is used to probe the local chemical environment of Cs atoms in order to identify the nature of the catalytically active species as Cs2Mg(CO3)2(H2O)4.
Subject Catalysis and Mechanisms of Reactions
Keyword(s) Biodiesel
Cs
MgO
Solid base
XAS
DOI - identifier 10.1002/jctb.4098
Copyright notice © 2013 Society of Chemical Industry.
ISSN 0268-2575
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