Cross-metathesis of microbial oils for the production of advanced biofuels and chemicals


Chuck, C., 2015. Cross-metathesis of microbial oils for the production of advanced biofuels and chemicals. University of Bath. https://doi.org/10.15125/BATH-00083.


Dataset abstract

A range of microbial oils were cross-metathesized with ethene using Hoveyda-Grubbs 2nd generation catalyst. The products formed from the microbial oils were compared to alternative first and second generation oils. Upon separation, three separate fractions were produced: an alkene hydrocarbon fraction or aviation fuel fraction (AFF), a shorter chain triglyceride fraction that upon transesterification was suitable as a road transport fuel (RTF) and a volatile short-chain alkene fraction (gas phase fraction, GPF). The fuel fractions were purified through distillation and compared to the relevant fuel standards. Though there was variation for the road transport fuel fraction due to the presence of long chain saturates, all the RTF produced fell within the ASTM standard for biodiesel. The AFF was found to be highly suitable for aviation, falling entirely within the DEF-STAN fuel standard. In addition the AFF possessed a higher energy density than Jet A-1 while 1-decene was found to have a higher oxidative stability than jet fuel. Finally, the GPF was found to predominantly contain propene, butene and pentadiene isomers, all of which have application in the polymer industry. With further development, this process could provide the basis for a microbial oil biorefinery for the production of sustainable biofuels and polymer precursors.

Title: Cross-metathesis of microbial oils for the production of advanced biofuels and chemicals
Departments: Faculty of Engineering & Design > Chemical Engineering
DOI: https://doi.org/10.15125/BATH-00083
URI: http://researchdata.bath.ac.uk/id/eprint/83
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