A variety of feedstocks exist and several processes have been developed to produce alternative diesel fuels from triacylglycerol-based materials such as plant and algal oils as well as animal fats and used cooking oils.  Biodiesel is obtained by transesterifying a triacylglycerol feedstock with an alcohol, usually methanol, to give the corresponding alkyl esters with glycerol as co-product.  A fuel best termed renewable diesel is derived by a hydrodeoxygenation reaction to give a fuel consisting largely of alkanes as they are found in petroleum-based diesel fuel.  A third approach is decarboxylation of fatty acids to give a mixture of alkene isomers.  Production, composition and properties of the three fuels are evaluated including consideration of the effect of different feedstocks on these aspects. <br/>

Triacylglycerol-based fuels:  An evaluation

255th National Meeting (2018)

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