From chip fat to biofuel

By Chemistry World2015-09-10T00:00:00

Solvent-free synthesis converts fatty acids into diesel replacement

Hydrocarbon biofuels made from waste fats and oils, such as leftover cooking oil could help reduce our dependence on fossil fuels. Traditionally, these biofuels are synthesised by transesterifying lipids under harsh alkaline conditions; in addition to generating waste solvent, this technique does not remove enough oxygen, so the products are incompatible with diesel engines. The process also doesn’t work with fatty acids as they become soapy and deactivate the catalyst.

Now, researchers from Singapore and China have developed a cheap and green catalytic system for turning fatty acids into fuel that doesn’t require hydrogen or a solvent.

This article provides a link to coverage by Chemistry World

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