Jet Fuel From CO2? Breakthrough Could Make Air Travel Carbon Neutral


A new breakthrough could help reduced the carbon footprint of air travel, with the aim to bring emissions by jets to net zero. A team of researchers from Oxford University has successfully managed to turn carbon dioxide (CO2) into jet fuel, though as of now the experiment was performed at a very small scale. As concerns about climate change keep mounting by the day, scientists have been looking into converting CO2 into sustainable, synthetic hydrocarbons fuels for transportation purposes for a few years now. As of now, this reverse engineering has only been experimented in the lab but could be a game-changer when introduced on a larger scale – making air travel carbon neutral.

The team of researchers have discovered a way to use low-cost iron catalysts to convert CO2 in the atmosphere (or directly from emissions of factories) into synthetic jet fuel. The scientists first prepare the Fe-Mn-K (iron-manganese-potassium) catalyst by the organic combustion method (OCM). This catalyst then exhibits a CO2 conversion through hydrogenation to hydrocarbons in the aviation jet fuel range of 38.2 percent and a low carbon monoxide output of 5.6 percent. The conversion reaction also produces other by-products which are important raw materials for the petrochemical industry and are presently also only obtained from fossil crude oil.

In this method, the carbon dioxide extracted from air is employed for conversion and later re-emitted from jet fuels when combusted in flight. Resultantly, the overall effect of this process is a carbon-neutral fuel.

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