Why Queensland sugar cane can be the ‘Exxon of biofuels’

“There’s a lot of other feedstocks that are perfectly acceptable feedstocks, just from a science of conversion [perspective]. [But] If you are going out and gathering up yard waste as a feedstock, there’s a lot of gathering costs.

But Seck now spends most of his time in Mackay, sampling the waste sugar cane spat out the back of the local refinery that is mostly owned by German sugar giant Nordzucker. Less than 0.1 per cent of the fuel burnt by the global aviation sector last year was “sustainable”, but the International Energy Agency believes that will need to rise to 10 per cent by 2030 for the world to achieve net zero carbon emissions by 2050.

Hydrants at Singapore’s Changi Airport now supply fuel that is a mix of conventional jet fuel made by ExxonMobil and sustainable fuels made by Neste. There are currently two methods for making biofuels from cellulosic material such as sugar cane waste: a “biochemical” path that involves the fermentation of sugar into ethanol, and “thermochemical”, where the feedstock is heated and gasified and then reassembled at molecular level.Seck’s process relies on liquid hydrochloric acid to work as a catalyst. Heat is applied in the process, but at lower levels than is typically applied in thermochemical production of biofuels.

Using valuable farmland to produce virtue signalling alternate aviation fuel

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