Powered my yogurt! Expected to become a fuel for aircraft

According to the British "Daily Mail" reported on December 13, Greek yogurt is expected to become a sustainable source of fuel for aircraft. The researchers found that whey, a waste product produced during the production of yoghurt, can be converted into a raw material for biofuels and feed additives.


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Whey consists mainly of lactose, fructose, and lactic acid. The addition of bacteria to the mixture enables the extract to contain the beneficial compounds caproic acid and caprylic acid. These two compounds are called "green antibacterial agents" and can be added to livestock feed to replace standard antibiotics. Further adding more carbon can produce an "embedded" fuel that can be blended into jet fuel.

Dr. Lars Angenent, a principal researcher at Cornell University, said that although the agricultural market is smaller than the fuel market, its carbon footprint is very large. He pointed out that the conversion of acid whey into edible raw materials is an important demonstration of the closed loop that is needed in today’s sustainable society. For the next step, Dr. Angelo Nent said: “We also need to further optimize the extraction process and expand the scale in the most economical way. At the same time, we can learn more about the nature of microorganisms and related biology, and study whether this technology can Applied to other waste streams." (Practice compilation: Li Yao reviewer: Li Zongze)

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