Turning waste into power
People Fixing the World
00:00
Biogas for Slow Cooking
In a day the hotel throws away about 200 kilos of food stuff. This is then taken around the back of the hotel where there's a huge silver cylinder under a big shed next to the security booth on the kitchen entrance. From the stomach basically the food waste is digested by bacteria that live in there. The bacteria in the vat work a bit like the bacteria in your gut. Over 24 hours they break down to the food waste and turn it into two useful byproducts. A slurry that's stored nearby in a kind of oil jar and gas. Biogas, a mixture of methane and carbon dioxide which is flammable and that gas is piped back into the
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