South Korean toilet turns excrement into power and digital currencyUsing a toilet can pay for your coffee or buy you bananas at a university in ...

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South Korean toilet turns excrement into power and digital currencyUsing a toilet can pay for your coffee or buy you bananas at a university in ...
South Korean toilet turns excrement into power and digital currency
Using a toilet can pay for your coffee or buy you bananas at a university in South Korea, where human waste is being used to help power a building.

Cho Jae-weon, an urban and environmental engineering professor at the Ulsan National Institute of Science and Technology (UNIST), has designed an eco-friendly toilet connected to a laboratory that uses excrement to produce biogas and manure.

The BeeVi toilet - a portmanteau of the words bee and vision - uses a vacuum pump to send faeces into an underground tank, reducing water use. There, microorganisms break down the waste to methane, which becomes a source of energy for the building, powering a gas stove, hot-water boiler and solid oxide fuel cell.

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https://www.reuters.com/world/asia-pacific/south-korean-toilet-turns-excrement-into-power-digital-currency-2021-07-09

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