South Korean toilet turns excrement into power and digital currency

Cho Jae-weon, a South Korean professor at Ulsan National Institute of Science and Technology (UNIST, stands next to a faeces tank at a laboratory

Cho Jae- weon, a South Korean teacher at Ulsan National Institute of Science and Technology (UNIST, stands beside a faeces tank at a lab

Using a toilet can spend for your coffee or purchase you bananas at a university in South Korea, where human waste is being utilized to assist power a structure.

Cho Jae- weon, a metropolitan and ecological engineering teacher at the Ulsan National Institute of Science and Technology (UNIST, has actually developed an environmentally friendly toilet linked to a lab that utilizes excrement to produce biogas and manure.

The BeeVi toilet – a portmanteau of the words bee and vision – utilizes an air pump to send out faeces into an underground tank, lowering water usage. There, microbes break down the waste to methane, which ends up being a source of energy for the structure, powering a gas range, hot-water boiler and strong oxide fuel cell.

“If we think out of the box, faeces has precious value to make energy and manure. I have put this value into ecological circulation,” Cho stated.

An typical individual defecates about 500g a day, which can be transformed to 50 litres of methane gas, the ecological engineer stated. This gas can produce 0.5 kWh of electrical power or be utilized to drive an automobile for about 1.2 km (0.75 miles.

Cho has actually created a virtual currency called Ggool, which suggests honey inKorean Each individual utilizing the environmentally friendly toilet makes 10 Ggool a day.

Students can utilize the currency to purchase items on school, from newly brewed coffee to immediate cup noodles, fruits and books. The trainees can get the items they desire at a store and scan a QR code to pay with Ggool.

“I had only ever thought that faeces are dirty, but now it is a treasure of great value to me,” postgraduate trainee Heo Hui- jin stated at the Ggool market. “I even talk about faeces during mealtimes to think about buying any book I want.”

South Korean toilet turns excrement into power and digital currency.