Putting the P in Power

 All these BBC pages are about one thing: the potential uses of urine.

“A research team at Heriot-Watt University is investigating whether urine could be used as a source of renewable energy.  The scientists have developed a system to test whether it can be used in fuel cells as an alternative to flammable hydrogen or toxic methanol.”

Heriot-Watt University research

“A growing number of scientists have cottoned on to the fact that urine is a source of vital enzymes for medicine, precious minerals like fast-depleting phosphorus, and chemical compounds like urea, which are crucial to the manufacture of fertilisers, plastics and cosmetics and can also be used to make electricity.”

Making electricity from …

“One product that we can be sure of an unending supply is our own urine,” [Dr Ioannis Ieropoulos] said.  “By harnessing this power as urine passes through a cascade of microbial fuel cells (MFCs), we have managed to charge a Samsung mobile phone.”

Charge a mobile phone with …


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