Making beer from urine

#1/8/2016
#Monday

A team of scientists at a Belgian university says that they have created a machine that turns urine into drinkable water and fertilizer using solar energy, a technique which could be applied in rural areas and developing countries. While there are other options for treating waste water, the system applied at the University of Ghent uses a special membrane, is said to be energy-efficient and to be applicable in areas off the the electricity grid. 

Process: the urine is collected in a big tank, heated in a solar powered boiler before passing through the membrane where the water is recovered and nutrients such as potassium, nitrogen and phosphorous are separated. Under the slogan #peeforscience, the team recently deployed the machine at a 10 day music and theatre festival in central Ghent, recovering 1,000 litres of water from the urine of revellers.

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