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rsc.org - 7/6/2009

Urine turned into hydrogen fuel

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Whizz electrocatalyst frees the hydrogen from

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21st-century alchemy: Hydrogen from urine
bookofjoe — ... the electrochemical process the urea gets adsorbed on to the nickel electrode surface, which passes the electrons needed to break up the molecule,' Botte told Chemistry World." "Botte believes the technology could be easily scaled-up to generate hydrogen while cleaning up the effluent from sewage plants. 'We do not need to reinvent the wheel as there are already electrolysers being used in different applications.'" More about this potentially world-changing work here and here. Below, Botte with a small-scale working model powered by ...

New Definition for Biofuels: Using Urine to Produce Hydrogen
Eco Geek Latest — ... Hydorgen seems like a logical choice for fuel - it's energy dense and emits only water upon combustion - but upon closer examination we see that it's extremely expensive to make from water, so all the hydrogen in production today is made from fossil fuels. But Gerardine Botte at Ohio University has figured out an easy and efficient way to break the bonds in urea to produce hydrogen. The process consumes roughly one quarter of the energy needed to electrolyze water. And, yes, the world has a fairly plentiful (and renewable) supply of urea. Maybe not enough to power all our cars, ...