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Urine electrolysis - 95 per cent less energy than water electrolysis
Fuel Cells, Sep 03 2009 (The Hydrogen Journal)
- Researchers at the University of Ohio have developed an electrolytic cell containing ammonia, which can be electrolysed using 95 per cent less energy than it takes to electrolyse water.
The idea is that the system could be used on waste water containing human and animal urine - because a large part of urine is ammonia.
In the US, there is estimated to be over 5m tons of ammonia entering waste water stream every year in human and animal urine.
The University's Electrochemical Engineering Research Laboratory has a $2.23m grant from the US government to adapt the technology for military use.