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Human urine can be used to reduce pollution
Sunday August 19, 2012 03:53:31 PM,
IANS
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Madrid: Apart from
oceans, soil, rocks and trees, human and animal urine can also
absorb carbon dioxide (CO2) and help reduce pollution, says a
Spanish researcher.
Absorbing CO2 and other greenhouse gases in cities would require
millions of tonnes of some naturally occurring substance. Urine is
produced in large quantities and is close to the pollution hubs of
large cities.
"For every molecule of urea in urine, one mole (a unit to measure
the quantity of a substance) of ammonium bicarbonate is produced
along with one mole of ammonia that could be used to absorb one
mole of atmospheric CO2," said study author Manuel Jimenez
Aguilar, the Journal of Hazardous Materials reports.
After absorbing CO2, another unit of ammonium bicarbonate is
produced, which is in use in China as a nitrogen fertilizer for
the last 30 years.
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