![](http://pinterest.com/pin/create/button/?url=http://trecnews4u.blogspot.com/2014/05/daur-ulang-urin-astronot-untuk-energi.html&media=https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEge-eyws57mS77BqRU6ko6s7E9PeOFgvl7y9MzWTTsUqUwDUDB_c45gb7Tev_kNgo7x6eWmY3MYjgDmnWe_5EwGrM71x2n6TOkwrNkqWN0ErBYfshRvNZYmzFzdk7VrWa_wNs4JCvJOXTFD/s72-c/140409103409-large.jpg&description=...SILAHKAN MENGGUNAKAN " MESIN TRANSLATE "..GOOGLE TRANSLATEÂ DISAMPING KANAN INI............. PLEASE USE ........ " ...){kind=link}
DISAMPING KANAN INI.............
PLEASE USE ........ "TRANSLATE MACHINE" .. GOOGLE TRANSLATE BESIDE RIGHT THIS
..................
Recycling
astronaut urine for energy and drinking water
Recycling
astronaut urine for energy and drinking water
Date:
April 9,
2014
Source:
American Chemical Society
Summary:
On the less glamorous side of space exploration,
there's the more practical problem of waste -- in particular, what to do with
astronaut pee. But rather than ejecting it into space, scientists are
developing a new technique that can turn this waste burden into a boon by
converting it into fuel and much-needed drinking water. Their report could also
inspire new ways to treat municipal wastewater.
...............
On the less glamorous side of space exploration, there's the
more practical problem of waste -- in particular, what to do with astronaut
pee. But rather than ejecting it into space, scientists are developing a new
technique that can turn this waste burden into a boon by converting it into
fuel and much-needed drinking water. Their report, which could also inspire new
ways to treat municipal wastewater, appears in the journal ACS Sustainable Chemistry &
Engineering.
Eduardo
Nicolau, Carlos R. Cabrera and colleagues point out that human waste on
long-term journeys into space makes up about half of the mission's total waste.
Recycling it is critical to keeping a clean environment for astronauts. And
when onboard water supplies run low, treated urine can become a source of
essential drinking water, which would otherwise have to be delivered from Earth
at a tremendous cost. Previous research has shown that a wastewater treatment
process called forward osmosis in combination with a fuel cell can generate
power. Nicolau's team decided to build on these initial findings to meet the
challenges of dealing with urine in space.
They
collected urine and shower wastewater and processed it using forward osmosis, a
way to filter contaminants from urea, a major component of urine, and water.
Their new Urea Bioreactor Electrochemical system (UBE) efficiently converted
the urea into ammonia in its bioreactor, and then turned the ammonia into
energy with its fuel cell. The system was designed with space missions in mind,
but "the results showed that the UBE system could be used in any
wastewater treatment systems containing urea and/or ammonia," the
researchers conclude.
The authors
acknowledge funding from NASA.
Story
Source:
The above
story is based on materials provided by American Chemical Society. Note: Materials may be
edited for content and length.
Journal
Reference:
- Eduardo Nicolau, José J. Fonseca, José A. RodrÃguez-MartÃnez, Tra-My Justine Richardson, Michael Flynn, Kai Griebenow, Carlos R. Cabrera. Evaluation of a Urea Bioelectrochemical System for Wastewater Treatment Processes. ACS Sustainable Chemistry & Engineering, 2014; 2 (4): 749 DOI: 10.1021/sc400342x
Cite This
Page:
American Chemical Society.
"Recycling astronaut urine for energy and drinking water."
ScienceDaily. ScienceDaily, 9 April 2014.
<www.sciencedaily.com/releases/2014/04/140409103409.htm>.
