Astronauts to drink their own urine...!

Astronauts to drink their own urine...!

Aventura : FL : USA | Nov 15, 2008 at 3:38 AM PST
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NASA - Space Shuttle Atlantis STS-117 Un-Docks With the ISS

As NASA prepared to double the number of astronauts living aboard the International Space Station, nothing did more for crew bonding than a machine being launched aboard the space shuttle Endeavour.It's a water-recycling device that will process the crew's urine for communal consumption. According to the blind tests which were conducted the water tastes the same as anyother water other than the fact that it has a faint taste of iodine.

Delivery of the $250 million wastewater recycling gear is among the primary goals of NASA's 124th shuttle mission, which was due to launch at 7.55pm EST on Friday (0055 GMT on Saturday) from the Kennedy Space Center in Florida.

With no technical issues, NASA managers expect the launch team to fuel the shuttle for lift-off, a three-hour operation to pump 500,000 gallons (1.9 million litres) of liquid hydrogen and liquid oxygen into the spaceship's tank for the 8.5-minute climb into orbit.If the shuttle lifts off on time, it would arrive at the space station on Sunday so astronauts could begin 11 to 12 days of home improvements.NASA wants to make sure the water recycling system is working well before adding another three astronauts to the station's crew.

Reusing water will become essential once NASA retires its space shuttles, which produce water as a by-product of their electrical systems. Rather than dumping the water overboard, NASA has been transferring it to the space station.But the shuttle's days are numbered. Only 10 flights remain, including a final servicing call to the Hubble Space Telescope. NASA is preparing to end the program in 2010, after which Russian Soyuz spacecraft will be the only way to ferry crew to the space station.

NASA expects to process about six gallons (23 litres) of water per day with the new device. The goal is to recover about 92 per cent of the water from the crew's urine and moisture in the air.The wastewater is processed using an extensive series of purification techniques, including distillation – which is somewhat tricky in microgravity – filtration, oxidation, and ionization.The final step is the addition of iodine to control microbial growth. The device is intended to process a full day's worth of wastewater in less than 24 hours.

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Astronauts to drink their own urine...!"
Astronauts to drink their own urine...!"
xtraspark is based in Dublin, California, United States of America, and is a Stringer on Allvoices.
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