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Name of Image: Environmental Control and Life Support System, Water Recovery System
MIX #: 0005604
NIX #: 0005604 MSFC-0005604
Date of Image: 2000-09-01
Category: International Space Station (ISS)
 

Full Description: The Environmental Control and Life Support System (ECLSS) Group of the Flight Projects Directorate at the Marshall Space Flight Center (MSFC) is responsible for designing and building the life support systems that will provide the crew of the International Space Station (ISS) a comfortable environment in which to live and work. This is a close-up view of ECLSS Water Recovery System (WRS) racks. The MSFC's ECLSS Group overseas much of the development of the hardware that will allow a constant supply of clean water for four to six crewmembers aboard the ISS. The WRS provides clean water through the reclamation of wastewaters, including water obtained from the Space Shuttle's fuel cells, crewmember urine, used shower, handwash and oral hygiene water cabin humidity condensate, and Extravehicular Activity (EVA) wastes. The WRS is comprised of a Urine Processor Assembly (UPA), and a Water Processor Assembly (WPA). The UPA accepts and processes pretreated crewmember urine to allow it to be processed along with other wastewaters in the WPA, which removes free gas, organic, and nonorganic constituents before the water goes through a series of multifiltration beds for further purification. Product water quality is monitored primarily through conductivity measurements. Unacceptable water is sent back through the WPA for reprocessing. Clean water is sent to a storage tank. The water must meet stringent purity standards before consumption by the crew. The UPA provided by the MSFC and the WRA is provided by the prime contractor, Hamilton Sundstrand Space Systems, International (HSSSI) from Cornecticut.
(MRPO) MRD/SPD Discipline(s): n/a
(MRPO) Subject Type: n/a
Keywords: Environmental Control and Life Support System, ECLSS, Water Recovery System, WRS, Urine Processor Assembly, UPA, International Space Station, ISS
MSFC Negative Number: 0005604
Reference Number: MSFC-75-SA-4105-2C
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