Browse Publications Technical Papers 2000-01-2388
2000-07-10

Water Recovery in Space Development of a Membrane Based Water Treatment Process for Long Range Missions 2000-01-2388

In the absence of recycling, water represents over 90% of the life-support consumables for a human spacecraft. In addition, over 90% of the waste water generated can be classified as either moderately or slightly contaminated (e.g. shower water, condensate from the air-conditioning system, etc..) The ability to recover potable water from moderately contaminated waste water hence enables significant savings to be made in resupply costs. A development model of such a water-recovery system, based on membrane technology, has been produced and tested using ‘real waste water’ based on used shower water. Results indicate some 95% recovery of potable water meeting European Space Agency (ESA) standards, with total elimination of microbial contaminants such as bacteria, spores and viruses.
A second phase focused on improving the functioning of the breadboard and to test it in a long duration test (5-6 months).

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