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The paper analyzes and summarizes experience in developing and flight operation of the system for potable water recovery from humidity condensate. The system schematic and its hardware are reviewed. The system performance data on Salut and Mir space stations are presented. Succession to the development of a similar system for the International Space Station (ISS) service module is shown.

The paper describes the hardware for potable water produced by processing condensate from reusable spacecraft fuel cells. Gaseous and dissolved hydrogen and alkali are removed from condensate by a sorption/catalytic method under atmospheric pressure. The hardware may be used on spacecraft outfitted with fuel cell-based power plants.