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The paper deals with some aspects and results of research in major processes and hardware of a system for hygiene waste water recovery and its architecture concepts. A principal system schematic and its functions on Mir space station are presented. It is shown that physico-chemical means ensure cost-effective recovery with minimum energy demand and resupply which is particulary important for long-duration space missions.

This paper deals with water reclamation from humidity condensate and urine schematics and processes realized on orbital space stations Salut and Mir. The results of research in updated processes and schematics for condensate separation, purification and distillation with heat energy recovery are described. It is shown that the processes and hardware make possible to reduce energy demand and the weight of the water recovery systems under operation on space stations.

The paper deals with description and results of long-term operation of separation and heat-and-mass transfer hardware incorporated in Mir's water recovery systems. Static separators outfitted with hydrophilic capillary/ porous elements, a rotary separator, a through-flow condenser/static separator combination, a membrane evaporator as well as separation and distillation schematics are reviewed. Operational and life performance data are discussed and recommendations for hardware use on ISS are made.