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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.

A concept of LSS building for planetary stations is suggested on the basis of experience in the development, research and testing of physical/chemical regenerative LSS for long-duration ground-based bio-technical complexes of habitat support and for orbiting space stations. A gradual transition from integrated physical/chemical regenerative LSS to hybrid integrated physical/chemical and bio-technical LSS and finally to integrated bio-technical regenerative LSS, is suggested. It is shown that at all phases of integrated LSS development, the systems based on physical/chemical processes will be critical for correlating the interfaces between the biological components that process the products obtained in the bio-components, and enabling the vitality of integrated LSS under emergency situations. The interface of integrated LSS with base power supply system is outlined.

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.

A concept of developing a regenerative water management system (RWMS) for first lunar base missions is reviewed. The principal feature of the concept proposed is the maximum possible unification of RWMS for long-duration orbiting station and a lunar base with due regard to possible modification of the hardware for lunar gravity conditions. The paper is based on the expertise in research, development, testing and flight operation of RWMS in Russia. An upgraded RWMS of the International Space Station may be used for first lunar missions.