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The paper deals with the performance data of the service module Zvezda integrated water supply system of the International Space Station (ISS) as of March 31, 2004. The water supply and demand balance are analyzed. It is shown that water recovery from humidity condensate has been especially important when water delivery by Space Shuttles was terminated. The SRV-K contribution in potable water supply for crew needs was up to 76%. The data of humidity condensate and recovered water compositions are reviewed. The effective cooperation of the international partners on part of life support is shown. Water recovery future prospects are discussed.

The paper reviews the results obtained with a Sievers-820 total organic carbon (TOC) analyzer during ground tests of the Mir water recovery system (WRS). Calibration analysis results for water solution samples of individual compounds, typical of spacecraft atmospheric humidity condensate, and their mixtures are provided. Comparison of the test results to the calculated data and laboratory analyses performed by other methods are made. Analyzer readings are in good agreement with the chemical analyses of initial condensate and recovered water. The analyzer shows promise as an instrument for ground and future onboard spacecraft testing.

The paper deals with the construction and performance data of the service module Zvezda water and oxygen supply systems of the International Space Station (ISS). The performance data at the first 14 months of manned station functioning are provided. The data of humidity condensate and recovered water compositions are reviewed. The water supply and demand balance are analyzed. The system of oxygen generation “Electron-VM” and its functioning results are reviewed. The effective cooperation of the international partners on part of life support is shown.

The paper deals with the performance data of the service module Zvezda water supply and urine collection systems of the International Space Station (ISS) as of December 31, 2002. The water supply and demand balance are analyzed. The data of humidity condensate and recovered water compositions are reviewed. The effective cooperation of the international partners on part of life support is shown.

The paper deals with the construction and performance data of the service module Zvezda water supply system of the International Space Station (ISS). The performance data at an initial phase of manned station functioning are provided. The data on humidity condensate and recovered water composition are reviewed. The water supply and demand balance are analyzed. The effective cooperation of international partners on part of water supply for the crew is shown.

The paper summarizes the six years' experience gained with the ISS water management system during the missions ISS-1 through ISS-14 (since November 2, 2000 through October 31, 2006). The water supply sources, consumption structure and supply balance and balance specifics at various phases of space station operation are reviewed. The performance data of the system for water recovery from humidity condensate SRV-K and urine feed and pretreatment system SPK-U in the Russian orbital segment are presented. The key role of water recovery during space missions and the prospects of regenerative water supply of an interplanetary space station are discussed. The aim of this paper is to summarize the water supply experience and to provide recommendations for a perspective water supply integrated system based on water recovery.