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The paper presents the results of ground and flight (on OSS Mir) tests of an updated purification assembly of the WRS-C system outfitted with a filter-reactor. The tests have proved that the filter-reactor oxidizes effectively basic organic contaminants in humidity condensate including ethyleneglycol to ones that easily undergo sorption, enables the operation of the recovery system in the event of an off-design increase in organic contaminants in condensate and significantly improves the lifetime of the purification assembly. The data obtained confirm a wise selection of the purification assembly hardware for the system for water recovery from humidity condensate WRS-CM for the ISS service module.

A selection of a distillation subsystem with a rotary multistage vacuum distiller (RMVD) and a heat pump (HP) for the system for water reclamation from urine for the international space station is substantiated. The results of computational/experimental analysis of specific energy for distillation with RMVD and HP of different type used are presented. The test results of an experimental system mockup are given. It is shown that the subsystem of a given type is stable in operation, features high condensate processing rate and low specific energy demand.