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Also, safety aspects would benefit from a significantly-decreased dependency from resupply for long-range missions.
Typical waste-water streams likely to be used for water recovery are:
Problems for recovering water from the various sources by a regenerative system are typically linked to the presence of low molecular weight volatile compounds difficult to remove either by phase-change or by membrane technologies, to the presence of fouling compounds and, in all cases, to the presence of specific microflora susceptible to contaminate the water recovery system.
Conclusions from successive studies dealing with water recovery and undertaken by ESA, have demonstrated the excellent potential of membrane-based technologies for purifying waste waters such as hygiene water and condensation water.Successive studies have been undertaken by ESA-ESTEC which are demonstrating the excellent adaptation of membrane technologies to produce potable/hygiene water from low polluted waste waters such as shower and condensation waters...
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