| http://www.w3.org/ns/prov#value | - The present invention generally relates to a method and an apparatus for the purification and/or the controlled release of water by pervaporation, by passing water vapor contained in air, or liquid water that may contain suspended or dissolved impurities, including but not limited to seawater, brackish water or other kinds of polluted water, through one or more layers of hydrophilic membranes to r
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