Apparatus for hydrate-based desalination using compound permeable restraint panels and vaporization-based cooling
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United States of America Patent
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Feb 3, 2009
Grant Date -
Mar 6, 2008
app pub date -
May 8, 2007
filing date -
Jun 8, 2006
priority date (Note) -
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Abstract
Desalination apparatus based on porous restraint panels fabricated from a number of different layers of metal, thermoplastic, or other substances are used as sophisticated heat exchangers to control the growth of gas hydrate. The gas hydrate is produced after infusion of liquid hydrate-forming material into water to be treated, which liquid hydrate-forming material can also be used to carry out all the refrigeration necessary to cool seawater to near the point of hydrate formation and to cool the porous restraint panels. Hydrate forms on and dissociates through the porous restraints. The composite restraint panels can also be used in gaseous atmospheres where, for instance, it is desired to remove dissolved water.
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