FREEZING DESALINATION MODULE
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United States of America Patent
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Jan 12, 2017
app pub date -
Jul 8, 2015
filing date -
Jul 8, 2015
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Abstract
The freezing desalination module includes a pair of desalination units coupled to a pair of refrigeration units. A pre-cooling tank and a freezing tank is disposed in each desalination unit. A feed line, a desalinated line, and a brine line are coupled to the freezing desalination module to respectively enable feeding of raw feed water (RFW) through the module, collect desalinated water, and remove brine/ice wash for further processing. The RFW in the pre-cooling tank is pre-cooled by a pair of heat exchangers, through which flows cooler desalinated water and the brine/ice wash, respectively. The freezing tank of both desalination units are in communication with the refrigeration units so that as one freezing tank performs freezing, the other is melting. A perforated plate divides each freezing tank into an upper chamber where freezing desalination process occurs and a lower chamber where brine/ice wash collect and feed through the pre-cooling tank.
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