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Thermodynamic analysis of the regasification of LNG for the desalination of sea water

โœ Scribed by E.G. Cravalho; J.J. McGrath; W.M. Toscano

Publisher
Elsevier Science
Year
1977
Tongue
English
Weight
468 KB
Volume
17
Category
Article
ISSN
0011-2275

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โœฆ Synopsis

A net zero work system for the recovery of refrigeration available from LNG during regasification is described. The system consists of a heat engine operating between an LNG heat exchanger in which regasification takes place and a sea water heat exchanger in which sea water is cooled to 246 K. A portion of the work output from the heat engine is used to drive a heat pump operating between the atmosphere and another sea water heat exchanger in which a second sea water stream is cooled to 246 K. The remaining portion of the heat engine work is used to separate fresh water from the ice-slurry. Peak fresh water output is approximately 6.7 kg water/kg LNG.

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