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Liquefied natural gas revaporisation using CO2 as the working fluid.

Author(s) : GIGIEL A., JESSOP C., BLACKHURST D.

Summary

The predominant method of revaporising liquefied natural gas consumes fuel which could otherwise be sold. This consumption of fossil fuel and the consequent release of greenhouse gas are avoidable because naturally-sourced ambient heat (extracted from sea water) could be used instead. However, seawater itself is not an ideal medium for transferring the ambient heat to the point of use. A phase-change thermosiphon is proposed as an alternative heat conduit and CO2 is suggested as the preferred working fluid. The possibility of exploiting the temperature difference between the heat source and sink to generate power is introduced and the benefits offered by superheating the working fluid vapour are discussed.

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Pages: ICR07-A2-1588

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Details

  • Original title: Liquefied natural gas revaporisation using CO2 as the working fluid.
  • Record ID : 2007-2436
  • Languages: English
  • Source: ICR 2007. Refrigeration Creates the Future. Proceedings of the 22nd IIR International Congress of Refrigeration.
  • Publication date: 2007/08/21

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