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IIR document

Properties of seawater with ice slurry use in focus.

Number: pap. ID61

Author(s) : MELINDER Å., IGNATOWICZ M.

Summary

Seawater is the most common fluid on earth and ice generating machines are increasingly used on fishing vessels to produce ice slurry from seawater with up to 60% ice to be poured over the catch. An experiment using this method has recently shown that sensitive fish immersed in ice slurry, when flown from Japan toTaiwan, arrived in better condition than fish chilled by ordinary procedure. In this study, a literature search has been made to establish physical property data of seawater as function of salinity and temperature. Ice slurry properties of seawater have been generated and are presented by means of an enthalpy-phase diagram and related tables with ice concentration, enthalpy change and density. This material confirms that an initial salt content of 2–3 % is optimal and it can help determine the potential for long preservation of catch on board and during transport. As seawater is known to be corrosive, a brief discussion on corrosion factors and problems, the use of corrosion inhibitors and choice of machine and transport materials is included in this paper.

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Pages: 8 p.

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Details

  • Original title: Properties of seawater with ice slurry use in focus.
  • Record ID : 30012376
  • Languages: English
  • Source: 11th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2014). Proceedings. Hangzhou, China, August 31-September 2, 2014.
  • Publication date: 2014/08/02

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