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Reliquefaction of cargo vapour with high inert gas content on LPG-LEG carriers.

Author(s) : BREDENG E.

Summary

Large amounts of hydrocarbons are lost to the atmosphere during gas-freezing and inerting of cargo tanks on LPG and LEG carriers. For 1996, the total loss is estimated to maximum 250,000 tonnes of propane-butane, and 25,000 tonnes of ethylene, propylene, butadiene and VCM. By modification of the reliquefaction plant on the LPG-LEG carriers, up to 93% of this loss might be recovered. For a 35,000 m3 LPG carrier, typically 580 tonnes per year of propane might be saved (vaporization of liquid nitrogen).

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Details

  • Original title: Reliquefaction of cargo vapour with high inert gas content on LPG-LEG carriers.
  • Record ID : 1996-1382
  • Languages: English
  • Source: For a Better Quality of Life. 19th International Congress of Refrigeration.
  • Publication date: 1995/08/20
  • Document available for consultation in the library of the IIR headquarters only.

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