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Low-pressure liquid CO2 terminal – a model study of the loading of a liquid CO2 tanker.

Number: 150

Author(s) : TRAEDAL S., MONTANES R. M., SNUSTAD I., BERSTAD D.

Summary

In this work we present a dynamic model of a full-scale low-pressure liquid CO2 ship terminal operating at 7.0 bar(a). The envisioned CO2 terminal is of a scale relevant for carbon capture and storage, with a land terminal capacity of 30,000 m3 distributed on 6 tanks, and a ship cargo capacity of 25,000 m3 distributed on 5 tanks. Liquid CO2 loading is simulated from the onshore tanks to the ship tanks, including vapour return and purge. The simulations, including ramp-up to nominal transfer rate, steady-state transfer and subsequent ramp-down, are initiated with different initial values for ship tank temperatures to investigate peak vapour return rates and the vapour amounts that must be handled during the cool-down and transfer period. High initial tank temperatures will temporarily cause additional evaporation of liquid CO2, which in turn must be returned ashore and/or vented to the atmosphere to avoid pressure build-up, influencing terminal design and operation.

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Details

  • Original title: Low-pressure liquid CO2 terminal – a model study of the loading of a liquid CO2 tanker.
  • Record ID : 30031067
  • Languages: English
  • Source: Proceedings of the 17th IIR International Conference on Cryogenics, Desden, Germany, april 25-28 2023
  • Publication date: 2023/04/25
  • DOI: http://dx.doi.org/10.18462/iir.cryo.2023.0150

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