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Theoretical losses in a storage tank in a conventional ASU.

Number: pap. n. 74

Author(s) : NAGAL V.

Summary

The cryogenic storage tanks T-83 and T-80 of argon and oxygen respectively at the 1290 TPD plant at Jamshedpur Tonnage, the ASU under the flagship of Linde India Ltd., were considered for the analysis. The primary losses in the tanks arise due to large thermal gradients across the cryogenic storage vessel, while the flash losses occurring during the transport of pure cryogenic gases from the Linde columns to their respective storage were also considered to be significant. A comparative evaluation of the recondensation system was performed for both the tanks in terms of thermodynamic and economic feasibility and the losses calculated were juxtaposed against the real-time values while the plant was in operational condition. Conclusively, alternate yet secondary sources of losses were identified to account for the deviations in theoretical calculations from the actual losses occurring, and associated engineering solutions were suggested to minimize them.

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Pages: 7 p.

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Details

  • Original title: Theoretical losses in a storage tank in a conventional ASU.
  • Record ID : 30011355
  • Languages: English
  • Source: Cryogenics 2014. Proceedings of the 13th IIR International Conference: Prague, Czech Republic, April 7-11, 2014.
  • Publication date: 2014/04/07

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