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Production de gaz de synthèse sur les installations en mer : fourniture d'oxygène et opportunités d'intégration dans les technologies utilisées pour convertir les gaz en liquides.

Generation of synthesis gas off-shore: oxygen supply and opportunities for integration with GTL technologies.

Auteurs : KALBASSI M. A., BROWN D. M., ARMSTRONG P. A.

Résumé

The significant global gas reserves available seem vastly under-utilized. A new market for gas is required that is not limited by market size or transportation factors. The conversion of natural gas to synthetic fuels such as Fischer-Tropsch "white crude" offers such an alternative route. This recent application has become classed as the gas-to-liquids (GTL) option. Other liquid products include methanol for either chemical or fuel use, and possibly, dimethyl ether which is proposed as a clean diesel alternative. Current syngas generating technologies invariably require oxygen. The author presents the main challenges for oxygen production with large air separation units on ships relate to the design and operation of such plants to maintain production under the swaying motion experienced on board a ship located in the open sea, especially the special safety features required for an application involving fuel, oxidant, ignition sources and personnel in close proximity. The authors conclude by saying that today's cryogenic air separation units are technicaly viable for off-shore production of oxygen and that the safety and design considerations, whilst critical, can be adequately dealt with.

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Pages : 1998-3

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Détails

  • Titre original : Generation of synthesis gas off-shore: oxygen supply and opportunities for integration with GTL technologies.
  • Identifiant de la fiche : 1999-2715
  • Langues : Anglais
  • Sujet : Généralités
  • Source : Cryogenics '98. Proceedings of the Fifth Cryogenics Conference.
  • Date d'édition : 12/05/1998
  • Document disponible en consultation à la bibliothèque du siège de l'IIF uniquement.

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