Method and plant for re-gasification of lng

F - Mech Eng,Light,Heat,Weapons – 17 – C

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F17C 9/04 (2006.01)

Patent

CA 2656497

A method for re-gasification of LNG in which method natural gas is combusted in a burner to provide heat for evaporation of the LNG and where the heat is transferred from the burner to the LNG in a closed heat exchange system, wherein substantially pure oxygen is used in the combustion of natural gas, and that CO2 is separated from the exhaust gas for export or deposition, is described. A plant for re-gasification of LNG, the plant comprising a gas fired burner (14) for generation of heat for the re-gasification, a closed heat exchange system (5, 17,25) for transfer of heat from the burner to LNG to be vaporized, the plant additionally comprising a air separation unit (10) for generation of substantially pure oxygen to be fed to the burner (14), is also described.

L'invention concerne un procédé de re-gazéification de gaz naturel liquéfié (GNL), dans lequel du gaz naturel est brûlé dans un brûleur de manière à générer de la chaleur pour évaporer le GNL, et dans lequel la chaleur est transférée du brûleur au GNL dans un système d'échange de chaleur fermé, de l'oxygène sensiblement pur étant utilisé pour la combustion du gaz naturel, et le CO2 étant séparé du gaz d'échappement pour l'exportation ou le dépôt. L'invention concerne en outre une installation de re-gazéification de GNL, l'installation comprenant un brûleur au gaz (14) pour générer de la chaleur pour la re-gazéification, un système d'échange de chaleur fermé (5, 17, 25) pour transférer de la chaleur du brûleur au GNL à évaporer, l'installation comprenant en outre une unité de séparation d'air (10) pour générer de l'oxygène sensiblement pur à amener au brûleur (14).

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