NATURAL GAS LIQUEFACTION PROCESS

The invention relates to a natural gas liquefaction process and particularly to one suited to use offshore. The invention provides a natural gas liquefaction apparatus wherein a carbon dioxide based pre-cooling circuit is provided in a cascade arrangement with a main cooling circuit. The invention a...

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Bibliographic Details
Main Authors PAUROLA, PENTTI, FREDHEIM, ARNE OLAV
Format Patent
LanguageEnglish
French
Published 22.09.2009
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Summary:The invention relates to a natural gas liquefaction process and particularly to one suited to use offshore. The invention provides a natural gas liquefaction apparatus wherein a carbon dioxide based pre-cooling circuit is provided in a cascade arrangement with a main cooling circuit. The invention also extends to a natural gas liquefaction apparatus wherein a main cooling circuit uses as a refrigerant a gas stream, at least a portion of which is derived from a raw natural gas source.
Bibliography:Application Number: CA20012402526