A liquefaction plant : How does it work? - Gaz de France

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This video shows how a liquefaction plant works.

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The unprocessed natural gas travels from the gas field through underground pipes to the liquefaction plant. The gas is first cleaned of all traces of CO2, water, mercury and sulphur. It is then cooled to -160 °C in cold boxes until it becomes liquid. In this form, it is stored for a few days in huge tanks, ready for loading onto the LNG tanker which arrives every 6 days.