| 摘要 |
The invention relates to a method for liquefying a hydrocarbon-enriched flow, especially a natural gas flow, the liquefaction of the hydrocarbon-rich flow being carried out against a cascade of two or three coolant mixture circuits. According to the invention, no other flow is involved in the heat exchange (E1, E2) between the hydrocarbon-rich flow (1) to be pre-cooled and the coolant mixture (S3) of the first coolant mixture circuit.
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