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Transcripción del abstract original del autor: The continuous expansion of LNG trade for now more than three decades has been achieved thanks to the permanent search for cost reduction, mainly using the size effect . To pursue this expansion at the same sustained rate of 6 percent per year, some operators are now seriously considering trains with capacities of 6, 7 or even 8 MTPA. In order to reach such capacities, with always higher efficiency and without adding complexity in the process, it is necessary to depart from the traditional schemes. IFP and Axens have developed the LIQUEFIN process with the aim of producing an LNG cheaper than with any other process, at good conditions of reliability and safety, and more friendly to environment. The process uses simple and reliable technologies, easy to operate and able to cope with isolated or harsh climate regions. With LIQUEFIN, very high capacities can be reached with a simple scheme and standard compressors. LIQUEFIN represents a real breakthrough, the plant capacity can be chosen considering mainly the economics and the marketing possibilities, without being bothered by technical hindrances.