In recent years, the dynamic development of the LNG industry has been observed. This is largely due to the transition of many countries from coal-based energy to greener energy. Natural gas is regarded as an intermediate fuel. Natural gas can be transported by pipeline, but in many cases it is more economical to transport it in a liquefied form. The liquefaction process is very energy-consuming, which is why many researchers are focused on optimizing this process. This work is an attempt to optimize the operation of the basic cascade natural gas liquefaction system. The proposed modifications contribute to a significant reduction in the costs of the liquefaction process.
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