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Prospects for the development of LNG technologies in the Russian Federation

DOI: 10.17586/1606-4313-2023-22-1-23-34
UDC 665.632.07

Prospects for the development of LNG technologies in the Russian Federation

Baranov Aleksandr Yu., Sokolova E.V., Ivanov Lev V., Ikonnikova Anastasia Yu.

For citation: Baranov A.Yu., Sokolova E.V., Ivanov L.V., Ikonnikova A.Yu. Prospects for the development of LNG technologies in the Russian Federation. Journal of International Academy of Refrigeration. 2023. No 1. p.23-34. DOI: 10.17586/1606-4313-2023-22-1-23-34

Abstract
The production of liquefied natural gas (LNG) is the fastest-growing sector of the economy of the Russian Federation. By the end of 2022, the total capacity of LNG plants in Russia amounted to almost 35 million tons per year. However, the existing and under-construction production facilities are based on the use of foreign equipment and technologies, which creates a number of problems with their further operation. There is an urgent need to develop domestic technological solutions for the large-scale production of liquefied natural gas. New liquefaction systems designed to produce LNG in the northern regions have already been developed and patented. The most successful project in this area is the Arctic Cascade natural gas liquefaction system, which has already been implemented in practice as part of the Yamal LNG project. However, the replication of this technological scheme is suspended by the owners, as there are significant operational problems. The article provides a comparative analysis of Russian technological schemes with their foreign prototypes. The possibility of further improvement of domestic LNG technologies is shown.

Keywords: liquefied natural gas, LNG, mixed refrigerant, expander cooling stage, Arctic cascade.

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