THERMODYNAMIC ANALYSIS OF THE CLAUDE CYCLE FOR HYDROGEN LIQUIFICATION

Authors

DOI:

https://doi.org/10.15421/jchemtech.v31i3.283742

Keywords:

Clean energy, hydrogen, liquefier, refrigeration, thermodynamic losses, entropy

Abstract

Thermodynamic methods of reducing energy consumption are the most universal and practical. Therefore, the development of new thermodynamic analysis methods is relevant in the world preparing for the transition to the use of only renewable energy sources. This paper presents a new type of diagram that clearly shows the thermodynamic losses in the apparatuses of cryogenic units. The use of the Q-1/T diagram for the thermodynamic analysis of low-temperature cycles is illustrated on the basis of concrete examples. Based on the given thermodynamic analysis, the areas of improvement of the hydrogen Claude cycle are identified for future hydrogen liquefaction plants with optimized energy efficiency. This work focuses on the application of new methods and innovative concepts, which are either readily available. They will allow the implementation in hydrogen liquefaction plants in the near future.

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Published

2023-10-28

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Section

Industrial gases. Chemical engineering