A Review of Gas Capture and Liquid Separation Technologies by CO 2 Gas Hydrate

Sergey Misyura (), Pavel Strizhak, Anton Meleshkin, Vladimir Morozov, Olga Gaidukova, Nikita Shlegel and Maria Shkola
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Sergey Misyura: Kutateladze Institute of Thermophysics, 630090 Novosibirsk, Russia
Pavel Strizhak: Heat and Mass Transfer Laboratory, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia
Anton Meleshkin: Kutateladze Institute of Thermophysics, 630090 Novosibirsk, Russia
Vladimir Morozov: Kutateladze Institute of Thermophysics, 630090 Novosibirsk, Russia
Olga Gaidukova: Heat and Mass Transfer Laboratory, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia
Nikita Shlegel: Heat and Mass Transfer Laboratory, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia
Maria Shkola: Heat and Mass Transfer Laboratory, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia

Energies, 2023, vol. 16, issue 8, 1-20

Abstract: Gas hydrates, being promising energy sources, also have good prospects for application in gas separation and capture technologies (e.g., CO 2 sequestration), as well as for seawater desalination. However, the widespread use of these technologies is hindered due to their high cost associated with high power consumption and the low growth rates of gas hydrates. Previous studies do not comprehensively disclose the combined effect of several surfactants. In addition, issues related to the kinetics of CO 2 hydrate dissociation in the annealing temperature range remain poorly investigated. The presented review suggests promising ways to improve efficiency of gas capture and liquid separation technologies. Various methods of heat and mass transfer enhancement and the use of surfactants allow the growth rate to be significantly increased and the degree of water transformation into gas hydrate, which gives impetus to further advancement of these technologies. Taking the kinetics of this into account is important for improving the efficiency of gas hydrate storage and transportation technologies, as well as for enhancing models of global climate warming considering the increase in temperatures in the permafrost region.

Keywords: CO 2 hydrate; gas sequestration; desalination; kinetics; greenhouse gases (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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