2021
DOI: 10.3389/fenrg.2021.760235
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Effect of Gas Exchange Interval on CH4 Recovery Efficiency and Study of Mechanism of CH4 Hydrate Replacement by CO2 Mixture

Abstract: As an environment-friendly natural gas hydrate exploitation method, CO2 replacement method can not only achieve the purpose of mining natural gas hydrate, but also store the current greenhouse gas CO2 in the form of hydrate on the seabed, and maintain the stratum stability of hydrate deposit area. In order to improve the rate and efficiency of CH4-CO2 replacement reaction, researchers proposed to use CO2 contained gas mixture instead of pure CO2 to replace CH4 in natural gas hydrate. Based our previous work ab… Show more

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Cited by 3 publications
(1 citation statement)
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“…Using concentrated electrolytes and low temperatures for a CO 2 reduction reaction (CO2RR) is another avenue to increase CO 2 solubility. Up to a point, the addition of salts to water lowers the freezing point, which means that electrocatalytic reactions can be carried out in the liquid phase at sub-zero temperatures [21][22][23][24][25].…”
Section: Introductionmentioning
confidence: 99%
“…Using concentrated electrolytes and low temperatures for a CO 2 reduction reaction (CO2RR) is another avenue to increase CO 2 solubility. Up to a point, the addition of salts to water lowers the freezing point, which means that electrocatalytic reactions can be carried out in the liquid phase at sub-zero temperatures [21][22][23][24][25].…”
Section: Introductionmentioning
confidence: 99%