In this paper, the experimental researches on replacement of CH4 in the hydrate by use of CO2 reported by researchers both at home and abroad are summarized and analyzed, and the advantages and disadvantages of this method on natural gas production from hydrate is discussed. The latest progresses of CH4 replacement experiment with gaseous CO2, liquid CO2 and CO2 emulsion are present, and the superiority of CO2 emulsion on replacement of CH4 is emphasized. Moreover, the latest experimental research on preparation of CO2 emulsion is introduced, and the key technologies on the replacement of CH4 hydrate with different states of CO2 are indicated.
- Ocean, Offshore and Arctic Engineering Division
A Review on Experimental Research on Natural Gas Production From the Hydrate With CO2
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Xu, K, Zhao, J, Liu, D, Song, Y, Liu, W, Xue, K, Ye, C, & Zhu, Y. "A Review on Experimental Research on Natural Gas Production From the Hydrate With CO2." Proceedings of the ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering. Volume 7: Ocean Space Utilization; Ocean Renewable Energy. Rio de Janeiro, Brazil. July 1–6, 2012. pp. 137-142. ASME. https://doi.org/10.1115/OMAE2012-84047
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