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http://dx.doi.org/10.17137/korrae.2018.26.4.5

A Study on Gas Hydrate Replacement Method for Organic Methane Recovery in Ocean Sediment  

Shin, Dong Hyung (Department of Energy and Environmental Engineering, Seoul National University of Science and Technology)
Park, Dae Won (Department of Energy and Environmental Engineering, Seoul National University of Science and Technology)
Publication Information
Journal of the Korea Organic Resources Recycling Association / v.26, no.4, 2018 , pp. 5-10 More about this Journal
Abstract
In this study, the effect of physico-chemical factors (e.g., pressure, electrolyte, and organic matter) in the gas hydrate deposit on CH4-CO2 replacement process was investigated experimentally. The higher initial pressure during gas injection led the higher reaction rate at the first time, but finally it did not. Electrolytes and organic matter have some effects on reforming process after dissociation of gas hydrate. It is expected that further research using real marine sediments with actual gas hydrate will enable the development of technologies applicable to the characteristics of domestic seabed geology. Ultimately, it is expected that it will be possible to recover and utilize methane as an organic resource through application of domestic gas hydrate deposit in the Ulleung Basin, East Sea.
Keywords
Gas hydrate; Replacement; Carbon dioxide; Organic methane; Ocean environment;
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