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http://dx.doi.org/10.9713/kcer.2013.51.5.602

Study on Characteristic of Self-preservation Effect of CO2 Hydrate according to Temperature, Particle Diameter and Shape  

Kim, Yeon-Soo (Greenhouse Gas Department, Korea Institute of Energy Research)
Kang, Seong-Pil (Greenhouse Gas Department, Korea Institute of Energy Research)
Park, So-Jin (Department of Chemical Engineering, Chungnam National University)
Publication Information
Korean Chemical Engineering Research / v.51, no.5, 2013 , pp. 602-608 More about this Journal
Abstract
Gas hydrate studies are attracting attention of many researchers as an innovative, economic and environmentally friendly technology when it is applied to $CO_2$ capture, transport, and storage. In this study, we investigated whether $CO_2$ hydrate shows the self-preservation effect or not, that is the key property for developing a novel $CO_2$ transport/storage method. Especially the degree of self-preservation effect for $CO_2$ hydrate was studied according to the particle size of $CO_2$ hydrate samples. We prepared three kinds of $CO_2$ hydrate samples varying their particle diameter as millimeter, micron and nano size and measured their change of weight at $-15{\sim}-30^{\circ}C$ under atmospheric pressure during 3 weeks. According to our experimental result, the lower temperature, larger particle size, and compact structure for higher density are the better conditions for obtaining self-preservation effect.
Keywords
$CO_2$; Gas Hydrate; Self-preservation; Storage; Transport;
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Times Cited By KSCI : 1  (Citation Analysis)
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