Journal of Mechanical Science and Technology

The Korean Society of Mechanical Engineers (대한기계학회)
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Dissolution Behavior and Hydrate Effect on $CO_{2}$ Ocean Sequestration

  • Kim Nam Jin (Mechanical Engineering Research Institute, Inha University) ;
  • Kim Chong Bo (Department of Mechanical Engineering, Inha University)
  • Published : 2005.05.01
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Abstract

$CO_{2}$ ocean sequestration is one of the promising options to reduce $CO_{2}$ concentration in the atmosphere because the ocean has vast capacity for $CO_{2}$ absorption. Therefore, in the present investigation, calculations for solubility and dissolution behavior of liquid $CO_{2}$ droplets released at 1000 m and 1500 m deep in the ocean from a moving ship and a fixed pipeline have been carried out in order to estimate the $CO_{2}$ dissolution characteristics in the ocean. The results show liquid $CO_{2}$ becomes bubble at around 500 m in depth, and the solubility of seawater is about $5{\%}$ less than of pure water. Also, it is shown that the injection of liquid from a moving ship is a more effective method for dissolution than from a fixed pipeline, and the presence of hydrate on liquid $CO_{2}$ acts as a resistant layer in dissolving liquid $CO_{2}$.

Keywords

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