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$CO_2$ Transport for CCS Application in Republic of Korea  

Huh, Cheol (Marine Safety & Pollution Response Research Department, Korea Ocean Research & Development Institute)
Kang, Seong-Gil (Marine Safety & Pollution Response Research Department, Korea Ocean Research & Development Institute)
Cho, Mang-Ik (Marine Safety & Pollution Response Research Department, Korea Ocean Research & Development Institute)
Publication Information
Journal of the Korean Society for Marine Environment & Energy / v.13, no.1, 2010 , pp. 18-29 More about this Journal
Abstract
Offshore subsurface storage of $CO_2$ is regarded as one of the most promising options to response severe climate change. Marine geological storage of $CO_2$ is to capture $CO_2$ from major point sources, to transport to the storage sites and to store $CO_2$ into the offshore subsurface geological structure such as the depleted gas reservoir and deep sea saline aquifer. Since 2005, we have developed relevant technologies for marine geological storage of $CO_2$. Those technologies include possible storage site surveys and basic designs for $CO_2$ transport and storage processes. To design a reliable $CO_2$ marine geological storage system, we devised a hypothetical scenario and used a numerical simulation tool to study its detailed processes. The process of transport $CO_2$ from the onshore capture sites to the offshore storage sites can be simulated with a thermodynamic equation of state. Before going to main calculation of process design, we compared and analyzed the relevant equation of states. To evaluate the predictive accuracies of the examined equation of states, we compare the results of numerical calculations with experimental reference data. Up to now, process design for this $CO_2$ marine geological storage has been carried out mainly on pure $CO_2$. Unfortunately the captured $CO_2$ mixture contains many impurities such as $N_2$, $O_2$, Ar, $H_{2}O$, $SO_{\chi}$, $H_{2}S$. A small amount of impurities can change the thermodynamic properties and then significantly affect the compression, purification and transport processes. This paper analyzes the major design parameters that are useful for constructing onshore and offshore $CO_2$ transport systems. On the basis of a parametric study of the hypothetical scenario, we suggest relevant variation ranges for the design parameters, particularly the flow rate, diameter, temperature, and pressure.
Keywords
Climate change; Carbon dioxide; Carbon dioxide capture and storage; $CO_2$ Storage in Marine Geological Structure; Impurity;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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