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http://dx.doi.org/10.7464/ksct.2014.20.1.001

A Study on the Experimental Measurements and Its Recovery for the Rate of Boil-Off Gas from the Storage Tank of the CO2 Transport Ship  

Park, Jin-Woo (Department of Chemical Engineering, Kongju National University)
Kim, Dong-Sun (Department of Chemical Engineering, Kongju National University)
Ko, Min-Su (Samsung Heavy Industries, Marine Research Institute)
Cho, Jung-Ho (Department of Chemical Engineering, Kongju National University)
Publication Information
Clean Technology / v.20, no.1, 2014 , pp. 1-6 More about this Journal
Abstract
$CO_2$ is generated by the combustion reaction, when getting the energy from fossil fuel. If the carbon dioxide emissions increases more, the global warming problem will become more serious. CCS (carbon capture storage) needs to be developed for the prevention of this. When liquefied $CO_2$ is transported, BOG (boil-off gas) is generated because of several problems. In the study, by injecting liquefied $CO_2$ in two tanks which contains $40m^3$each, the amount of BOG and its composition were measured during 30 days when generating pressure changes and external heat, loading, unloading. In result, 16,040 kg of BOG was generated and the composition has been found out to be 99.95% $CO_2$ and 0.05 % $N_2$. Also, we conducted simulation process for reliquefaction of generated BOG with vapor compression cycle using the PRO/II with PROVISION version 9.2. As a result, the refrigeration cycle of the total circulation flow rate was 42.07 kg/h and the condenser utility consumption was 48.85 kg/h.
Keywords
$CO_2$; CCS; BOG; Reliquefaction; Refrigeration cycle;
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