Conceptualization of CO 2 Terminal for Offshore CCS Using System Engineering Process

Hyonjeong Noh, Kwangu Kang, Cheol Huh, Seong-Gil Kang, Seong Jong Han and Hyungwoo Kim
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Hyonjeong Noh: Offshore Industries R&BD Center, Korea Research Institute of Ships & Ocean Engineering, Geoje 53201, Korea
Kwangu Kang: Offshore Industries R&BD Center, Korea Research Institute of Ships & Ocean Engineering, Geoje 53201, Korea
Cheol Huh: Ocean Science & Technology School, Korea Maritime and Ocean University, Busan 49112, Korea
Seong-Gil Kang: Global Cooperation Center, Korea Research Institute of Ships & Ocean Engineering, Daejeon 34103, Korea
Seong Jong Han: Offshore Industries R&BD Center, Korea Research Institute of Ships & Ocean Engineering, Geoje 53201, Korea
Hyungwoo Kim: Offshore Industries R&BD Center, Korea Research Institute of Ships & Ocean Engineering, Geoje 53201, Korea

Energies, 2019, vol. 12, issue 22, 1-18

Abstract: In this study, the basic configuration and operation concept of a CO 2 terminal were identified by conducting a system engineering process. The performance goal of a CO 2 terminal was determined by requirement analysis. Then, functions and timelines were derived by functional analysis to meet the performance goal. Equipment to perform the functions were defined and finally, a process flow block diagram of the CO 2 terminal was acquired. The CO 2 terminal in this study consisted of three parts. First, the CO 2 loading/unloading part is responsible for liquid CO 2 unloading from the carrier and loading vapor CO 2 onto the carrier. Secondly, the liquid CO 2 transmission part extracts liquid CO 2 from the storage tanks and increases the pressure until it satisfies the offshore pipeline transportation condition. The vapor-treatment part collects boil-off gas, generates vapor CO 2 , and charges the storage tanks with vapor CO 2 to control the pressure of the storage tanks that discharge liquid CO 2 . Finally, the study results were compared with a liquefied natural gas (LNG) terminal. The biggest difference between the CO 2 terminal in this study and the LNG terminal is that a vaporizer is essential in the CO 2 terminal due to the smaller storage capacity of the CO 2 terminal and, therefore, the lower amount of boil-off gas.

Keywords: CO 2 terminal; CO 2 storage tank; system engineering process; conceptual design; CO 2 loading/unloading (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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