Numerical Prediction of the Behavior of CO2 Bubbles Leaked from Seafloor and Their Convection and Diffusion near Southeastern Coast of Korea
Among various carbon capture and storage technologies to mitigate global warming and ocean acidification due to greenhouse gases, ocean geological storage is considered the most feasible for Korea due to insufficient inland space to store CO2. However, the risk of CO2 leakage and the behavior and en...
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ftmdpi:oai:mdpi.com:/2076-3417/10/12/4237/ 2023-08-20T04:09:01+02:00 Numerical Prediction of the Behavior of CO2 Bubbles Leaked from Seafloor and Their Convection and Diffusion near Southeastern Coast of Korea Se-Min Jeong Seokwon Ko Wu-Yang Sean agris 2020-06-20 application/pdf https://doi.org/10.3390/app10124237 EN eng Multidisciplinary Digital Publishing Institute Chemical and Molecular Sciences https://dx.doi.org/10.3390/app10124237 https://creativecommons.org/licenses/by/4.0/ Applied Sciences; Volume 10; Issue 12; Pages: 4237 carbon capture and storage CO 2 ocean geological storage multi-scale ocean model hydrostatic approximation Eulerian–Lagrangian two-phase model environmental impact Text 2020 ftmdpi https://doi.org/10.3390/app10124237 2023-07-31T23:40:02Z Among various carbon capture and storage technologies to mitigate global warming and ocean acidification due to greenhouse gases, ocean geological storage is considered the most feasible for Korea due to insufficient inland space to store CO2. However, the risk of CO2 leakage and the behavior and environmental effects of the leaked CO2 need to be assessed for its successful implementation. Therefore, the behavior of CO2 bubbles/droplets dissolving into the surrounding seawater and the diffusion of dissolved CO2 by ocean flows should be accurately predicted. However, finding corresponding research has been difficult in Korea. Herein, the behavior and convection-diffusion of CO2 that was assumed to have leaked from the seafloor near the southeastern coast of Korea were numerically predicted using a multi-scale ocean model for the first time. In the simulation region, one of the pilot projects of CO2 ocean geological storage had started but has been temporarily halted. In the ocean model, hydrostatic approximation and the Eulerian–Lagrangian two-phase model were applied for meso- and small-scale regions, respectively. Parameters for the simulations were the leakage rate and the initial diameter of CO2. Results revealed that all leaked and rising CO2 bubbles were dissolved into the seawater before reaching the free surface; further, the change in the partial pressure of CO2 did not exceed 500 ppm during 30 days of leakage for all cases. Text Ocean acidification MDPI Open Access Publishing Applied Sciences 10 12 4237 |
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Open Polar |
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MDPI Open Access Publishing |
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ftmdpi |
language |
English |
topic |
carbon capture and storage CO 2 ocean geological storage multi-scale ocean model hydrostatic approximation Eulerian–Lagrangian two-phase model environmental impact |
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carbon capture and storage CO 2 ocean geological storage multi-scale ocean model hydrostatic approximation Eulerian–Lagrangian two-phase model environmental impact Se-Min Jeong Seokwon Ko Wu-Yang Sean Numerical Prediction of the Behavior of CO2 Bubbles Leaked from Seafloor and Their Convection and Diffusion near Southeastern Coast of Korea |
topic_facet |
carbon capture and storage CO 2 ocean geological storage multi-scale ocean model hydrostatic approximation Eulerian–Lagrangian two-phase model environmental impact |
description |
Among various carbon capture and storage technologies to mitigate global warming and ocean acidification due to greenhouse gases, ocean geological storage is considered the most feasible for Korea due to insufficient inland space to store CO2. However, the risk of CO2 leakage and the behavior and environmental effects of the leaked CO2 need to be assessed for its successful implementation. Therefore, the behavior of CO2 bubbles/droplets dissolving into the surrounding seawater and the diffusion of dissolved CO2 by ocean flows should be accurately predicted. However, finding corresponding research has been difficult in Korea. Herein, the behavior and convection-diffusion of CO2 that was assumed to have leaked from the seafloor near the southeastern coast of Korea were numerically predicted using a multi-scale ocean model for the first time. In the simulation region, one of the pilot projects of CO2 ocean geological storage had started but has been temporarily halted. In the ocean model, hydrostatic approximation and the Eulerian–Lagrangian two-phase model were applied for meso- and small-scale regions, respectively. Parameters for the simulations were the leakage rate and the initial diameter of CO2. Results revealed that all leaked and rising CO2 bubbles were dissolved into the seawater before reaching the free surface; further, the change in the partial pressure of CO2 did not exceed 500 ppm during 30 days of leakage for all cases. |
format |
Text |
author |
Se-Min Jeong Seokwon Ko Wu-Yang Sean |
author_facet |
Se-Min Jeong Seokwon Ko Wu-Yang Sean |
author_sort |
Se-Min Jeong |
title |
Numerical Prediction of the Behavior of CO2 Bubbles Leaked from Seafloor and Their Convection and Diffusion near Southeastern Coast of Korea |
title_short |
Numerical Prediction of the Behavior of CO2 Bubbles Leaked from Seafloor and Their Convection and Diffusion near Southeastern Coast of Korea |
title_full |
Numerical Prediction of the Behavior of CO2 Bubbles Leaked from Seafloor and Their Convection and Diffusion near Southeastern Coast of Korea |
title_fullStr |
Numerical Prediction of the Behavior of CO2 Bubbles Leaked from Seafloor and Their Convection and Diffusion near Southeastern Coast of Korea |
title_full_unstemmed |
Numerical Prediction of the Behavior of CO2 Bubbles Leaked from Seafloor and Their Convection and Diffusion near Southeastern Coast of Korea |
title_sort |
numerical prediction of the behavior of co2 bubbles leaked from seafloor and their convection and diffusion near southeastern coast of korea |
publisher |
Multidisciplinary Digital Publishing Institute |
publishDate |
2020 |
url |
https://doi.org/10.3390/app10124237 |
op_coverage |
agris |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_source |
Applied Sciences; Volume 10; Issue 12; Pages: 4237 |
op_relation |
Chemical and Molecular Sciences https://dx.doi.org/10.3390/app10124237 |
op_rights |
https://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.3390/app10124237 |
container_title |
Applied Sciences |
container_volume |
10 |
container_issue |
12 |
container_start_page |
4237 |
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1774721657340952576 |