Determination of CO2diffusivity in subsurface systems using molecular dynamics simulation

The urgency in demand for global warming alleviation has necessitated more research into carbon-dioxide diffusion (CO2) both for sequestration and enhanced oil recovery. Captured atmospheric CO2 can be stored underground to leave a haven for the populace. CO2 diffusivity in oil-brine-rock systems at...

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Main Authors: Aliu, O., Sakidin, H., Foroozesh, J., Sikiru, S.
Format: Conference or Workshop Item
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.29873 /
Published: American Institute of Physics Inc. 2020
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85094604624&doi=10.1063%2f5.0018070&partnerID=40&md5=2e51d7fe30cd097284343a85ee2089aa
http://eprints.utp.edu.my/29873/
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spelling utp-eprints.298732022-03-25T03:05:10Z Determination of CO2diffusivity in subsurface systems using molecular dynamics simulation Aliu, O. Sakidin, H. Foroozesh, J. Sikiru, S. The urgency in demand for global warming alleviation has necessitated more research into carbon-dioxide diffusion (CO2) both for sequestration and enhanced oil recovery. Captured atmospheric CO2 can be stored underground to leave a haven for the populace. CO2 diffusivity in oil-brine-rock systems at various pressures and temperatures and also solely in brine with different ions but at a fixed temperature and pressure are studied. Increases in pressure and temperature leads to increase in diffusion coefficient of CO2 in oil-brine-rock systems. On the other hand, in CO2-brine system, the variations of ions affect CO2 diffusion while Ca ion appears to result in the highest diffusivity of CO2 in brine thereby, suggesting saline aquifers with Ca ion as the best choice for CO2 sequestration. © 2020 Author(s). American Institute of Physics Inc. 2020 Conference or Workshop Item NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85094604624&doi=10.1063%2f5.0018070&partnerID=40&md5=2e51d7fe30cd097284343a85ee2089aa Aliu, O. and Sakidin, H. and Foroozesh, J. and Sikiru, S. (2020) Determination of CO2diffusivity in subsurface systems using molecular dynamics simulation. In: UNSPECIFIED. http://eprints.utp.edu.my/29873/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
description The urgency in demand for global warming alleviation has necessitated more research into carbon-dioxide diffusion (CO2) both for sequestration and enhanced oil recovery. Captured atmospheric CO2 can be stored underground to leave a haven for the populace. CO2 diffusivity in oil-brine-rock systems at various pressures and temperatures and also solely in brine with different ions but at a fixed temperature and pressure are studied. Increases in pressure and temperature leads to increase in diffusion coefficient of CO2 in oil-brine-rock systems. On the other hand, in CO2-brine system, the variations of ions affect CO2 diffusion while Ca ion appears to result in the highest diffusivity of CO2 in brine thereby, suggesting saline aquifers with Ca ion as the best choice for CO2 sequestration. © 2020 Author(s).
format Conference or Workshop Item
author Aliu, O.
Sakidin, H.
Foroozesh, J.
Sikiru, S.
spellingShingle Aliu, O.
Sakidin, H.
Foroozesh, J.
Sikiru, S.
Determination of CO2diffusivity in subsurface systems using molecular dynamics simulation
author_sort Aliu, O.
title Determination of CO2diffusivity in subsurface systems using molecular dynamics simulation
title_short Determination of CO2diffusivity in subsurface systems using molecular dynamics simulation
title_full Determination of CO2diffusivity in subsurface systems using molecular dynamics simulation
title_fullStr Determination of CO2diffusivity in subsurface systems using molecular dynamics simulation
title_full_unstemmed Determination of CO2diffusivity in subsurface systems using molecular dynamics simulation
title_sort determination of co2diffusivity in subsurface systems using molecular dynamics simulation
publisher American Institute of Physics Inc.
publishDate 2020
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85094604624&doi=10.1063%2f5.0018070&partnerID=40&md5=2e51d7fe30cd097284343a85ee2089aa
http://eprints.utp.edu.my/29873/
_version_ 1741197312813694976
score 11.62408

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