Integrated modelling of CO2 plume geothermal energy systems in carbonate reservoirs: Technology, operations, economics and sustainability

Yerima, Abdulrasheed Ibrahim; Tsegab, Haylay; Hermana, Maman; Piccoli, Leonardo Humberto

doi:10.1016/j.renene.2024.121162

Renewable Energy

2024

DOI: 10.1016/j.renene.2024.121162

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Integrated modelling of CO2 plume geothermal energy systems in carbonate reservoirs: Technology, operations, economics and sustainability

Abdulrasheed Ibrahim Yerima,

Haylay Tsegab,

Maman Hermana

et al.

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2024

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Research Progress on CO2 as Geothermal Working Fluid: A Review

Cong,

Lu,

Jiang

et al. 2024

Energies

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With the continuous increase in global greenhouse gas emissions, the impacts of climate change are becoming increasingly severe. In this context, geothermal energy has gained significant attention due to its numerous advantages. Alongside advancements in CO2 geological sequestration technology, the use of CO2 as a working fluid in geothermal systems has emerged as a key research focus. Compared to traditional water-based working fluids, CO2 possesses lower viscosity and higher thermal expansivity, enhancing its mobility in geothermal reservoirs and enabling more efficient heat transfer. Using CO2 as a working fluid not only improves geothermal energy extraction efficiency but also facilitates the long-term sequestration of CO2 within reservoirs. This paper reviews recent research progress on the use of CO2 as a working fluid in Enhanced Geothermal Systems (EGS), with a focus on its potential advantages in improving heat exchange efficiency and power generation capacity. Additionally, the study evaluates the mineralization and sequestration effects of CO2 in reservoirs, as well as its impact on reservoir properties. Finally, the paper discusses the technological developments and economic analyses of integrating CO2 as a working fluid with other technologies. By systematically reviewing the research on CO2 in EGS, this study provides a theoretical foundation for the future development of geothermal energy using CO2 as a working fluid.

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Research Progress on CO2 as Geothermal Working Fluid: A Review

Cong,

Lu,

Jiang

et al. 2024

Energies

View full text Add to dashboard Cite

show abstract

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Integrated modelling of CO2 plume geothermal energy systems in carbonate reservoirs: Technology, operations, economics and sustainability

Cited by 1 publication

References 86 publications

Research Progress on CO2 as Geothermal Working Fluid: A Review

Research Progress on CO2 as Geothermal Working Fluid: A Review

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