Evaluation of the CO 2 Storage Capacity in Sandstone Formations from the Southeast Mesohellenic trough (Greece)

Marina A. Christopoulou, Petros Koutsovitis, Nikolaos Kostoglou, Chrysothemis Paraskevopoulou, Alkiviadis Sideridis, Petros Petrounias, Aikaterini Rogkala, Sebastian Stock and Nikolaos Koukouzas
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Marina A. Christopoulou: Section of Earth Materials, Department of Geology, University of Patras, 265 04 Patras, Greece
Petros Koutsovitis: Section of Earth Materials, Department of Geology, University of Patras, 265 04 Patras, Greece
Nikolaos Kostoglou: Department of Materials Science, Montanuniversität Leoben, 8700 Leoben, Austria
Chrysothemis Paraskevopoulou: School of Earth and Environment, University of Leeds, Leeds LS2 9JT, UK
Alkiviadis Sideridis: Section of Earth Materials, Department of Geology, University of Patras, 265 04 Patras, Greece
Petros Petrounias: Section of Earth Materials, Department of Geology, University of Patras, 265 04 Patras, Greece
Aikaterini Rogkala: Section of Earth Materials, Department of Geology, University of Patras, 265 04 Patras, Greece
Sebastian Stock: Institute of Physics, Montanuniversität Leoben, 8700 Leoben, Austria
Nikolaos Koukouzas: Centre for Research & Technology Hellas (CERTH), Chemical Process & Energy Resources Institute, 151 25 Athens, Greece

Energies, 2022, vol. 15, issue 10, 1-25

Abstract: This study investigates the capability of the Southeast Mesohellenic Trough (SE MHT) sandstone formations to serve as a potential reservoir for CO 2 storage in response to the emerging climate change issues by promoting environmentally friendly mineral sequestration applications. Sandstone samples, for the first time, were evaluated for their petrographic characteristics, mineral chemistry, geochemical properties, as well as their petrophysical and gas adsorption properties through tests. The sandstones were tested and classified into distinct groups. The most promising site to be considered for pilot CO 2 storage testing is the Pentalofos Formation locality since its sandstones display specific mineral phases with the proper modal composition to conceivably react with injected CO 2 , leading to the development of newly formed and stable secondary mineral phases. The gas adsorption results are also more encouraging for sandstones from this sedimentary formation. All the measured UCS (uniaxial compressive strength), Ei (bending stiffness), and ν (Poisson’s ratio) results are above those dictated by international standards to perform CO 2 storage practices safely. Furthermore, the specified targeted locality from the Pentalofos Formation holds the geological advantage of being overlaid by an impermeable cap-rock formation, making it suitable for deploying CO 2 mineralization practices. The demarcated area could permanently store a calculated amount of ~50 × 10 5 tons of CO 2 within the geological reservoir by reacting with the specified mineral phases, as specified through the proposed petrographic PrP index (potential reactive phases).

Keywords: carbon dioxide; mineralization; sandstones; adsorption; storage; capacity (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: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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