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Article

Mineral Carbonation of CO2 in Mafic Plutonic Rocks, I—Screening Criteria and Application to a Case Study in Southwest Portugal

1
Departamento de Geociências, Escola de Ciências e Tecnologia, Universidade de Évora, Rua Romão Ramalho, 59, 7000-671 Évora, Portugal
2
Instituto de Ciências da Terra, Universidade de Évora, Rua Romão Ramalho, 59, 7000-671 Évora, Portugal
3
Laboratório Hercules, Universidade de Évora, Largo Marquês de Marialva, 8, 7000-809 Évora, Portugal
4
Instituto Geológico y Minero de España, C/Matemático Pedrayes 25, 33005 Oviedo, Spain
*
Author to whom correspondence should be addressed.
Appl. Sci. 2020, 10(14), 4879; https://doi.org/10.3390/app10144879
Received: 16 June 2020 / Revised: 8 July 2020 / Accepted: 9 July 2020 / Published: 16 July 2020
This article describes the screening, ranking and characterization of ultramafic and mafic rocks in southern Portugal for mineral carbonation as an alternative to conventional CO2 storage in sedimentary rocks. A set of criteria including mineralogy, structure, surface area, distance to CO2 sources, expected volume, and socioeconomic conditions was applied to screen ultramafic and mafic rock massifs in the Alentejo region, southern Portugal. Ranking of the massifs indicated that the plutonic massifs of Sines and of Torrão‒Odivelas were the most promising. A characterization was made of the Sines massif, a subvolcanic massif composed mostly of gabbros and diorites, located immediately adjacent to the CO2 sources and outcropping along 300 km2 onshore and offshore. These studies confirmed that these rock samples exhibited the appropriate mineralogical and geochemical features, but also indicated that the secondary porosity provided by the fracture patterns was very small. View Full-Text
Keywords: CO2 capture; utilization and storage; mafic plutonic rocks; mineral carbonation; screening and ranking; Sines massif; Portugal CO2 capture; utilization and storage; mafic plutonic rocks; mineral carbonation; screening and ranking; Sines massif; Portugal
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MDPI and ACS Style

Pedro, J.; Araújo, A.A.; Moita, P.; Beltrame, M.; Lopes, L.; Chambel, A.; Berrezueta, E.; Carneiro, J. Mineral Carbonation of CO2 in Mafic Plutonic Rocks, I—Screening Criteria and Application to a Case Study in Southwest Portugal. Appl. Sci. 2020, 10, 4879. https://doi.org/10.3390/app10144879

AMA Style

Pedro J, Araújo AA, Moita P, Beltrame M, Lopes L, Chambel A, Berrezueta E, Carneiro J. Mineral Carbonation of CO2 in Mafic Plutonic Rocks, I—Screening Criteria and Application to a Case Study in Southwest Portugal. Applied Sciences. 2020; 10(14):4879. https://doi.org/10.3390/app10144879

Chicago/Turabian Style

Pedro, Jorge; Araújo, António A.; Moita, Patrícia; Beltrame, Massimo; Lopes, Luis; Chambel, António; Berrezueta, Edgar; Carneiro, Júlio. 2020. "Mineral Carbonation of CO2 in Mafic Plutonic Rocks, I—Screening Criteria and Application to a Case Study in Southwest Portugal" Appl. Sci. 10, no. 14: 4879. https://doi.org/10.3390/app10144879

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