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Application of Mineral Carbonation in Carbon Capture, Use and Storage

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Environmental Sciences".

Deadline for manuscript submissions: closed (20 November 2023) | Viewed by 2048

Special Issue Editors


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Guest Editor
Departamento de Cristalografía, Mineralogía y Química Agrícola, Universidad de Sevilla, 41012 Seville, Spain
Interests: mineral carbonation; carbon capture, utilization and storage; geological storage; clayey cap-rock; clay mineral; ceramics

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Guest Editor
Departamento de Cristalografía, Mineralogía y Química Agrícola, Universidad de Sevilla, 41012 Seville, Spain
Interests: clay: geology, mineralogy and applications; industrial minerals and rocks; contamination and environmental impacts from mining; trace element contamination in soils and sediments, CO2 capture and sequestration

Special Issue Information

Dear Colleagues,

The incessant consumption of energy has negative effects on the environment. Carbon dioxide is the dominant anthropogenic greenhouse gas responsible for global warming. To reduce these potential risks, two main technologies of carbon capture and safe storage are necessary. Mineral carbonation is an established CCS technique that can halt CO2 emissions.

While the benefits of mineral carbonation are clear today, the effectiveness of this technology is still limited, and improvements are required in areas such as logistics, energy pretreatments, kinetics and scalability, disposal, safety, and so on. Therefore, this is clearly an environmental issue that needs further investigation.  

Dr. Domingo Martín
Prof. Dr. Adolfo Miras Ruiz
Guest Editors

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Keywords

  • mineral carbonation
  • mineral sequestration
  • carbon capture, utilization, and storage
  • geological storage
  • carbonate minerals
  • in situ carbonation
  • ex situ carbonation
  • host-rock
  • cap-rock

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Published Papers (1 paper)

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Research

13 pages, 2341 KiB  
Article
Mixed-Layer Illite-Smectite Illitization under Supercritical CO2 Conditions
by Domingo Martín, Patricia Aparicio, Susana García and María Mercedes Maroto-Valer
Appl. Sci. 2022, 12(22), 11477; https://doi.org/10.3390/app122211477 - 11 Nov 2022
Cited by 2 | Viewed by 1624
Abstract
The long-term safe storage of CO2 in geological reservoirs requires the understanding of the impact of CO2 on clay-rich sealing cap rocks. The reactivity of the mixed layer of illite-smectite was investigated to determine the reaction pathways under conditions of supercritical [...] Read more.
The long-term safe storage of CO2 in geological reservoirs requires the understanding of the impact of CO2 on clay-rich sealing cap rocks. The reactivity of the mixed layer of illite-smectite was investigated to determine the reaction pathways under conditions of supercritical CO2 (scCO2) conditions in the context of geological CO2 storage. A common clay (blue marl from the Guadalquivir Tertiary basin, southern Spain) was tested under brine scCO2 conditions (100 bar and 35 °C) for 120 and 240 h. The clay sample (blue marl) contains calcite, quartz, illite, smectite, and the corresponding mixed-layer and kaolinite. X-ray diffraction (XRD), Brunauer–Emmett–Teller (BET), and inductively coupled plasma optical emission spectroscopy (ICP-OES) analyses were performed. The illitization of mixed-layer illite-smectite was observed by XRD and confirmed by a variation in the content of different elements (K, Mg, Na, Ca, and Fe) of the transformation, as well as an increase in the specific surface (SSA) of the clay (36.1 to 38.1 m2/g by N2, 14.5 to 15.4 m2/g by CO2 adsorption). Furthermore, these reactions lead to mineral dissolution and secondary mineral formation along the CO2–water–clay intercalations of the source rock were responsible for a change in porosity (7.8 to 7.0 nm pore size). The implications of illitisation, mineral destruction, and precipitation processes on CO2 storage and clay layer integrity should be explored before deciding on a geological storage location. Full article
(This article belongs to the Special Issue Application of Mineral Carbonation in Carbon Capture, Use and Storage)
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