Cited by 128CO2 Sequestration and Geologic InteractionsCarbon Dioxide Capture TechnologiesConcrete and Cement Materials Research

Carbon sequestration kinetic and storage capacity of ultramafic mining waste

Pronost, Julie, Beaudoin, Georges, Tremblay, Joniel, Larachi, Faïçal, Duchesne, Josée, Hébert, Réjean, Constantin, Marc·2011·Environmental Science & Technology

Abstract

Mineral carbonation of ultramafic rocks provides an environmentally safe and permanent solution for CO(2) sequestration. In order to assess the carbonation potential of ultramafic waste material produced by industrial processing, we designed a laboratory-scale method, using a modified eudiometer, to measure continuous CO(2) consumption in samples at atmospheric pressure and near ambient temperature. The eudiometer allows monitoring the CO(2) partial pressure during mineral carbonation reactions. The maximum amount of carbonation and the reaction rate of different samples were measured in a range of experimental conditions: humidity from dry to submerged, temperatures of 21 and 33 °C, and the proportion of CO(2) in the air from 4.4 to 33.6 mol %. The most reactive samples contained ca. 8 wt % CO(2) after carbonation. The modal proportion of brucite in the mining residue is the main parameter determining maximum storage capacity of CO(2). The reaction rate depends primarily on the proportion of CO(2) in the gas mixture and secondarily on parameters controlling the diffusion of CO(2) in the sample, such as relative saturation of water in pore space. Nesquehonite was the dominant carbonate for reactions at 21 °C, whereas dypingite was most common at 33 °C.

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Crossref · 10.1021/es203063a

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  • Passive carbonate mineral formation from ultramafic tailings produced by nickel, diamond, and asbestos mining operations has been studied at active and historic mine sites.

    “Passive carbonate mineral formation from ultramafic tailings produced by nickel, diamond,”
  • Ultramafic and mafic mine wastes are more reactive than felsic tailings.

    “Although felsic tailings may also act as mineral feedstock for carbonation reactions, ultramafic and mafic mine wastes have been the focus of most studies as these wastes are more reactive (e.g., [18,25]).”

    From Strategizing carbon-neutral mines: A case for pilot projects (2014) · cites this paper as [25]

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Authors
Pronost, J., Beaudoin, G., Tremblay, J., Larachi, F., Duchesne, J., Hébert, R., & Constantin, M.
Affiliations
  • Université Laval (CA)
  • Département de génie chimique, Université Laval, 1065 avenue de la Médecine, Québec (QC), Canada G1V 0A6
Corresponding author
Beaudoin, Georges
Venue
Environmental Science & Technology
Published
2011-10-04
Volume
45
Issue
21
Pages
9413-9420
ISSN
  • 0013-936X (ISSN-L)
  • 1520-5851
OpenAlex
W2326806776
Cited by
128
References
25
Citations by year
2026: 5 · 2025: 11 · 2024: 6 · 2023: 6 · 2022: 6 · 2021: 11 · 2020: 7 · 2019: 5 · 2018: 8 · 2017: 14 · 2016: 7 · 2015: 8 · 2014: 12 · 2013: 12 · 2012: 10
FWCI
9.64
Type
journal article
Language
en
Open access
closed
Locations
  • Environmental Science & Technology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Environmental Science › Environmental Engineering › CO2 Sequestration and Geologic Interactions
  • Physical Sciences › Engineering › Mechanical Engineering › Carbon Dioxide Capture Technologies
  • Physical Sciences › Engineering › Civil and Structural Engineering › Concrete and Cement Materials Research
Keywords
CO2 mineralization, CO2 sequestration, carbonation kinetics, storage capacity, brucite, nesquehonite, dypingite, partial pressure of CO2, humidity effects, temperature effects, CO2 concentration, CO2 diffusion, eudiometer
MeSH terms
Carbon Dioxide, Kinetics, Magnesium Hydroxide, Microscopy, Electron, Scanning, Mining, Spectrometry, X-Ray Emission, Temperature, Carbon Sequestration

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