Cited by 270CO2 Sequestration and Geologic InteractionsCarbon Dioxide Capture TechnologiesEnhanced Oil Recovery Techniques

Experimental Study of Carbon Sequestration Reactions Controlled by the Percolation of CO 2 -Rich Brine through Peridotites

Andreani, M., Luquot, L., Gouze, P., Godard, M., Hoisé, E., Gibert, B.·2009·Environmental Science & Technology

Abstract

Carbonation of ultramafic rocks in geological reservoirs is, in theory, the most efficient way to trap CO2 irreversibly; however, possible feedback effects between carbonation reactions and changes in the reservoir permeability must be considered to realistically assess the efficiency and sustainability of this process. We investigated changes in the hydrodynamic properties of sintered dunite samples by means of percolation experiments, under conditions analogous to that of in situ carbonation. Our results show that carbonation efficiency is controlled by the local renewal of the reactants and the heterogeneity of the pore structure. Preferential flow zones are characterized by the formation of magnetite and of a silica-rich layer at the olivine surfaces, which eventually inhibits olivine dissolution. Conversely, sustainable olivine dissolution together with coprecipitation of magnesite, siderite, and minor Mg-TOT-phyllosilicates, occur in reduced-flow zones. Thus carbonate precipitation only decreases porosity in zones where diffusion-controlled transport is dominant. Consequently, while high flow rates will decrease the carbonation efficiency of the reservoir and low flow rates may reduce the permeability irreversibly close to the injection point, moderate injection rates will ensure a partial carbonation of the rock and maintain the reservoir permeability.

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Crossref · 10.1021/es8018429

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  • The replacement of olivine by carbonate is exothermic, and once the activation energy barrier is overcome and while CO2-rich fluids and olivine are freely available, the carbonation reaction can be self-perpetuating.

    “The replacement of olivine by carbonate is exothermic, and hence once the activation energy barrier is overcome and while CO2-rich fluids and olivine are freely available, the carbonation reaction can be self-perpetuating8.”

    From Sequestration of Martian CO2 by mineral carbonation (2013) · cites this paper as [8]

  • During some experiments on carbon mineralization in peridotite, a reduction in permeability has been observed.

    “During some experiments on carbon mineralization in peridotite, a reduction in permeability has been observed”

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Authors
Andreani, M., Luquot, L., Gouze, P., Godard, M., Hoisé, E., & Gibert, B.
Affiliations
  • Géosciences, UMR 5243, Université Montpellier 2, CNRS, 34095 Montpellier, France, and Laboratoire de Géologie, Ecole Normale Supérieure, 75231 Paris, France
  • Centre National de la Recherche Scientifique (FR)
Venue
Environmental Science & Technology
Published
2009-01-07
Volume
43
Issue
4
Pages
1226-1231
ISSN
  • 0013-936X (ISSN-L)
  • 1520-5851
OpenAlex
W2012870041
Cited by
270
References
19
Citations by year
2026: 22 · 2025: 21 · 2024: 22 · 2023: 14 · 2022: 14 · 2021: 16 · 2020: 12 · 2019: 9 · 2018: 15 · 2017: 22 · 2016: 12 · 2015: 14 · 2014: 17 · 2013: 22 · 2012: 12
FWCI
11.09
Type
journal article
Language
en
Open access
closed
Locations
  • Environmental Science & Technology (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
Funders
CHIST-ERA
Topics
  • Physical Sciences › Environmental Science › Environmental Engineering › CO2 Sequestration and Geologic Interactions
  • Physical Sciences › Engineering › Mechanical Engineering › Carbon Dioxide Capture Technologies
  • Physical Sciences › Engineering › Ocean Engineering › Enhanced Oil Recovery Techniques
Keywords
carbon sequestration, CO2 carbonation, peridotite, dunite, ultramafic rocks, olivine dissolution, magnetite formation, silica-rich layer, siderite, phyllosilicates, reservoir permeability, pore heterogeneity, injection rate, porosity reduction, diffusion-limited transport
MeSH terms
Carbon, Carbon Dioxide, Ferric Compounds, Magnesium, Microscopy, Electron, Scanning, Permeability, Chemical Precipitation, Salts, Water, Magnesium Compounds, Silicates, Microscopy, Electron, Transmission, Iron Compounds

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