Cited by 82CO2 Sequestration and Geologic InteractionsGroundwater and Isotope GeochemistryGeothermal Energy Systems and Applications

Geochemistry of silicate-rich rocks can curtail spreading of carbon dioxide in subsurface aquifers

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Cardoso, S. S. S., Andres, J. T. H.·2014·Nature Communications

Abstract

Pools of carbon dioxide are found in natural geological accumulations and in engineered storage in saline aquifers. It has been thought that once this CO2 dissolves in the formation water, making it denser, convection streams will transport it efficiently to depth, but this may not be so. Here, we assess theoretically and experimentally the impact of natural chemical reactions between the dissolved CO2 and the rock formation on the convection streams in the subsurface. We show that, while in carbonate rocks the streaming of dissolved carbon dioxide persists, the chemical interactions in silicate-rich rocks may curb this transport drastically and even inhibit it altogether. These results challenge our view of carbon sequestration and dissolution rates in the subsurface, suggesting that pooled carbon dioxide may remain in the shallower regions of the formation for hundreds to thousands of years. The deeper regions of the reservoir can remain virtually carbon free.

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Research works printed but not linked: 4

  1. Marini, L. Geochemical Sequestration of Carbon Dioxide. (Elsevier 2007).
  2. IPCC Special Report on Carbon Dioxide Capture and Storage, edited by Metz B. et al. (Cambridge University Press, UK and New York, USA, 2005).
  3. Hesse, M.A., Tchelepi, H.A. & Orr, F.M. Natural convection during aquifer CO 2 storage , In the 8th International Conference on Greenhouse Gas Control Technologies. (Trondheim, Norway 2006).
  4. Andres, J.T.H. & Cardoso, S.S.S. (2012) Convection and reaction in a diffusive layer in a porous medium. CHAOS 22, 037113 (2012).

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Authors
Cardoso, S. S. S., & Andres, J. T. H.
Affiliations
University of Cambridge (GB)
Venue
Nature Communications
Published
2014-12-11
Volume
5
Issue
1
Pages
5743-5743
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2003840568
Cited by
82
References
39
Citations by year
2026: 7 · 2025: 7 · 2024: 4 · 2023: 3 · 2022: 3 · 2021: 7 · 2020: 8 · 2019: 9 · 2018: 6 · 2017: 9 · 2016: 13 · 2015: 5
FWCI
6.89
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion)
  • PubMed (publishedVersion)
  • Apollo (University of Cambridge) (acceptedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • arXiv (Cornell University)
Funders
Schlumberger Foundation
Topics
  • Physical Sciences › Environmental Science › Environmental Engineering › CO2 Sequestration and Geologic Interactions
  • Physical Sciences › Earth and Planetary Sciences › Geochemistry and Petrology › Groundwater and Isotope Geochemistry
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Geothermal Energy Systems and Applications
Keywords
CO2 sequestration, saline aquifers, carbonate rocks, CO2 dissolution, CO2 transport

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