Efficiency of magnesium hydroxide as engineering seal in the geological sequestration of CO2

Efficiency of magnesium hydroxide as engineering seal in the geological sequestration of CO2 •MgO carbonation is relevant for MgO-based cements as an alternative to Portland cement in a context of CO2 injection.•Autoclaved experiments are used to study the MgO carbonation process from subcritical to supercritical pCO2 conditions.•Reactive transport simulations reproduce the experimental variation of the MgO carbonation.•Simulations of an application case show that MgO carbonation increases the sealing capacity of the MgO-based cement. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Greenhouse Gas Control Elsevier

Efficiency of magnesium hydroxide as engineering seal in the geological sequestration of CO2

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Publisher
Elsevier
Copyright
Copyright © 2016 Elsevier Ltd
ISSN
1750-5836
eISSN
1878-0148
D.O.I.
10.1016/j.ijggc.2016.01.031
Publisher site
See Article on Publisher Site

Abstract

•MgO carbonation is relevant for MgO-based cements as an alternative to Portland cement in a context of CO2 injection.•Autoclaved experiments are used to study the MgO carbonation process from subcritical to supercritical pCO2 conditions.•Reactive transport simulations reproduce the experimental variation of the MgO carbonation.•Simulations of an application case show that MgO carbonation increases the sealing capacity of the MgO-based cement.

Journal

International Journal of Greenhouse Gas ControlElsevier

Published: May 1, 2016

References

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