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https://hdl.handle.net/2440/116965
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Type: | Journal article |
Title: | CO₂ geo-storage capacity enhancement via nanofluid priming |
Other Titles: | CO(2) geo-storage capacity enhancement via nanofluid priming |
Author: | Al-Anssari, S. Arif, M. Wang, S. Barifcani, A. Lebedev, M. Iglauer, S. |
Citation: | International Journal of Greenhouse Gas Control, 2017; 63:20-25 |
Publisher: | Elsevier |
Issue Date: | 2017 |
ISSN: | 1750-5836 1878-0148 |
Statement of Responsibility: | Sarmad Al-Anssari, Muhammad Arif, Shaobin Wang, Ahmed Barifcani, Maxim Lebedev, Stefan Iglauer |
Abstract: | CO2 geo-storage efficiency is strongly influenced by the wettability of the CO2-brine-mineral system. With decreasing water-wetness, both, structural and residual trapping capacities are substantially reduced. This constitutes a serious limitation for CO2 storage particularly in oil-wet formations (which are CO2-wet). To overcome this, we treated CO2-wet calcite surfaces with nanofluids (nanoparticles dispersed in base fluid) and found that the systems turned strongly water-wet state, indicating a significant wettability alteration and thus a drastic improvement in storage potential. We thus conclude that CO2 storage capacity can be significantly enhanced by nanofluid priming. |
Keywords: | Silica nanoparticles; carbon capture and storage; contact angle |
Rights: | 2017 Elsevier Ltd. All rights reserved. |
DOI: | 10.1016/j.ijggc.2017.04.015 |
Published version: | http://dx.doi.org/10.1016/j.ijggc.2017.04.015 |
Appears in Collections: | Aurora harvest 3 Earth and Environmental Sciences publications |
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