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Issue 5, 2014
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‘Dry bases’: carbon dioxide capture using alkaline dry water

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Abstract

An alkaline form of ‘dry water’—a ‘dry base’—is prepared by the high-speed mixing of aqueous solutions of metal carbonates or organic amines with hydrophobic silica nanoparticles. Despite being mostly water, the dry base looks and flows like a powder, and adsorbs CO2 rapidly without any mixing because of its high surface-to-volume ratio. Unlike normal aqueous base solutions, dry bases can be non-corrosive because they do not readily wet surfaces.

Graphical abstract: ‘Dry bases’: carbon dioxide capture using alkaline dry water

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Article information


Submitted
19 Dec 2013
Accepted
17 Mar 2014
First published
17 Mar 2014

Energy Environ. Sci., 2014,7, 1786-1791
Article type
Paper
Author version available

‘Dry bases’: carbon dioxide capture using alkaline dry water

R. Dawson, L. A. Stevens, O. S. A. Williams, W. Wang, B. O. Carter, S. Sutton, T. C. Drage, F. Blanc, D. J. Adams and A. I. Cooper, Energy Environ. Sci., 2014, 7, 1786
DOI: 10.1039/C3EE44124E

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