Artículo
Recent insights into xerogel and aerogel mineral composites for CO 2 mineral sequestration
Autor/es | Morales Flórez, Víctor
Santos Sánchez, Alberto Esquivias Fedriani, Luis María |
Departamento | Universidad de Sevilla. Departamento de Física de la Materia Condensada |
Fecha de publicación | 2011 |
Fecha de depósito | 2020-04-14 |
Publicado en |
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Resumen | Supercritically dried composites have already been analysed and proposed as carbon dioxide sequesters. However, the economical and energetic costs of the supercritical drying process had to be re-evaluated, and were ... Supercritically dried composites have already been analysed and proposed as carbon dioxide sequesters. However, the economical and energetic costs of the supercritical drying process had to be re-evaluated, and were eventually found not to enhance the feasibility of the proposed route for CO2 mineral sequestration. Different composites series were synthesised with the only difference being the drying method. The structures of the porous matrix were characterised as well as their ability to capture CO2. The first results showed that the xerogel matrix is as good a host as the aerogel one, and also avoids expensive procedures such as supercritical drying for sample preparation without losing CO2 capture capacity and enhancing the efficiency of the whole carbon sequestration process. In this case, the sample preparation was simplified as much as possible, with the aim of reducing energetic and economic costs. Although good carbonation efficiencies were obtained with these cheap samples, the first results showed that previous high carbonation efficiencies could not be repeated. |
Identificador del proyecto | TEP115
PIA42008-31 |
Cita | Morales Flórez, V., Santos Sánchez, A. y Esquivias Fedriani, L.M. (2011). Recent insights into xerogel and aerogel mineral composites for CO 2 mineral sequestration. Journal of Sol-Gel Science and Technology, 59 (3), 417-423. |
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