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Effect of Thermal Pretreatment and Nanosilica Addition on Limestone Performance at Calcium-Looping Conditions for Thermochemical Energy Storage of Concentrated Solar Power

Opened Access Effect of Thermal Pretreatment and Nanosilica Addition on Limestone Performance at Calcium-Looping Conditions for Thermochemical Energy Storage of Concentrated Solar Power

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Autor: Barea López, M.
Pérez Maqueda, Luis Allan
Perejón Pazo, Antonio
Sánchez Jiménez, Pedro Enrique
Valverde Millán, José Manuel
Departamento: Universidad de Sevilla. Departamento de Química Inorgánica
Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo
Fecha: 2017
Publicado en: Energy and Fuels, 31 (4), 4226-4236.
Tipo de documento: Artículo
Resumen: The share of renewable energies is growing rapidly, partly in response to the urgent need for mitigating CO emissions from fossil fuel power plants. However, cheap and efficient large-scale energy storage technologies are not yet available to allow for a significant penetration of renewable energies into the grid. Recently, a potentially low-cost and efficient thermochemical energy storage (TCES) system has been proposed, based on the integration of the calcium-looping (CaL) process into concentrated solar power plants (CSPs). The CaL process relies on the multicycle carbonation/calcination of CaO, which can be derived from calcination of widely available, cheap, and nontoxic natural limestone (CaCO). This work explores the effect on the multicycle activity of limestone-derived CaO of thermal pretreatment under diverse atmospheres and the addition of nanosilica, which would be expected to hinder CaO grain sintering. Importantly, optimum CaL conditions for CSP energy storage differ rad...
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Cita: Barea López, M., Pérez Maqueda, L.A., Perejón Pazo, A., Sánchez Jiménez, P.E. y Valverde Millán, J.M. (2017). Effect of Thermal Pretreatment and Nanosilica Addition on Limestone Performance at Calcium-Looping Conditions for Thermochemical Energy Storage of Concentrated Solar Power. Energy and Fuels, 31 (4), 4226-4236.
Tamaño: 1.224Mb
Formato: PDF

URI: https://hdl.handle.net/11441/74562

DOI: 10.1021/acs.energyfuels.6b03364

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