Artículo
Steam-enhanced calcium-looping performance of limestone for thermochemical energy storage: The role of particle size
Autor/es | Arcenegui Troya, Juan Jesús
Sánchez Jiménez, Pedro Enrique Perejón Pazo, Antonio Valverde Millán, José Manuel Pérez Maqueda, Luis Allan |
Departamento | Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo Universidad de Sevilla. Departamento de Química Inorgánica |
Fecha de publicación | 2022 |
Fecha de depósito | 2022-09-21 |
Publicado en |
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Resumen | Steam injection has been proposed to attenuate the decay of CaO reactivity during calcium looping (CaL) under operating conditions compatible with carbon capture and storage. However, it is yet unknown whether the perceived ... Steam injection has been proposed to attenuate the decay of CaO reactivity during calcium looping (CaL) under operating conditions compatible with carbon capture and storage. However, it is yet unknown whether the perceived advantages granted by steam hold under the distinct operating conditions required for the integration of the CaL process as a thermochemical energy storage system in Concentrating Solar Power Plants (CaL-CSP). Here, we study the influence of steam in conditions compatible with a CaL-CSP scheme and assess its impact when injected only during one stage; either calcination or carbonation, and also when it is present throughout the entire loop. The results presented here demonstrate that steam boosts the CaO multicycle performance in a CO2 closed loop to attain residual conversion values similar to those achieved at moderate temperatures under inert gas. Moreover, it is found that the enhancement in multicycle activity is more pronounced for larger particles. |
Agencias financiadoras | Ministerio de Economía y Competitividad (MINECO). España European Commission (EC). Fondo Europeo de Desarrollo Regional (FEDER) Junta de Andalucía Universidad de Sevilla |
Identificador del proyecto | contracts CTQ2017- 83602-C2-1-R and -2-R
P18-FR-1087 US-1262507 |
Cita | Arcenegui Troya, J.J., Sánchez Jiménez, P.E., Perejón Pazo, A., Valverde Millán, J.M. y Pérez Maqueda, L.A. (2022). Steam-enhanced calcium-looping performance of limestone for thermochemical energy storage: The role of particle size. Journal of Energy Storage, 51, 104305. |
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