Artículo
Synergizing Carbon Capture Storage and Utilization in a Biogas Upgrading Lab-scale Plant Based on Calcium Chloride: Influence of Precipitation Parameters
Autor/es | Baena-Moreno, Francisco M.
Rodríguez Galán, Mónica Vega Borrero, Fernando Ramírez Reina, Tomás Vilches Arenas, Luis Francisco Navarrete Rubia, Benito |
Departamento | Universidad de Sevilla. Departamento de Química Inorgánica Universidad de Sevilla. Departamento de Ingeniería Química y Ambiental |
Fecha de publicación | 2019 |
Fecha de depósito | 2024-09-30 |
Publicado en |
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Resumen | Herein a strategy for biogas upgrading in a continuous flow absorption unit using CaCl 2 as capturing agent is reported. This process is presented as an alternative to the standard physical regeneration processes to capture ... Herein a strategy for biogas upgrading in a continuous flow absorption unit using CaCl 2 as capturing agent is reported. This process is presented as an alternative to the standard physical regeneration processes to capture carbon dioxide (CO 2 ) from biogas effluents with inherent high energy penalties. This work showcases a systematic study of the main parameters (reaction time, reaction temperature, and molar ratio reactant/precipitator) affecting calcium carbonate (CaCO 3 ) precipitation efficiency in a reaction between sodium carbonate (Na 2 CO 3 ) and CaCl 2 . In addition, the purity and main characteristics of the obtained product were carefully analysed via in a combined characterization study using Raman, XRD, and SEM. Our results indicate that acceptable precipitation efficiencies between 62 and 93% can be reached by fine tuning the studied parameters. The characterization techniques evidence pure CaCO 3 in a calcite structure. These results confirmed the technical feasibility of this alternative biogas upgrading process through CaCO 3 production. |
Agencias financiadoras | Engineering and Physical Sciences Research Council (UK) Royal Society (UK) |
Identificador del proyecto | EP/R512904/1
EP/P026435/1 RSGR1180353 |
Cita | Baena-Moreno, F.M., Rodríguez Galán, M., Vega Borrero, F., Ramírez Reina, T., Vilches Arenas, L.F. y Navarrete Rubia, B. (2019). Synergizing Carbon Capture Storage and Utilization in a Biogas Upgrading Lab-scale Plant Based on Calcium Chloride: Influence of Precipitation Parameters. Science of the Total Environment, 670, 59-66. https://doi.org/10.1016/j.scitotenv.2019.03.204. |
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10.1016j.scitotenv.2019.03.204.pdf | 602.5Kb | [PDF] | Ver/ | Versión aceptada |