Artículo
Synergizing carbon capture and utilization in a biogas upgrading plant based on calcium chloride: Scaling-up and profitability analysis
Autor/es | Baena-Moreno, Francisco M.
Ramírez Reina, Tomás Rodríguez Galán, Mónica Navarrete Rubia, Benito Vilches Arenas, Luis Francisco |
Departamento | Universidad de Sevilla. Departamento de Ingeniería Química y Ambiental Universidad de Sevilla. Departamento de Química Inorgánica |
Fecha de publicación | 2021-03 |
Fecha de depósito | 2021-10-29 |
Publicado en |
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Premios | Premio Trimestral Publicación Científica Destacada de la US. Escuela Técnica Superior de Ingeniería |
Resumen | Herein we analyze the profitability of a novel regenerative process to synergize biogas upgrading and carbon dioxide utilization. Our proposal is a promising alternative which allows to obtain calcium carbonate as added ... Herein we analyze the profitability of a novel regenerative process to synergize biogas upgrading and carbon dioxide utilization. Our proposal is a promising alternative which allows to obtain calcium carbonate as added value product while going beyond traditional biogas upgrading methods with high thermal energy consumption. Recently we have demonstrated the experimental viability of this route. In this work, both the scale-up and the profitability of the process are presented. Furthermore, we analyze three representative scenarios to undertake a techno-economic study of the proposed circular economy process. The scale-up results demonstrate the technical viability of our proposal. The precipitation efficiency and the product quality are still remarkable with the increase of the reactor size. The techno-economic analysis reveals that the implementation of this circular economy strategy is unprofitable without subsidies. Nonetheless, the results are somehow encouraging as the subsides needed to reach profitability are lower than in other biogas upgrading and carbon dioxide utilization proposals. Indeed, for the best-case scenario, a feed-in tariff incentive of 4.3 €/MWh makes the approach profitable. A sensitivity study through tornado analysis is also presented, revealing the importance of reducing bipolar membrane electrodialysis energy consumption. Overall our study envisages the big challenge that the EU faces during the forthcoming years. The evolution towards bio-based and circular economies requires the availability of economic resources and progress on engineering technologies. |
Identificador del proyecto | NURECCO2
EP/P026435/1 RYC2018-024387-I |
Cita | Baena-Moreno, F.M., Reina, T.R, Rodríguez-Galán, M., Navarrete, B. y Vilches, L.F. (2021). Synergizing carbon capture and utilization in a biogas upgrading plant based on calcium chloride: Scaling-up and profitability analysis. Science of The Total Environment, 758, Doc. number: 143645. |
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