100743 20230519145437.0 doi 10.1016/j.energy.2021.120306 sideral 123401 ART-2021-123401 eng Bailera, Manuel Universidad de Zaragoza (orcid)0000-0002-9174-9820 Modelling calcium looping at industrial scale for energy storage in concentrating solar power plants 2021 Access copy available to the general public Unrestricted Ca-Looping represents one of the most promising technologies for thermochemical energy storage. This process based on the carbonation-calcination cycle of CaO offers a high potential to be coupled with solar power plants for its long-term storage capacity and high temperatures. Previous studies analyzed different configurations of CaL integrated into power cycles aiming to improve efficiency. However, most of these assessments based on lumped models did not account for scale effect in the most critical reactor. In this work, a detailed 1D-model of a large-scale carbonator is included in the comprehensive model of the integrated facility. The results obtained served to assess the available heat, the minimum technical part load of this equipment, the required size of the storage tanks and the overall efficiency of the plant. The main issue in the operation of large-size carbonator is the heat removal, thus a multi-tube internally cooled reactor is proposed. The designed carbonator provides 80 MWth at nominal operation and 40 MWth at minimum part load operation. The sizing of storage tanks depends on the operation management, ranging between 5,700-11,400 m3 for 15 hours. Different efficiencies of the system were defined and presented through operating maps, as a function of the reactor loads. info:eu-repo/grantAgreement/ES/DGA/T46-17R info:eu-repo/grantAgreement/EC/H2020/727348/EU/SOlar Calcium-looping integRAtion for Thermo-Chemical Energy Storage/SOCRATCES This project has received funding from the European Union’s Horizon 2020 research and innovation program under grant agreement No H2020 727348-SOCRATCES info:eu-repo/grantAgreement/ES/MCIU/FPU17-03902 info:eu-repo/semantics/openAccess by-nc-nd http://creativecommons.org/licenses/by-nc-nd/3.0/es/ 8.857 2021 THERMODYNAMICS 3 / 63 = 0.048 2021 Q1 T1 ENERGY & FUELS 24 / 119 = 0.202 2021 Q1 T1 2.041 2021 Energy (miscellaneous) 2021 Q1 Energy Engineering and Power Technology 2021 Q1 Building and Construction 2021 Q1 Civil and Structural Engineering 2021 Q1 Renewable Energy, Sustainability and the Environment 2021 Q1 Management, Monitoring, Policy and Law 2021 Q1 Mechanical Engineering 2021 Q1 Modeling and Simulation 2021 Q1 Fuel Technology 2021 Q1 13.4 2021 info:eu-repo/semantics/article info:eu-repo/semantics/acceptedVersion Pascual, Sara Universidad de Zaragoza Lisbona, Pilar Universidad de Zaragoza (orcid)0000-0002-2306-6729 Romeo, Luis Universidad de Zaragoza (orcid)0000-0001-7379-6159 5004 590 Universidad de Zaragoza Dpto. Ingeniería Mecánica Área Máquinas y Motores Térmi. 225, 120306 (2021), [35 pp.] Energy Energy 0360-5442 6397054 http://zaguan.unizar.es/record/100743/files/texto_completo.pdf Postprint 960595 http://zaguan.unizar.es/record/100743/files/texto_completo.jpg?subformat=icon icon Postprint oai:zaguan.unizar.es:100743 articulos driver 2023-05-18-14:24:55 ARTICLE