Performance Evaluation of FBRs for TCES Based on the CaO/CaCO3 and MnAl2O4/MnAl2O4-δ Systems
DOI:
https://doi.org/10.52825/solarpaces.v3i.2339Keywords:
Fluidized Bed Reactors, Thermochemical Energy Storage, Calcium Looping, Spinel OxidationAbstract
The following work presents an analysis of the fluidization conditions and performance of fluidized bed reactors working in the discharge phase for two different systems, namely CaO/CaCO3 and MnAl2O4/MnAl2O4-δ. It is well known that the discharge phase is the most critical one of the process. The two systems have been chosen for their different operating temperatures and fluidization properties, thereby allowing an evaluation of the feasibility of working with fluidized bed reactors under a range of operating conditions. The results show that though the MnAl2O4/MnAl2O4-δ system is capable of achieving a higher efficiency, the total amount of energy released by the solid per unit mass is significantly higher for the CaO/CaCO3 system.
Downloads
References
[1] L.F. Marie, S. Landini, D. Bae, V. Francia, T.S. O’Donovan, “Advances in thermochemical energy storage and fluidised beds for domestic heat”, J. Ener. Storage, vol. 53, pp. 105252, 2022, doi: https://doi.org/10.1016/j.est.2022.105242
[2] S. Fegkas, F. Birkelbach, F. Winter, N. Freiberger, A. Werner, “Fluidized bed reactors of solid-gas thermochemical energy storage concepts – modelling and process limitations”, Energy, vol. 143, pp. 615-623, 2018.
[3] T. Morabito, S. Sau, A.C. Tizzoni, A. Spadoni, M. Capocelli, N. Corsaro, C. D’Ottavi, S. Licoccia, T. Delise, “Chemical CSP storage system based on a manganes aluminium spi-nel,” Sol. Ener., vol. 197, pp. 462-471, 2020, doi: https://doi.org/10.1016/j.solener.2020.01.007
[4] S. Lo Conte, M.A. Murmura, F. Fratini, S. Cerbelli M. Lanchi, A. Spadoni, L. Turchetti, M.C. Annesini, “Calcium looping for thermochemical storage: assessment of intrinsic re-action rate and estimate of kinetic/transport parameters for synthetic CaO/Mayenite parti-cles from TGA Data,” Ind. & Eng. Chem. Res., vol.62, pp. 16523-16955, 2023, doi: https://doi.org/10.1021/acs.iecr.3c01820
[5] D. Geldart, A.R. Abrahamsen. “Behaviour of gas-fluidized beds of fine powders. Part II. Voidage of the dense phase in bubbling beds”. Powder Technology, vol. 26, pp. 47, 1980, doi: https://doi.org/10.1016/0032-5910(80)85006-6
[6] A. Haider, O. Levenspiel. “Drag coefficient and terminal velocity of spherical and non-spherical particles”. Powder Technology, vol. 58, pp. 63, 1989, doi: https://doi.org/10.1016/0032-5910(89)80008-7
[7] M. Mamzehei, H. Rahmizadeh, “Experimental and numerical study of hydrodynamics with heat transfer in a gas-solid fluidized-bed reactor at different particle sizes”, Ind. & Eng. Chem. Res., vol. 48, pp. 3177-3186, 2009, doi: https://doi.org/10.1021/ie801413q
[8] Guo, X., Zhou, W., Wei, J., “Numerical simulation of fluidized bed reactor for calcium looping energy release process in thermochemical storage: influence of key conditions”, Ren. Energ., vol. 237, pp. 121532, 2024, doi: https://doi.org/10.1016/j.renene.2024.121532
Published
How to Cite
Conference Proceedings Volume
Section
License
Copyright (c) 2025 Maria Anna Murmura, Valentina Biagioni, Maria Cristina Annesini
This work is licensed under a Creative Commons Attribution 4.0 International License.
Accepted 2025-05-26
Published 2025-11-18