Review of Reactors with Potential Use in Thermochemical Energy Storage in Concentrated Solar Power Plants

The aim of this study is to perform a review of the state-of-the-art of the reactors available in the literature, which are used for solid–gas reactions or thermal decomposition processes around 1000 °C that could be further implemented for thermochemical energy storage in CSP (concentrated solar po...

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Bibliographic Details
Published in:Energies (Basel) 2018-09, Vol.11 (9), p.2358
Main Authors: Zsembinszki, Gabriel, Solé, Aran, Barreneche, Camila, Prieto, Cristina, Fernández, A., Cabeza, Luisa
Format: Article
Language:English
Subjects:
Altes temperatures
Chemical reactions
Closed systems
concentrated solar power (CSP)
Decomposition reactions
Emmagatzematge d'energia tèrmica
Energy storage
Fixed beds
Fluidized bed reactors
Fluidized beds
Gas-solid reactions
Heat storage
high temperature
High temperatures
Organic chemistry
Power plants
Reactors
review
Solar energy
Solar power
solid–gas reactors
Thermal decomposition
thermochemical energy storage (TCM)
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Summary:The aim of this study is to perform a review of the state-of-the-art of the reactors available in the literature, which are used for solid–gas reactions or thermal decomposition processes around 1000 °C that could be further implemented for thermochemical energy storage in CSP (concentrated solar power) plants, specifically for SPT (solar power tower) technology. Both direct and indirect systems can be implemented, with direct and closed systems being the most studied ones. Among direct and closed systems, the most used configuration is the stacked bed reactor, with the fixed bed reactor being the most frequent option. Out of all of the reactors studied, almost 70% are used for solid–gas chemical reactions. Few data are available regarding solar efficiency in most of the processes, and the available information indicates relatively low values. Chemical reaction efficiencies show better values, especially in the case of a fluidized bed reactor for solid–gas chemical reactions, and fixed bed and rotary reactors for thermal decompositions.
ISSN:1996-1073
1996-1073
DOI:10.3390/en11092358