Volume 43
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Kang, Q., Flamant, G., Dewil, R., Baeyens, J., Zhang, H. L., & Deng, Y. M. (2019). Particles in a circulation loop for solar energy capture and storage. Particuology, 43, 149-156. https://doi.org/10.1016/j.partic.2018.01.009
Particles in a circulation loop for solar energy capture and storage
Q. Kang a, G. Flamant b, R. Dewil a, J. Baeyens c d, H.L. Zhang d, Y.M. Deng d *
a KU Leuven, Department of Chemical Engineering, Process and Environmental Technology Lab, 2860, Sint-Katelijne-Waver, Belgium
b Processes, Materials and Solar Energy Laboratory, PROMES-CNRS, 66120, Font Romeu, France
c European Powder & Process Technology, 3120 Tremelo, Belgium
d Beijing University of Chemical Technology, School of Life Science and Technology, Beijing 10029, China
10.1016/j.partic.2018.01.009
Volume 43, April 2019, Pages 149-156
Received 28 June 2017, Revised 19 January 2018, Accepted 22 January 2018, Available online 20 June 2018, Version of Record 19 February 2019.
E-mail: dengyimin0718@163.com

Highlights

• Particle selection was conducted for use in a circulation loop as solid/gas suspension HTFs.

• Health and environmental hazards of the candidate powders were examined.

• A cost comparison and tentative ranking of different candidate powders was presented.

• Olivine had the most favourable characteristics, followed by cristobalite and sintered bauxite.


Abstract

This study defines and assesses the selection criteria for suitable particulate materials to be used in an upflow bubbling fluidized bed (UBFB) or dense up-flow powder circulation system for solar energy capture and storage. The main criteria identified are based on the thermophysical and thermomechanical properties, attrition behavior, and the considerations of health and environmental hazards of the candidate powders. Finally, a cost comparison and tentative ranking of the different candidate powders is presented in addition to a weighted scoring. Significant scoring differences can be observed between the various materials. Olivine possesses the most favorable characteristics and appears to be the particulate material of choice for solid/gas suspension heat transfer fluids.

Graphical abstract
Keywords
Concentrated solar power; Particle-in-tube receiver; Particle properties; Selection criteria