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A techno-economic investigation of conventional and innovative desiccant solutions based on moisture sorption analysis

Giampieri, Alessandro; Machado, Yngrid; Ling-Chin, Janie; Roskilly, Anthony Paul; Ma, Zhiwei

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Authors

Yngrid Machado



Abstract

Liquid desiccant technology is an energy-efficient substitute for technologies that are conventionally applied for temperature and humidity control; however, innovative desiccant solutions have not been extensively explored in terms of their performance and feasibility. This work aimed to investigate desiccant solutions with moisture sorption analysis technically and economically. Various conditions of temperature and humidity were tested in a climatic chamber and the moisture absorption and desorption capacity, thermo-chemical energy storage capacity, and cost of conventional and innovative desiccant solutions were assessed by experiment. Calcium chloride showed the highest moisture desorption capacity (0.3113 gH2O/gsol in the climatic chamber at 50 °C and 25% RH) and the lowest cost, despite its low moisture absorption capacity. Ionic liquids show high moisture absorption capacity (as high as 0.429 gH2O/gsol in the climatic chamber at 25 °C and 90% RH) and could be used as additives (in which a maximum increase of 84.1% was observed for moisture absorption capacity due to the addition of ionic liquids), and thus, they are promising substitutes for conventional desiccant solutions. As solutions for better performance under various conditions were identified, the study will advance liquid desiccant technology.

Citation

Giampieri, A., Machado, Y., Ling-Chin, J., Roskilly, A. P., & Ma, Z. (2023). A techno-economic investigation of conventional and innovative desiccant solutions based on moisture sorption analysis. Heliyon, 9(8), Article e18825. https://doi.org/10.1016/j.heliyon.2023.e18825

Journal Article Type Article
Acceptance Date Jul 30, 2023
Online Publication Date Jul 31, 2023
Publication Date 2023-08
Deposit Date Aug 18, 2023
Publicly Available Date Aug 18, 2023
Journal Heliyon
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 9
Issue 8
Article Number e18825
DOI https://doi.org/10.1016/j.heliyon.2023.e18825
Keywords Multidisciplinary
Public URL https://durham-repository.worktribe.com/output/1721448

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