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Field demonstration of a cost-optimized solar powered electrodialysis reversal desalination system in rural India
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He, Wei, Amrose, Susan, Wright, Natasha C., Buonassisi, Tonio, Peters, Ian M. and Winter, Amos G. (2020) Field demonstration of a cost-optimized solar powered electrodialysis reversal desalination system in rural India. Desalination, 476 . 114217. doi:10.1016/j.desal.2019.114217
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Official URL: https://doi.org/10.1016/j.desal.2019.114217
Abstract
This study provides experimental validation of a previously published optimal design theory for photovoltaic (PV)-powered electrodialysis reversal (EDR) desalination systems. The prior work describes the co-optimization of PV and EDR subsystems, and flexible operation to accommodate daily and annual solar irradiance variability, significantly reducing water cost. This study presents the fabrication of a PV-EDR pilot system designed using the co-optimization theory and field testing results from the rural village of Chelluru, India. Testing in the field enabled observation and evaluation of real-world factors on system performance, resulting in updates to the previous theory to include unaccounted factors that affect costs, including: filling and draining of water tanks, salt and water accumulation in tanks from prior batches, unexpected energy losses due to locally purchased converters, and scaling in the ED stack. Therefore, water cost in the PV-EDR pilot system was updated from previous estimates based on field performance. The estimated capital cost and lifetime cost of the Chelluru system are 34% and 45% lower, respectively, than the corresponding costs if the PV-EDR system was designed using conventional design practice. The theory and experimental insights presented in this paper will enable desalination engineers to better design and optimize PV-EDR systems.
| Item Type: | Journal Article | ||||||||||||||||||
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| Subjects: | T Technology > TD Environmental technology. Sanitary engineering T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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| Divisions: | Faculty of Science > Engineering | ||||||||||||||||||
| SWORD Depositor: | Library Publications Router | ||||||||||||||||||
| Library of Congress Subject Headings (LCSH): | Photovoltaic power systems , Saline water conversion -- Electrodialysis process, Saline water conversion -- India -- Chelluru | ||||||||||||||||||
| Journal or Publication Title: | Desalination | ||||||||||||||||||
| Publisher: | Elsevier BV | ||||||||||||||||||
| ISSN: | 0011-9164 | ||||||||||||||||||
| Official Date: | 15 February 2020 | ||||||||||||||||||
| Dates: |
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| Date of first compliant deposit: | 12 February 2020 | ||||||||||||||||||
| Volume: | 476 | ||||||||||||||||||
| Article Number: | 114217 | ||||||||||||||||||
| DOI: | 10.1016/j.desal.2019.114217 | ||||||||||||||||||
| Status: | Peer Reviewed | ||||||||||||||||||
| Publication Status: | Published | ||||||||||||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||||||||||||
| RIOXX Funder/Project Grant: |
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