Preliminary Field Test Results From a Photovoltaic Electrodialysis Brackish Water Desalination System in Rural India
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v02bt03a020-detc2018-86183.pdf
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Author(s)
He, Wei
Wright, Natasha Catherine
Amrose, Susan Elizabeth
Buonassisi, Anthony
Peters, Ian Marius
Winter, Amos G.
Date Issued
August 2018
Journal
Proceedings of the ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
Publisher
American Society of Mechanical Engineers
Citation
He, Wei, Natasha C. Wright, Susan Amrose, Tonio Buonassisi, Ian Marius Peters, and Amos G. Winter. “Preliminary Field Test Results From a Photovoltaic Electrodialysis Brackish Water Desalination System in Rural India.” Proceedings of the ASME 2018 International Design Engineering
Technical Conferences and Computers and Information in Engineering Conference, 26-29 August , 2018, Quebec City, Quebec, Canada, ASME, 2018. © 2018 ASME
Version
Final published version
Abstract
Brackish water desalination is crucial to meet basic drinking water needs in rural India. Solar photovoltaic powered electrodialysis (PV-ED) has been justified as a more cost-effective solution than the current dominant reverse osmosis approach for off-grid systems. This paper presents preliminary results from an ongoing field pilot of a village-scale PV-ED system in Chelluru, which is a small village in South India. System performance is compared to predictions of a PV-ED parametric model of local solar irradiance, ED system parameters, power systems parameters, water storage, and cost, validating the model over a single-batch ED operation. An ~88% “solar-to-treated water” conversion efficiency was achieved in a typical ED batch operation, using 2.47±0.27 kWh/m[superscript 3] for brackish desalination in the village. This paper also discusses the difficulties and local constraints encountered during the initial field testing and analyzes system performance in the context of local constraints and availability. Topics: Water
MIT Department
Massachusetts Institute of Technology. Department of Mechanical Engineering
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DOI of Published Version
https://doi.org/10.1115/DETC2018-86183
