This paper presents the design and initial testing of a village-scale photovoltaic (PV) powered electrodialysis reversal (EDR) desalination system for rural India. The system was built by the authors and tested at the Brackish Groundwater National Desalination Research Facility in New Mexico. EDR has the potential to be more cost effective than currently installed village-scale reverse osmosis (RO) systems in off-grid locations due to the lower specific energy consumption of EDR versus RO at high recovery ratios. Lower energetic demand leads to lower solar power system costs for off-grid areas. The system tested in this study is designed to validate that energetic, product water quality, and water recovery requirements can be met. An analytical model of the system that accounts for the composition of natural groundwater is presented and compared to initial experimental results. Additionally, results from the USAID Desal Prize are presented showing the system’s performance in regards to recovery ratio and product water quality. This paper presents the design methodology, resulting system parameters, and experimental results for an initial village-scale PV-EDR field trial.
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ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
August 6–9, 2017
Cleveland, Ohio, USA
Conference Sponsors:
- Design Engineering Division
- Computers and Information in Engineering Division
ISBN:
978-0-7918-5813-4
PROCEEDINGS PAPER
Village-Scale Electrodialysis Desalination: Field Trial Validation
Natasha C. Wright
,
Natasha C. Wright
Massachusetts Institute of Technology, Cambridge, MA
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Amos G. Winter, V
Amos G. Winter, V
Massachusetts Institute of Technology, Cambridge, MA
Search for other works by this author on:
Natasha C. Wright
Massachusetts Institute of Technology, Cambridge, MA
Amos G. Winter, V
Massachusetts Institute of Technology, Cambridge, MA
Paper No:
DETC2017-68410, V02BT03A019; 8 pages
Published Online:
November 3, 2017
Citation
Wright, NC, & Winter, AG, V. "Village-Scale Electrodialysis Desalination: Field Trial Validation." Proceedings of the ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 2B: 43rd Design Automation Conference. Cleveland, Ohio, USA. August 6–9, 2017. V02BT03A019. ASME. https://doi.org/10.1115/DETC2017-68410
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