A feasibility study of municipal wastewater desalination using electrodialysis reversal to provide recycled water for horticultural irrigation

Nigel B. Goodman; Russell J. Taylor; Zongli Xie; Yesim Gozukara; Allan Clements

doi:10.1016/j.desal.2013.02.010

A feasibility study of municipal wastewater desalination using electrodialysis reversal to provide recycled water for horticultural irrigation

Nigel B. Goodman, Russell J. Taylor, Zongli Xie, Yesim Gozukara, Allan Clements

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79 Citations (Scopus)

Abstract

A membrane desalination system based on electrodialysis reversal (EDR) has been evaluated for its capacity to remove salt from treated municipal wastewater to provide a source of recycled water for horticultural applications. Economic and technical feasibility was determined using data collected from a pilot scale plant, from which the following parameters were calculated: salt removal, water recovery and overall process economics. The pilot plant consisted of a pre-treatment multimedia filtration unit (MMF) and an EDR system with a capacity of approximately 144. kL/day. Treated effluent from a wastewater treatment plant (WWTP) was used as feed water for the desalination pilot plant. Water quality guidelines for horticulture specify an upper limit for total dissolved solids (TDS) of 375. mg/L. The EDR process reduced the TDS from 1104. mg/L to 328. mg/L. Additionally, the process reduced the conductivity of recycled water by 72%, including the removal of 84% calcium, 76% chloride, 59% fluoride, 64% alkalinity and 60% phosphate, demonstrating that the EDR treated water is a viable alternative supply. The power consumption of the EDR plant was found to be 0.6. kW. h/kL and the media filtration 0.4. kW/kL. The total operating cost was estimated to be 18. cents/kL to deliver 82% water recovery.

Original language	English
Pages (from-to)	77-83
Number of pages	7
Journal	Desalination
Volume	317
DOIs	https://doi.org/10.1016/j.desal.2013.02.010
Publication status	Published - 5 May 2013
Externally published	Yes

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title = "A feasibility study of municipal wastewater desalination using electrodialysis reversal to provide recycled water for horticultural irrigation",

abstract = "A membrane desalination system based on electrodialysis reversal (EDR) has been evaluated for its capacity to remove salt from treated municipal wastewater to provide a source of recycled water for horticultural applications. Economic and technical feasibility was determined using data collected from a pilot scale plant, from which the following parameters were calculated: salt removal, water recovery and overall process economics. The pilot plant consisted of a pre-treatment multimedia filtration unit (MMF) and an EDR system with a capacity of approximately 144. kL/day. Treated effluent from a wastewater treatment plant (WWTP) was used as feed water for the desalination pilot plant. Water quality guidelines for horticulture specify an upper limit for total dissolved solids (TDS) of 375. mg/L. The EDR process reduced the TDS from 1104. mg/L to 328. mg/L. Additionally, the process reduced the conductivity of recycled water by 72%, including the removal of 84% calcium, 76% chloride, 59% fluoride, 64% alkalinity and 60% phosphate, demonstrating that the EDR treated water is a viable alternative supply. The power consumption of the EDR plant was found to be 0.6. kW. h/kL and the media filtration 0.4. kW/kL. The total operating cost was estimated to be 18. cents/kL to deliver 82% water recovery.",

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author = "Goodman, {Nigel B.} and Taylor, {Russell J.} and Zongli Xie and Yesim Gozukara and Allan Clements",

note = "Funding Information: This work was supported by The Smart Water Fund, an Initiative of the Victorian Government and CSIRO's Water for a Healthy Country Flagship , the authors gratefully acknowledge this financial assistance.",

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AU - Taylor, Russell J.

AU - Xie, Zongli

AU - Gozukara, Yesim

AU - Clements, Allan

N1 - Funding Information: This work was supported by The Smart Water Fund, an Initiative of the Victorian Government and CSIRO's Water for a Healthy Country Flagship , the authors gratefully acknowledge this financial assistance.

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N2 - A membrane desalination system based on electrodialysis reversal (EDR) has been evaluated for its capacity to remove salt from treated municipal wastewater to provide a source of recycled water for horticultural applications. Economic and technical feasibility was determined using data collected from a pilot scale plant, from which the following parameters were calculated: salt removal, water recovery and overall process economics. The pilot plant consisted of a pre-treatment multimedia filtration unit (MMF) and an EDR system with a capacity of approximately 144. kL/day. Treated effluent from a wastewater treatment plant (WWTP) was used as feed water for the desalination pilot plant. Water quality guidelines for horticulture specify an upper limit for total dissolved solids (TDS) of 375. mg/L. The EDR process reduced the TDS from 1104. mg/L to 328. mg/L. Additionally, the process reduced the conductivity of recycled water by 72%, including the removal of 84% calcium, 76% chloride, 59% fluoride, 64% alkalinity and 60% phosphate, demonstrating that the EDR treated water is a viable alternative supply. The power consumption of the EDR plant was found to be 0.6. kW. h/kL and the media filtration 0.4. kW/kL. The total operating cost was estimated to be 18. cents/kL to deliver 82% water recovery.

AB - A membrane desalination system based on electrodialysis reversal (EDR) has been evaluated for its capacity to remove salt from treated municipal wastewater to provide a source of recycled water for horticultural applications. Economic and technical feasibility was determined using data collected from a pilot scale plant, from which the following parameters were calculated: salt removal, water recovery and overall process economics. The pilot plant consisted of a pre-treatment multimedia filtration unit (MMF) and an EDR system with a capacity of approximately 144. kL/day. Treated effluent from a wastewater treatment plant (WWTP) was used as feed water for the desalination pilot plant. Water quality guidelines for horticulture specify an upper limit for total dissolved solids (TDS) of 375. mg/L. The EDR process reduced the TDS from 1104. mg/L to 328. mg/L. Additionally, the process reduced the conductivity of recycled water by 72%, including the removal of 84% calcium, 76% chloride, 59% fluoride, 64% alkalinity and 60% phosphate, demonstrating that the EDR treated water is a viable alternative supply. The power consumption of the EDR plant was found to be 0.6. kW. h/kL and the media filtration 0.4. kW/kL. The total operating cost was estimated to be 18. cents/kL to deliver 82% water recovery.

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A feasibility study of municipal wastewater desalination using electrodialysis reversal to provide recycled water for horticultural irrigation

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