Integrated Valorization of Desalination Brine through NaOH Recovery: Opportunities and Challenges
Author(s)
Kumar, Amit; Phillips, Katherine Reece; Cai, Janny; Schröder, Uwe; Lienhard, John H
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The rising use of seawater desalination for fresh water production is driving a parallel rise in the discharge of high‐salinity brine into the ocean. Better utilization of this brine would have a positive impact on the energy use, cost, and environmental footprint of desalination. Furthermore, intermittent renewable energy can easily power the brine utilization and, for reverse osmosis technology, the entire desalination plant. One pathway toward these goals is to convert the otherwise discharged brine into useful chemicals; waste could be transformed into sodium hydroxide or caustic soda (NaOH) and hydrochloric acid (HCl). In this Minireview, we discuss opportunities and challenges for integrated valorization of desalination brine through NaOH and HCl recovery. Keywords: bipolar membrane electrodialysis; desalination brine; HCl recovery; NaOH recovery sustainable chemistry
Date issued
2019-02Department
Massachusetts Institute of Technology. Department of Mechanical Engineering; Massachusetts Institute of Technology. Department of Chemical EngineeringJournal
Angewandte Chemie International Edition
Publisher
Wiley
Citation
Kumar, Amit et al. "Integrated Valorization of Desalination Brine through NaOH Recovery: Opportunities and Challenges." Angewandte Chemie International Edition 58, 20 (February 2019): 6502-6511 © 2019 Wiley
Version: Author's final manuscript
ISSN
1433-7851
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