Desalination adoption outpaces the development of effective strategies for managing the concentrated brine streams it produces. Electrochemical water-salt splitting to generate useful chemicals is an ideal method to valorize wastewater from desalination and incentivize its collection.
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The fast-rising number of desalination plants worldwide—now almost 16,000, with capacity concentrated in the Middle East and North Africa—quench a growing thirst for freshwater but create a salty dilemma as well: how to deal with all the chemical-laden leftover brine. In a UN-backed paper, experts estimate the freshwater output capacity of desalination plants at 95 million cubic meters per day—comparable
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