Membraneless Separation: Shock the salt out of seawater

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“When an electric current flows through the system, the salty water divides into regions where the salt concentration is either depleted or enriched. When that current is increased to a certain point, it generates a shockwave between these two zones, sharply dividing the streams and allowing the fresh and salty regions to be separated by a simple physical barrier at the centre of the flow.”

via Scientists have figured out how to shock the salt out of seawater – ScienceAlert.

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