Which outcome occurs in desalination membranes when exposed to excessive applied currents?

💡 Explanation

Excessive current causes electrochemical reactions, exceeding the electrochemical stability window of the membrane material, resulting in hydroxide (OH-) and hydronium (H3O+) formation. This leads to membrane ionic breakdown because it affects crosslinking and causes structural degradation, rather than simply scaling. therefore this mode damages before scaling or the impact happens on the permeability.

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