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← ScienceWhich outcome occurs when highly charged ions accumulate excessively near a desalination membrane?
A)Increased membrane scaling and fouling✓
B)Enhanced water flux through membrane
C)Reduced energy consumption overall
D)Improved salt rejection performance
💡 Explanation
Membrane scaling increases because electrostatic attraction concentrates ions beyond solubility limits, forming precipitates via ionic bonding. Therefore, scaling occurs rather than flux increase because precipitation fouls the membrane, restricting water passage.
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