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Which outcome occurs when a molecular sieve exceeds capacity?

A)Breakthrough of unwanted chemical species
B)Increased selectivity for target molecules
C)Regeneration efficiency enhancement
D)Sorbent structural integrity improves

💡 Explanation

Molecular sieves rely on size-exclusion for separation, therefore when adsorption capacity is reached, breakthrough occurs because the driving force for selective capture reverses rather than saturation leading to improved selectivity.

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