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← ScienceWhich consequence occurs when lowering inlet temperature unevenly across catalyst pellets?
A)Constants of absorption become inconsistent✓
B)Decreased product yield at centerline
C)Equilibrium constant favors reactants
D)Increased catalyst effectiveness factor
💡 Explanation
Inconsistent pellet temperatures shift individual microkinetic rate constants unevenly, leading to variations in effective absorption constants across the packed bed, because temperature dictates absorption rates. Therefore, diffusion limitations vary rather than an overall reaction shift or effectiveness increase.
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