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← ScienceWhich outcome occurs when a catalyst deactivates during a chemical reaction within a continuous stirred-tank reactor (CSTR)?
A)Increase in reactor temperature
B)Oscillation in product concentration
C)Diminution in reaction throughput✓
D)Reduction in reactant residence time
💡 Explanation
When a catalyst deactivates within a CSTR, the overall reaction rate decreases because fewer active catalyst sites are available, leading to a reduction in the rate of product formation and, therefore, the reaction throughput. Therefore, the throughput diminishes, rather than oscillation, temperature increase, or residence time decrease as the flow rate is maintained by the continuous operation of the CSTR.
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