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← ScienceWhich outcome decreases the yield in a catalytic reactor?
A)Catalyst bed partial pressure drop✓
B)Increased reactant surface area
C)High catalyst dispersion strength
D)Optimized active metallic site loading
💡 Explanation
A partial pressure drop reduces reactant concentrations, therefore reducing yield because it diminishes the effectiveness of adsorption into the active sites, hindering the Langmuir-Hinshelwood mechanism; rather than faster kinetics through surface reactions under less pressure.
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