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← ScienceWhich risk increases when reactants continuously flow through a catalytic reactor?
A)Catalyst poisoning occurs due to fouling✓
B)Space-time yield reaches equilibrium faster
C)Recirculation flow reduces conversion rate
D)Residence time matches reaction half-life
💡 Explanation
Catalyst poisoning is more likely because continuous flow provides a steady supply of impurities as reactants bind active sites, blocking them via adsorption, therefore catalytic activity decreases permanently rather than reaching desirable yield conversions initially.
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