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Which risk increases when using a powdered catalyst in an industrial slurry reactor without inert gas blanketing?

A)Decreased catalyst surface area
B)Uncontrolled exothermic reaction rate
C)Increased rate determining inhibition
D)Reduced product selectivity

💡 Explanation

Uncontrolled exothermic reactions can occur because powdered catalysts have dramatically higher surface areas. This accelerates the Oxidation rate in the slurry by Auto-oxidation, therefore causing a thermal runaway reaction, rather than decreased area/inhibited/reduced product, which require drastically different conditions.

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