What type of reactor is a reactor vessel in which the catalyst bed is stationary as the reactants are passed over it?
A) Tubular reactor
B) Fixed bed reactor
C) Stirred tank reactor
D) Fluidized bed reactor
Answer: B
Explanation: A) Incorrect. A tubular reactor is a cylindrical heat exchanger used to contain a reaction.
B) Correct. A fixed bed reactor is a reactor vessel in which the catalyst bed is stationary as the reactants are passed over it.
C) Incorrect. A stirred tank reactor contains a mixer or agitator mounted to the tank.
D) Incorrect. A fluidized bed reactor uses countercurrent flows of gas to suspend and separate solids.
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