GATE CH 2020 CH Q6: Chemical Reaction Engineering

In a laboratory experiment, a unit pulse input of tracer is given to an ideal plug flow reactor operating at steady state with a recycle ratio,

. The exit age distribution,

, of the tracer at the outlet of the reactor is measured. The first four pulses observed at

, and

are shown below.

In addition, use the following data and assumptions:

is defined as ratio of the volume of fluid returned to the entrance of the reactor to the volume leaving the system

No reaction occurs in the reactor

Ignore any dead volume in the recycle loop

If the space time of the plug flow reactor is

seconds, which one of the following is correct?

Your answerChoose one option.

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