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Non-ideal reactors and residence time distribution (RTD). The following table provides concentration readings of a continuous
response to a pulse feed (Delta function) tracer tests for a closed vessel which is to be used as a chemical reactor.
| Time t, min | Tracer output concentration gm/L |
| 0 | 0 |
| 5 | 3 |
| 10 | 5 |
| 15 | 5 |
| 20 | 4 |
| 25 | 2 |
| 30 | 1 |
| 35 | 0 |
a) Calculate the mean residence time and the vessel dispersion number.
b) Consider a first order decomposition reaction (k = 0.307 min-1) to be carried out in this reactor.
If the vessel behaves as an ideal plug flow reactor with detention time same as the mean residence time, find the conversion.
c) Find the actual conversion for the same vessel when it behaves non-ideally as demonstrated by the tracer tests.
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