Question: 1. Plot the external-age distribution E(t) as a function of time. 2. Plot the external-age cumulative distribution F(t) as a function of time. 3. What

 1. Plot the external-age distribution E(t) as a function of time.2. Plot the external-age cumulative distribution F(t) as a function of time.

1. Plot the external-age distribution E(t) as a function of time.

2. Plot the external-age cumulative distribution F(t) as a function of time.

3. What are the mean residence time t and the variance, ?

4. What fraction of the material spends between 2 and 4 minutes in the reactor? (Ans: Fraction = 0.16)

5. What fraction of the material spends longer than 6 minutes in the reactor?

6. What fraction of the material spends less than 3 minutes in the reactor? (Ans: Fraction = 0.192)

7. Plot the normalized distributions E() and F() as a function of .

8. What is the reactor volume?

9. Plot the internal-age distribution I(t) as a function of time.

10. What is the mean internal age ?

P16-118 OEQ (Old Exam Question). The volumetric flow rate through a reactor is 10 dm/min. A pulse test gave the following concentration measurements at the outlet: t(min)c 10 0 0 0.4 329 1.0 622 2 812 3 831 4 785 5 720 6 650 8 8 523 10 418 15 238 20 136 25 77 30 44 35 25 40 14 45 00 50 5 60 1

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