Question: * * * Only need an answer to part h ( i ) and part j ( Please include the ODE solver used ) The

***Only need an answer to part h (i) and part j (Please include the ODE solver used)
The following liquid-phase reactions were carried out in a CSTR at 325K :
3AB+C,-r1A=k1ACA,k1A=7.0min-1
2C+Alongrightarrow3D,r2D=k2DCC2CA,k2D=3.0dm6mol2*min
4D+3Clongrightarrow3E,r3E=k3ECDCC,k3E=2.0dm3(mol)*min
Sketch the trends or
results you expect
before working out
the details of the
problem.
The concentrations measured inside the reactor were CA=0.10,CB=0.93,CC=0.51, and CD=
0.049 all in moldm3.
(a) What are r1A,r2A, and r3A?(r1A=-0.7moldm3*min)
(b) What are r1B,r2B, and r3B?
(c) What are r1C,r2C, and r3C?(r1C=0.23moldm3*min)
(d) What are r1D,r2D, and r3D?
(e) What are r1E,r2E, and r3E?
(f) What are the net rates of formation of A, B, C, D, and E?
(g) The entering volumetric flow rate is 100dm3min and the entering concentration of A is 3M. What is
the CSTR reactor volume? (Ans.: 400dm3.)
(h) What are the exit molar flow rates from the 400dm3 CSTR?
Note: The following parts require an ODE solver and are of "B level" difficulty.
(i) PFR. Now assume the reactions take place in the gas phase. Use the preceding data to plot the
molar flow rate's selectivity and p as a function of PFR volume up to 400dm3. The pressure-drop
parameter is 0.001dm-3, the total concentration entering the reactor is 0.2moldm3, and v0=100
dm3min. What are tilde(S)DE and tilde(S)CD?
(j) Membrane Reactor. Repeat (i) when species C diffuses out of a membrane reactor and the trans-
port coefficient, kC, is 10min-1. Compare your results with part (i).
 ***Only need an answer to part h (i) and part j

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