Process Dynamics And Control, 4e
16th Edition
ISBN: 9781119385561
Author: Seborg, Dale E.
Publisher: WILEY
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Chapter 3, Problem 3.21E
Interpretation Introduction
Interpretation:
The exit concentration and temperature coefficient of tank-3 by applying symbolic system software method using matlab program.
Concept introduction:
The DE representing a system of stirred tank reactor are
Where the mass concentration is denoted by cAi The feed flow rate is denoted by wi.
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Example A continuous fractionating column is to be design to separate 30 Ib/h of a mixture of 40 percent benzene and 60 percent toluene into an overhead product containing 97 percent benzene and a bottom product containing 98 percent toluene. These percentages are by weight. A reflux ratio of 3.5 mol to 1 mol of product is to be used. The molal latent heats of benzene and toluene are 7,360 and 7,960 cal/mol, respectively. Benzene and toluene form an ideal system with a relative volatility of about 2.5; the equilibrium curve is shown in Figure below. The feed has a boiling point of 95 °C at a pressure of 1 atm.
(a) Calculate the moles of overhead product and bottom product per hour.
(b) Determine the number of ideal plate and the position of the feed plate:
(i) if the feed is liquid and at its boiling point.
(ii)if the feed is liquid and at 20 °C (specific heat 0.44 cal/ g.°C) (iii) if the feed is a mixture of two-thirds vapor and one-third liquid.
(c) If steam at 20 Ib/in? (1.36 atm)…
Hydrogen, important for numerous processes, can be produced by the shift reaction:
CO+H2O-CO2 +H2
In the reactor system shown in the Figure, the conditions of conversion have been adjusted so
that the H2 content of the effluent from the reactor is 3 mol %. Based on the data in following
figure:
a. Calculate the composition of the fresh feed.
b. Calculate the moles of recycle per mole of hydrogen produced.
Recycle
CO, H2O
Feed
CO
H₂O
Reactor
%
3 mol %
H₂
Separator
%
CO₂ 48
H₂ 48
CO 4
Chapter 3 Solutions
Process Dynamics And Control, 4e
Ch. 3 - Find the Laplace transforms of the following...Ch. 3 - Prob. 3.2ECh. 3 - Prob. 3.3ECh. 3 - Prob. 3.4ECh. 3 - Prob. 3.5ECh. 3 - Using PFE where required, find X(t) for a....Ch. 3 - Expand each of the following s-domain functions...Ch. 3 - For the integro-differential equation,...Ch. 3 - Prob. 3.9ECh. 3 - Which solutions of the following equations will...
Ch. 3 - Prob. 3.11ECh. 3 - Find the complete time-domain solutions for the...Ch. 3 - Prob. 3.13ECh. 3 - Prob. 3.14ECh. 3 - Prob. 3.15ECh. 3 - Prob. 3.16ECh. 3 - UseLaplace transforms to find the solution to the...Ch. 3 - Prob. 3.18ECh. 3 - Prob. 3.19ECh. 3 - Prob. 3.20ECh. 3 - Prob. 3.21ECh. 3 - Solve this ODE using a Symbolic software program:...
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