48 Problem 10 6 Page 248 Reactor Design For Parallel Reactions The Trambouze Reactions Reactions In Parallel Given T 1 (44.08 KiB) Viewed 13 times
48 Problem 10 6 Page 248 Reactor Design For Parallel Reactions The Trambouze Reactions Reactions In Parallel Given T 2 (44.08 KiB) Viewed 13 times
48. Problem 10.6 (page 248) Reactor design for parallel reactions The Trambouze Reactions-Reactions in parallel. Given the set of ele- mentary reactions with a feed of CAD = 1 mol/liter and v= 100 liters/min we wish to maximize the fractional yield, not the production of S, in a reactor arrangement of your choice. Rdesired FR = ko ko = 0.025 mol/liter-min rs= k₁CA k₁ = 0.2 min-¹ ry=k₂C²k₂=0.4 liter/mol-min The computer, going through a multidimensional search [see problem 3, Chem. Eng. Sci., 45, 595-614 (1990)] came up with the arrangement of Fig. P10.6, which the authors claim is a LOCAL optimum, or a STATION- ARY POINT. We are not interested in LOCAL optima, if such things exist. We are interested in finding the GLOBAL optimum. So with this in mind, (a) do you judge that the arrangement of Fig. P10.6 is the best set up? (b) if not, suggest a better scheme. Sketch your scheme and calculate the volume of the reactors you plan to use. 100 liters/min 20 liters/min CAO=1 mol/liter = 149.276 liters MFR V600.63 liters PER 3.77 liters/min
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