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90 19.19 20% = slope = Cp = 40x5 80000 = 400 I Plug flow with recycle is best. let the opt. of rectangles Reaction rate is 1/5 of that 250 suggest where to locate in the chart. this line. XA 100 = R2= = 0.22 50 = FA. areal = (20) (4.64) area 1 = 464 kg.s Q = 1.23 = 92.8 kg = area2= = (20) (17.3) = 346 kg 0 0.2 0.4 0.6 0.8 XA R2 I Heat duty 0.63 0.85 0.32 058 Q, = Cp (AT = (20) (650-300) = 1.4 J/S (heating) slope = 400 = = (20)(200) (670-880) 0.85 = - 0.84 J/S (cooling) 0.58 XA Note that this solution was obtained after a few trials. 777 0 300 650 880 T 670 690 780 XA XA=0.58 = 0.58 300k 650K 777K 880K 670K 690K 780K XA =0.85 = Qin = 1.4 MW = kg = kw W2 = 346 kg 880K 780K = 0.22 =

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