D14. a. We are distilling methanol and water in a coin packed with 1-inch ceramic Berl saddles. The bottoms composition is XXXXXXXXXXmale fraction methanol. The colum operates at 1 atm pressure. The...

D14. a. We are distilling methanol and water in a coin packed with 1-inch ceramic Berl saddles. The bottoms composition is 0.0001 male fraction methanol. The colum operates at 1 atm pressure. The feed to the coin is a saturated liquid at 1000.0 lanol/day and is 40 mol% methanol. An UD = 2.0 will be used. The distillate product is 0.998 mole fraction methanol. If we will operate at a vapor flow rate that is 80% of flooding, calculate the diameter based on conditions at the bottom of the coin. Data are available in Tafilec 2-7 and .10E3. You may assume the vapors are an ideal gas. Viscosity of water at 100°C is 0.26 cP. b. Suppose we wanted to use 1-inch plastic Intalox saddles. What diameter is required? Note: Part b can be done in one line once part a is finished. D15. Repeat Problem 10 1114a except determine the diameter of a sieve plate coltum operating at 80% of flooding velocity. Use a 0.3048 m tray spacing and q = 0.85. The liquid surface tension of pure water is o = 58.9 dynes/cm at 100°C.
May 07, 2022
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