**G1.** Repeat the computer simulation proof of feasibility for Example 11-3, but using the flowsheet in Figure 11-10b. The input for the simulator should be based on the solution to Problem 11.D6. If desired, you may input the recycle stream and the fresh feed to different stages in the first column.

**G2.** Repeat the computer simulation proof of feasibility for Example 11-3, but with no recycle. The input for the simulator should be based on the solution to Problem 11.D7.

**a.** For process in Figure 11-10a.

**b.** For process in Figure 11-10b.

**G3.** A distillation column is being designed to process a feed that is 10 mol% ethanol and 90 mol% water. The feed rate is 100 kmol/h, and the feed is a saturated liquid at a pressure of 5.0 atm. ...

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