For a fixed number of ideal stages in a distillation column, as the reflux ratio is increased, the difference in composition between the top and bottom product streams__________________?
Correct answer: A. Increases
- A. Increases
- B. Decreases
- C. Remain unaffected
- D. Passes through a maximum
Explanation
Increasing reflux increases the internal liquid and vapour flow and moves the operating lines closer to the desired high-purity limit. With a fixed number of stages, this generally increases the difference between the top and bottom product compositions.
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