What section of the distillation column is the section located between the rectifying and stripping sections in a distillation column?
A) Rectifying
B) Flash zone
C) Stripping section
D) Feed tray
Answer: B
Explanation: A) Incorrect. The rectifying (fractionating) section is the area of a fractionating column located between the feed tray and the top of the column where the overhead product is purified.
B) Correct. The flash zone is the section located between the rectifying and stripping sections in a distillation column.
C) Incorrect. The stripping section is the section of a distillation column where the heavier components with higher boiling points (bottoms products) are located.
D) Incorrect. The flash zone is the section located between the rectifying and stripping sections in a distillation column.
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