Chemical Engineering - Mass Transfer - Discussion


Pick out the wrong statement.

[A]. With decrease in feed temperature, the number of plates required for binary distillation decreases for a given L/V ratio.
[B]. The extraction per unit of total height for a short packed column is more effective than for a tall column, in case of liquid-liquid extraction.
[C]. Natural draft cooling towers are made of ferro-concrete and its cross-section is wider at the bottom.
[D]. Vanderwall adsorption is also called chemisorption.

Answer: Option D


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