Minimum possible diameter of a packed column is decided mainly by the________________________?
Correct answer: D. Flooding
- A. Liquid hold up
- B. Gas viscosity
- C. Liquid density
- D. Flooding
Explanation
The diameter of a packed column is governed mainly by the allowable gas velocity before flooding occurs. Flooding causes excessive liquid hold-up and pressure drop, so the column must be sized below that limit.
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