Small dia distillation column can be a _________________________?
Correct answer: B. Packed column
- A. Sieve tray
- B. Packed column
- C. Bubble cap
- D. Any of these
Explanation
Small-diameter distillation columns are commonly packed because packing is easier to install and gives lower cost and pressure drop at small scale. Tray columns, especially bubble-cap and sieve-tray designs, become difficult to fabricate and operate efficiently at very small diameters.
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