An adequate clearance between the tray and the shell wall of a distillation column is provided to_____________________?

A. Avoid back-trapping

B. None of these

C. Drain the liquid from the tray when the unit is not in operation

D. Allow for thermal expansion and facilitate installation

Found an error? Read our corrections policy and submit a sourced correction below. You can also share a useful explanation in your own words.

Discuss the answer or suggest a sourced correction
Thank you for contributing.
Your comment was submitted and will appear after editorial review.

Your email is used only for moderation and is never displayed. Spam, copied material and fabricated endorsements are rejected.