Machine-translated by Google. Questions are authored in English.
Top

Discussion

Deodorisation of an edible oil is carried out by

  • A.washing with a dilute alkali
  • B.filtration through a fine cloth
  • C.steam stripping under vacuum
  • D.adsorption on activated carbon

Answer: C

Volatile aldehydes and ketones are stripped at low pressure and around two hundred and forty degrees. The vacuum is essential because the temperature would otherwise damage the oil itself. Steam acts as the stripping agent throughout.

No comment is present. Be the first to comment.
Loading…

Post your comment

Please log in or register to post a comment.