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Mr. Dubey • 89.66K Points
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Q. An aqueous solution of methanol is to be distilled in a tray column. High pressure steam is available as a source of heat. For a given reflux ratio and overhead composition, two options are being explored; (i) a reboiler is used and (ii) no reboiler is used but steam is fed directly to the bottom of the column. As compared to option (i), in option (ii)

  • (A) Less number of trays are required
  • (B) Composition of the residue remains unchanged
  • (C) More number of trays are required but the residue composition remains unchanged
  • (D) More number of trays are required and the residue composition is more dilute in methanol
  • Correct Answer - Option(A)
  • Views: 44
  • Filed under category Mass Transfer
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