vacuum distillation unit in refinery - 0 views
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peiyangchem on 26 Dec 24Vacuum Distillation Unit (VDU): further distills the residue oil from the bottom of the crude oil distillation unit. The vacuum distillation is performed at a pressure well below atmospheric pressure. The vacuum distillation unit is widely used to separate substance that decomposed, oxidized or polymerized at a temperature far below the boiling point at CDU condition.