Vacuum distillation process

Details Vacuum distillation process Vacuum distillation process

B - Operations, Transporting

01

D

202/101

B01D 3/10 (2006.01)

Patent

CA 2009571

Vacuum distillation process comprising introducing a feed which contains liquid hydrocarbons and vaporous hydrocarbons into an inlet section (3) of a distillation column (1) operating at a subatmospheric pressure, removing liquid from a bottom section (6) of the distillation column (1), allowing vapour to pass through three condensation sections (13b, 13a and 13) arranged above each other in the distillation column (1) between the inlet section (3) and a top section (8), removing vapour from the top section (8), spraying into each condensation section (13, 13a and 13b) cooled liquid, and removing liquid from each condensation section (13, 13a and 13b), wherein the cooled liquid which is sprayed into each condensation section (13, 13a and 13b), comprises liquid removed from that condensation section (13, 13a, and 13b) and wherein the cooled liquid which is sprayed in the uppermost condensation section (13) further comprises liquid removed from the condensation sections (13a, 13b) arranged below the uppermost condensation section (13).

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