What is the working of vaccum distilation coloumn in a
petroleum refinary?
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Answer Posted / sourya
All the fractions that can be separated by the distillation
process under atmospheric conditions is separated in the ADU
and the higher molecular weight fractions that crack under
those conditions to produce carbon(petroleum coke) is
removed as the bottoms and then passed on to the next Vacuum
Distillation unit(VDU) for recovery of all the higher fractions.
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