Refinery vacuum distillation units (VDUs ... This is often attributable to additional demands placed on the utility plant from new process units, capacity creep, and aging utility-plant equipment ...

A complex piece of equipment, the converging-diverging steam jet used in vacuum distillation units is subject to a wide array of malfunctions that are often misunderstood or overlooked by plant ...

Oasis estimates it could use 66 000 litres of used oil as feedstock per day, which comes to 2 046 tonnes of reclaimed product fed into the vacuum distillation plant per month.