Refinery vacuum distillation units (VDUs) use ejector systems to establish and maintain distillation-column pressure for capturing valuable crude fractions and reducing vacuum residuum. Reliable ...
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 ...
* Expansion will make Motiva Port Arthur largest U.S. refinery * Coker to be shut for work later this month -sources * Vacuum unit to be shut in May for overhaul -sources By Erwin Seba HOUSTON, April ...
NEW YORK, Nov 13 (Reuters) - Exxon Mobil Corp said Friday it restarted earlier this week a vacuum distillation unit (VDU) at its 238,600 barrel-per-day refinery in Joliet, Illinois, after maintenance ...
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