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 ...

That vitamins A and D can now be produced to sell as cheaply as good brandy is a fact which the chemical engineers of Arthur D. Little, Inc. let out of the pandora box of industry last week. The ...

Advanced vacuum technologies are redefining safety, efficiency, and purity across every stage of lithium-ion battery ...

This article introduces a CDU-VDU configuration tailored for grassroots refineries, decoupling stripping and rectification sections via a dedicated flash drum to enable steam-free rectification.

Citgo Petroleum Corp., Houston, has restarted a vacuum distillation unit and a delayed coker at its Lake Charles, La., refinery, both of which had been offline since the summer of 2020. Citgo ...