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 ...

The stable isotopes hydrogen and oxygen (δ 2 H and δ 18 O, respectively) in soil water are widely used in ecological studies, which rely on the accurate extraction of unfractionated water from ...

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 ...

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 ...