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 ...

Distillation shapes a spirit’s flavor, aroma, and texture by removing unwanted compounds while concentrating ethanol and desirable characteristics. Different methods — such as pot still, column still, ...

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 ...