Lube vacuum pipestill

Achieves low viscosity and volatility using efficiently fractionated solvent neutrals from the lubes vacuum pipestill via one base stock per feed. 

Lube Vacuum Distillation Unit (VDU) or Vacuum Pipestill (VPS) - Viscosity and Volatility Control... 

Crude oil was first distilled in batch distillation, like a lab technique, beginning in the 1850s. Advancements were made by increasing the size of the batch vessel. A continuous process was developed by using a series of batch stills - called a battery. The first continuous pipestill appeared in the 1920s and the modem pipestill came on the scene in the 1930s. A typical lube vacuum distillation unit is shown below (Fig 6). 

Fractionation equipment, a vacuum pipestill (VPS) or vacuum distillation unit (VDU) is used to distill atmospheric bottoms into gas oil or lube distillate cuts. 

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