.~> And returning product of distillation step to distillation zone
DEFINITION
Classification: 203/95
(under the class definition) Processes directed to adding water or steam to the distillation operation.
(1) Note. Water or steam is usually added to the distillation operation to change the relative volatility of the components of the material being distilled.
SEE OR SEARCH CLASS
196, Mineral Oils: Apparatus,
126, and 127 for mineral oil vaporizing apparatus having means to inject gas or vapor into the vaporization zone.
208, Mineral Oils: Processes and Products,
348, 356 and 362+ for a process in which a gas or vapor is employed to affect volatilization of the distilland. 588, Hazardous or Toxic Waste Destruction or Containment, appropriate subclasses wherein the use of water or steam is used in the destruction of hazardous or toxic waste.
