.~> Including step of adding catalyst or reacting material {7}
DEFINITION
Classification: 203/28
(under the class definition) Processes including the step of producing a chemical reaction of a component of the mixture being separated to facilitate separation of the desired substance in the original mixture.
(1) Note. To come within the purview of this and indented subclasses a chemical change must occur which facilitates the recovery without chemical change of the desired substance which was present in the original mixture.
SEE OR SEARCH CLASS
208, Mineral Oils: Processes and Products,
46+, for a process of treating mineral oil which results in a chemical alteration of at least some of the hydrocarbon molecules thereof.
546, Organic Compounds,
134+, for a general process of chemically treating a carbon compound not otherwise provided for. 588, Hazardous or Toxic Waste Destruction or Containment, appropriate subclasses for the use of a chemical reaction with distillation as part of a process of the destruction of hazardous or toxic waste.
