(under the class definition) Systems comprising means to make one or more of the chemical reagents used in the treatment combined with apparatus of this class.
SEE OR SEARCH THIS CLASS, SUBCLASS:
715, for processes of seeding with sludge of the system.
716+, for processes including reagent manufacture.
SEE OR SEARCH CLASS
422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing, 186.8+, for ozonizers with preparatory or product treating means; and subclass 186.23 for arc or spark discharge reactors having preparatory or product treating means.
