(under the class definition) Processes directed to carbonizing the carbonaceous material in a fluidized bed.
(1) Note. Fluidized bed for purposes of this subclass is a system in which an upwardly flowing gas maintains the particles of the charge in an agitated, more or less suspended condition during carbonization. Arbitrarily a process including hindered fall of particles during carbonization by means of an upwardly flowing gas is included in this subclass.
SEE OR SEARCH CLASS
34, Drying and Gas or Vapor Contact With Solids,
359, for a process of treating a solid in gas or vapor suspension.
208, Mineral Oils: Processes and Products,
126+, for a process directed to adding hot solids to a mineral oil and note "SEARCH THIS CLASS, SUBCLASS" and"SEARCH CLASS" under subclasses 126 and 127.
