(under the class definition) Processes directed to treating a product of the carbonizing step and recycling to the carbonizing process at least a part of the so treated
product.
(1) Note. The product recycled may be a solid or a liquid or a gas.
(2) Note. The product of the carbonization step may or may not have been altered after it was removed from the carbonizing zone.
SEE OR SEARCH THIS CLASS, SUBCLASS:
13+, for processes in which the heat of a product of carbonization is recovered by indirect heat exchange.