(under subclass 820) Subject matter in which an effluent from a sorption step or zone is passed through another sorption zone.
(1) Note. The effluent may comprise the unsorbed portion of the feed (the raffinate) or the sorbed and desorbed portion of the feed (the extract or sorbate).
(2) Note. A process wherein a "guard bed" of sorbent is employed along with a main sorbent zone is classified herein.
SEE OR SEARCH THIS CLASS, SUBCLASS:
802+, for a process wherein sorption is preceded or followed by a diverse separation procedure.
