(under subclass 121) Apparatus which is provided with means to remove a sorbed constituent from the solid sorbent, thus regenerating the solid sorbent for further use.
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122, for plural solid sorbent beds with recovery means for desorbing fluid.
143+, for solid sorbent apparatus with regenerating means but without plural sorbent beds.
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95, Gas Separation: Processes,
90+, for solid sorption processes which may include regeneration of the solid sorbent.