US PATENT SUBCLASS 210 / 676
.~.~.~.~ Continuous cyclic process

Current as of: June, 1999
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210 /   HD   LIQUID PURIFICATION OR SEPARATION

600  DF  PROCESSES {14}
660  DF  .~ Ion exchange or selective sorption {8}
670  DF  .~.~ Including rehabilitating or regenerating exchange material or sorbent {7}
675  DF  .~.~.~ Rehabilitating or regenerating in diverse zone or chamber {1}
676.~.~.~.~ Continuous cyclic process

DEFINITION

Classification: 210/676

Continuous cyclic process:

(under subclass 675) Process in which portions of the separatory material are sequentially conveyed from, restored and returned to the treating zone in a repetitive mode, with some part of the separatory material treating liquid while another part is concurrently being regenerated.