US PATENT SUBCLASS 34 / 316
.~.~.~ With recirculation of treated material

Current as of: June, 1999
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34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

282  DF  PROCESS {24}
312  DF  .~ By centrifugal force {6}
313  DF  .~.~ Continuous processing {3}
316.~.~.~ With recirculation of treated material

DEFINITION

Classification: 34/316

With recirculation of treated material:

(under subclass 313) Process wherein a portion of the entire stream of treated material is directed back into the treatment zone after exiting the treatment zone.