34 / | HD | DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS |
282 | DF | PROCESS {24} |
312 | DF | .~ By centrifugal force {6} |
313 | .~.~ Continuous processing {3} | |
314 | DF | .~.~.~> With centrifugal spraying of the treated material |
315 | DF | .~.~.~> With heating |
316 | DF | .~.~.~> With recirculation of treated material |