| 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 |