34 / | HD | DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS |
282 | DF | PROCESS {24} |
329 | DF | .~ With contacting of material treated with solid or liquid agent {5} |
330 | .~.~ With regeneration or removal of treating agent {3} | |
331 | DF | .~.~.~> Treating agent consists of both solid and liquid |
332 | DF | .~.~.~> Treating agent is a solid {4} |
337 | DF | .~.~.~> Treating agent is a liquid {2} |