DIFF Subgroup
F26B 5/042 Full Title
Drying solid materials or objects by processes not involving the application of heat (separating liquids from solids by straining B01D; replacing liquids in wet solids by other liquids, e.g. water by spirit, B01D12/00; drying by electrophoresis B01J) > by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum