Verfahren und Vorrichtung zur Extraktion loeslicher Anteile aus Feststoffen

摘要

1,161,945. Extracting from solids. INDUSTRIE-WERKE KARLSRUME A.G. 23 Jan., 1967 [6 April, 1966], No. 3352/67. Heading BIQ. Solid materials for extraction are fed to worm 3 in countercurrent to solvent medium fed in at 12. Solids passing in screw are comminuted in devices 8 and 9, are picked up for further extraction by solvent but prevented from passing out with the solution by the filtering action of the fresh solid material The comminution device may be outside the extraction vessel (Fig. 2 not shown).