Patent ID: 6663779
Filing Date: 2003-12-16
Classification: B01D,G01N

Abstract:
Device for continuous annular chromatography (CAC) with a stationary column head, a stationary eluate collecting ring, between them a rotating body rotatable about a vertical axis and shaped as a twin cylinder forming a hollow jacket with a chromatographic separation medium contained therein, as well as a drive, the rotating body (1) being connected at its bottom end with a rotating platform (4) having vertical through channels (15) which is guided sealingly and slidingly on a stationary eluate collecting ring (5) with chambers (16), characterized in that the rotating platform (4) at its underside is provided with an extension that can be coupled to a drive shaft (2) of the drive (8) via a rapidly detachable connection, and the stationary column head, the rotating body (1) with rotating platform (4) and the adjacent eluate collecting ring (5) are combined into a CAC module and can be detached as a unit from the drive shaft (2).