Patent ID: 7615159
Filing Date: 2009-11-10
Classification: B01D,F16B,F16D,F16K,G01N,Y10T

Abstract:
1. A process for the separation of a substance mixture with the aid of a countercurrent chromatography process, in which a substance mixture to be separated and the eluent are continuously supplied to a column circuit consisting of more than one chromatography columns packed with an adsorbent and connected in series and in other positions of the column circuit an extract stream comprising at least one separated component, and a raffinate stream comprising at least one other component are continuously removed and in which a relative movement between a liquid, mobile phase consisting of the substance mixture and the eluent and the adsorbent in solid phase is produced by sequential opening of liquid addition and removal positions along the columns, characterized in that only one eluent supply pump and an eluent compensation container within the circulation, but no circulation pump is employed in the circulation.