B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 15/02 (2006.01) B01D 15/18 (2006.01)
Patent
CA 2352175
The present invention relates to a method of separating a first solute A and a second solute B using (simulated) moving bed chromatography. According to the present invention at least one of a) a feedstream; and b) a desorbent stream comprises an organic solvent. The use of different solvent liquids for the feedstream and the desorbent stream results in an increased difference in partition coefficients for solute A and solute B. According to the present invention it is possible to obtain solute A in an extract stream in a form which is more concentrated in comparison to the concentration of solute A in the feedstream.
L'invention concerne un procédé permettant de séparer un premier soluté A d'un second soluté B par chromatographie en lit mobile (simulé). Selon l'invention, a) un flux d'alimentation et/ou b) un flux de désorbant contiennent un solvant organique. L'utilisation de solvants liquides différents pour le flux d'alimentation et le flux de désorbant accroît la différence entre les coefficients de séparation des solutés A et B. Le procédé de l'invention permet d'obtenir le soluté A dans le flux d'extraction sous une forme plus concentrée que dans le flux d'alimentation.
Billiet Hugo Arthur Honore
Jensen Thomas Birger
Van Der Wielen Lucas Antonius Maria
Alpharma As
Moffat & Co.
Technische Universiteit Delft
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