B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 15/08 (2006.01) B01D 11/04 (2006.01)
Patent
CA 2530539
The invention relates to a method for separating constituents of a liquid charge by means of liquid-liquid centrifuge chromatography, and a device for implementing said method. As the constituents (A, B) have different partition coefficients such that they are respectively driven at unequal speeds by a light solvent (1) and a heavier solvent (L), the charge is continuously injected at an intermediate point of a separation column (col), and successive cycles alternately comprising an injection phase of the heavy solvent and an injection phase of the light solvent are respectively carried out at the two ends of the column formed by the interconnection in series of at least a set of separation cells, and the separated constituents (FA, FB) are collected during each of said phases at the ends of the column opposing the injection points of the solvents.
Procédé de séparation des constituants d'une charge liquide par chromatographie liquide-liquide centrifuge et un dispositif de mise en .oelig.uvre. Les constituants (A, B) ayant des coefficients de partage différents tels qu'ils sont entraînés à des vitesses inégales respectivement par un solvant léger (1) et un solvant plus lourd (L), on injecte en continu la charge en un point intermédiaire d'une colonne de séparation (col) et l'on réalise des cycles successifs comprenant alternativement une phase d'injection du solvant lourd et une phase d'injection du solvant léger respectivement aux deux extrémités de la colonne constituée par l'interconnexion en série d'au moins un ensemble de cellules de séparation, et l'on recueille au cours de chacune de ces phases les constituants séparés (FA, FB) aux extrémités de colonne opposées aux points d'injection des solvants.
Couillard Francois
Durand Daniel
Foucault Alain
Couillard Francois
Institut Francais Du Petrole
Robic
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