Improved separation processes

Details Improved separation processes Improved separation processes

C - Chemistry, Metallurgy

07

C

C07C 59/147 (2006.01) B01J 31/18 (2006.01) B01J 31/40 (2006.01) C07B 63/00 (2006.01) C07C 45/50 (2006.01) C07C 45/80 (2006.01) C07C 51/373 (2006.01) C07C 51/48 (2006.01) C07F 9/02 (2006.01)

Patent

CA 2319780

This invention relates to a process for separating one or more products from a reaction product fluid comprising a metal-organophosphorus ligand complex catalyst, optionally free organophosphorus ligand, a polar solvent and said one or more products, wherein said process comprises (1) mixing said reaction product fluid with a nonpolar solvent to obtain by phase separation a polar phase comprising said metal-organophosphorus ligand complex catalyst, optionally free organophosphorus ligand and said polar solvent and nonpolar phase comprising said one or more products and nonpolar solvent, and (2) recovering said nonpolar phase from said polar phase; wherein said organophosphorus ligand has a partition coefficient between the polar solvent and the nonpolar solvent of greater than about 10, and said one or more products have a partition coefficient between the nonpolar solvent and the polar solvent of greater than about 0.5.

La présente invention concerne un procédé permettant de séparer un ou plusieurs produits d'un fluide de réaction comprenant un catalyseur complexe métal-ligand organophosphoré, un ligand organophosphoré éventuellement libre, un solvant polaire et un ou plusieurs desdits produits. Ce procédé consiste 1) à mélanger à un solvant non polaire le fluide de réaction pour obtenir par séparation de phases d'une part, une phase polaire comprenant le catalyseur complexe métal-ligand organophosphoré, le ligand organophosphoré éventuellement libre et le solvant polaire, et, d'autre part, une phase non polaire comprenant les produits et le solvant non polaire; et 2) à récupérer la phase non polaire dans la phase polaire. Le ligand organophosphoré présente un coefficient de partition entre le solvant polaire et le solvant non polaire supérieur à 10 environ. Ces produits présentent un coefficient de partition entre le solvant non polaire et le solvant polaire supérieur à environ 0,5.

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