Improved separation processes

Details Improved separation processes Improved separation processes

C - Chemistry, Metallurgy

07

C

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

Patent

CA 2319801

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 nonpolar solvent and said one or more products, wherein said process comprises (1) mixing said reaction product fluid with a polar solvent to obtain by phase separation a nonpolar phase comprising said metal-organophosphorus ligand complex catalyst, optionally free organophosphorus ligand and said nonpolar solvent and a polar phase comprising said one or more products and polar solvent, and (2) recovering said polar phase from said nonpolar phase; wherein said organophosphorus ligand has a partition coefficient between the nonpolar solvent and the polar solvent of greater than about 5, and said one or more products have a partition coefficient between the polar solvent and the nonpolar solvent of greater than about 0.5.

L'invention concerne un procédé servant à séparer un ou plusieurs produits d'un produit réactionnel liquide contenant un catalyseur complexe de ligand organophosphoré et de métal, éventuellement un ligand organophosphoré libre, un solvant non polaire et le(s)dit(s) produit(s), ce qui consiste à (1) mélanger ledit produit réactionnel liquide avec un solvant polaire afin d'obtenir par séparation de phases une phase non polaire comprenant ledit catalyseur complexe de ligand organophosphoré et de métal, le ligand organophosphoré libre éventuel et ledit solvant non polaire, et une phase polaire comprenant le(s)dit(s) produit(s) et le solvant polaire, et (2) récupérer ladite phase polaire depuis ladite phase non polaire; ledit ligand organophosphoré possédant un coefficient de séparation entre le solvant non polaire et le solvant polaire supérieur à 5 et le(s)dit(s) produit(s) possédant un coefficient de séparation entre le solvant polaire et le solvant non polaire supérieur à 0,5.

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