Separation processes

Details Separation processes Separation processes

1998-02-02

1999-08-03

Kumar, Shailendra

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568451, 560177, 558 85, C07C 4550

Patent

active

059327723

ABSTRACT:
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 a 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.

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patent: 5463082 (1995-10-01), Horvath et al.
patent: 5648554 (1997-07-01), Mori et al.
patent: 5719312 (1998-02-01), Hansen
patent: 5789625 (1998-08-01), Bryant

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