Process for separating catalysts from organic solutions, by mean

Details Process for separating catalysts from organic solutions, by mean Process for separating catalysts from organic solutions, by mean

1993-08-24

1994-09-27

Dawson, Robert A.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210650, 210651, 210654, B01D 6100

Patent

active

053505212

ABSTRACT:
Disclosed is a process for separating metal catalysts based on ammonium and phosphonium phosphotungstates from reaction mixtures in which they are dissolved. The process is based on the use of semipermeable membranes and has found an useful application in the separation of the above said catalysts from mixtures obtained from alkenes and soybean oil epoxidation.

REFERENCES:
patent: 3617553 (1971-11-01), Westaway et al.
patent: 4311521 (1982-01-01), Harper et al.
patent: 4731482 (1967-08-01), Veniurello et al.
patent: 4855491 (1989-08-01), Chew et al.
patent: 5215667 (1993-06-01), Livingston, Jr. et al.

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