Method for separating a catalyst by membrane electrodialysis

Details Method for separating a catalyst by membrane electrodialysis Method for separating a catalyst by membrane electrodialysis

B - Operations, Transporting

01

J

B01J 38/00 (2006.01) B01D 61/44 (2006.01) B01J 23/92 (2006.01) B01J 38/48 (2006.01) C07C 51/42 (2006.01)

Patent

CA 2250801

A method for separating a catalyst from a solution containing same by membrane electrodialysis is disclosed. Specifically, the separation of a catalyst used in a homogeneous-phase molecular oxidation reaction is disclosed. According to the method for separating a homogeneous catalyst dissolved in a medium that also contains at least one aliphatic diacid, the catalyst contains cobalt and separation is achieved by membrane electrodialysis.

La présente invention concerne un procédé de séparation par électrodialyse membranaire d'un catalyseur à partir d'une solution le contenant. Plus précisément, elle concerne la séparation d'un catalyseur mis en oeuvre dans une réaction d'oxydation moléculaire en phase homogène. L'invention consiste en un procédé de séparation d'un catalyseur homogène dissous dans un milieu contenant aussi au moins un diacide aliphatique, caractérisé en ce que le catalyseur contient du cobalt et la séparation est effectuée par électrodialyse membranaire.

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