C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 255/24 (2006.01) B01D 61/14 (2006.01) B01D 65/08 (2006.01) B01J 8/00 (2006.01) B01J 25/04 (2006.01) B01J 37/00 (2006.01) B01J 38/00 (2006.01) C07C 209/48 (2006.01) C07C 209/86 (2006.01) C07C 211/12 (2006.01) C07C 253/34 (2006.01) C07C 255/04 (2006.01)
Patent
CA 2257346
The invention discloses a method for filtering a three-phased reaction mixture,comprising a liquid phase, an undissolved solid catalytic phase and a gas phase. More precisely it consists tangentially in filtering on one membrane filter at least one part of a three-phased reaction mixture comprising one liquid phase in which are found nitrile functions, one gas phase comprising hydrogen and one solid catalytic phase comprising nickel and/or Raney cobalt, or a supported metal catalyst, in recycling the catalyst while recuperating at least one part of the filtrate comprising the reaction products.
La présente invention concerne un procédé de filtration d'un mélange réactionnel triphasique, comportant une phase liquide, une phase catalytique solide non dissoute et une phase gazeuse. Plus précisément elle consiste à filtrer tangentiellement sur un filtre à membrane au moins une partie d'un mélange réactionnel triphasique comportant une phase liquide dans laquelle se trouvent des fonctions nitrile, une phase gazeuse comprenant de l'hydrogène et une phase solide catalytique comprenant du nickel et/ou du cobalt de Raney, ou un catalyseur métallique supporté, à recycler le catalyseur tout en récupérant au moins une partie du filtrat contenant les produits de la réaction.
Perrona Philippe
Sever Lionel
Rhodia Fiber And Resin Intermediates
Robic
LandOfFree
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