Process and system for separation of organic charged compounds

Details Process and system for separation of organic charged compounds Process and system for separation of organic charged compounds

B - Operations, Transporting

01

D

B01D 61/42 (2006.01) B01D 61/14 (2006.01) C07B 63/00 (2006.01)

Patent

CA 2558164

The present invention relates to a process and system for separating neutral and charged organic compounds from a solution or composition using anionic and cationic membranes in combination with at least one filtration membrane stacked in an electrodialysis cell. The process is preferably a batch recirculation process. The process and system allow to separate acid, neutral and basic compounds according to their charge and molecular weight through the electrolysis cell. In addition, the present invention allows a simultaneous separation of neutral and charged organic compounds.

La présente invention se rapporte à un procédé et à un système permettant de séparer des composés organiques neutres et chargés d'une solution ou d'une composition, à l'aide de membranes anioniques et cationiques combinées à au moins une membrane filtrante, lesdites membranes étant empilées dans une cellule d'électrodialyse. Le procédé est de préférence un procédé de recirculation discontinue. Les procédé et système selon l'invention permettent de séparer les composés acides, neutres et basiques en fonction de leur charge et de leur poids moléculaire lors de leur passage dans la cellule d'électrodialyse. En outre, l'invention permet la séparation simultanée de composés organiques neutres et chargés.

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