B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
202/98
B01D 3/38 (2006.01) B01D 1/28 (2006.01) B01D 3/14 (2006.01) C01G 49/06 (2006.01) C07C 209/84 (2006.01) C09C 1/24 (2006.01)
Patent
CA 2018380
A continuous multistage process for separating a partially water soluble organic component from a slurry containing an insoluble solid, a partially water soluble organic component and optionally water. In this process, the slurry is continuously fed to a tower or column equipped with a suitable vapor/liquid contact device. Energy is applied at a point below the vapor/liquid contact device. Vapors containing the partially soluble organic component exit the tower or column overhead and the inorganic solid is recovered at the bottom of the tower or column. This application of distillation technology to slurries is particularly advantageous in that a more efficient separation of that solid material from the partially soluble organic component is obtained. The improved separation efficiency can be utilized to either lower separation cost and/or to affect a more complete separation in order to obtain a solid material with a lower residual amount of the organic component.
Divulgation d'un procédé multiphase en continu pour l'extraction d'un composé organique partiellement hydrosoluble d'une boue liquide contenant un solide insoluble, un composant organique partiellement hydrosoluble et, facultativement, de l'eau. Dans ce procédé, une tour ou une colonne équipée d'un dispositif de contact vapeur/liquide adéquat est continuellement alimentée avec la boue liquide. L'énergie est appliquée à un point sous le dispositif de contact vapeur/liquide. Des vapeurs contenant le composant organique partiellement soluble s'échappent de la partie supérieure de la tour ou de la colonne, et le solide inorganique est récupéré du fond de la tour ou de la colonne. Cette application de la technologie de la distillation aux boues liquides est particulièrement avantageuse puisque l'on obtient une extraction plus efficace du solide du composant organique partiellement soluble. Cette plus grande efficacité peut contribuer à abaisser le coût de l'extraction et/ou entraîner une extraction plus complète du solide qui contient une moindre quantité résiduelle du composant organique.
Bowsher Michael E.
Ho Charles F.
Huffman Charles E.
Krell Joerg
Steude Heinrich E.
Corporation Bayer
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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