Improved contacting stages for co-current contacting...

C - Chemistry – Metallurgy – 10 – G

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C10G 31/00 (2006.01) B01J 10/00 (2006.01) C10G 11/00 (2006.01)

Patent

CA 2756974

Improved contacting stages for carrying out vapor-liquid contacting are de- scribed. Particular aspects are directed to co- current vapor-liquid contacting devices with non-parallel contacting stages that provide an efficient usage of column space for fluid flow and contacting, in order to achieve high capac- ity, high efficiency, and low pressure drop. The fabrication of such contacting stages is im- proved using one or more structural enhance- ments, preferably a combination of enhance- ments, to achieve easy installation and signifl- cantly improved rigidity between the various parts and thereby avoid movement/separation of these parts. This reduces the possibility of fluid leakage across, and consequently vapor and/or liquid bypassing of, the contacting stage.

La présente invention concerne des étages de mise en contact améliorés pour réaliser des mises en contact vapeur-liquide. L'invention concerne plus particulièrement des dispositifs de mise en contact vapeur-liquide de courants parallèles avec des étages de mise en contact non parallèles permettant d'utiliser efficacement l'espace de colonne pour fluide et d'effectuer la mise en contact, afin d'obtenir une capacité élevée, un rendement élevé, et une faible chute de pression. La fabrication de tels étages de mise en contact est améliorée en utilisant une ou plusieurs améliorations structurelles, de préférence une combinaison d'améliorations, pour réaliser une installation aisée et obtenir une rigidité significativement améliorée entre les diverses parties et, de ce fait, éviter le déplacement/la séparation de ces parties. Ceci diminue la possibilité de fuites de liquide sur l'ensemble, et en conséquence la dérivation par vapeur et/ou liquide, des étages de mise en contact.

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