Removing a gaseous component from a fluid

Details Removing a gaseous component from a fluid Removing a gaseous component from a fluid

B - Operations, Transporting

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B01D 5/00 (2006.01) B01D 45/16 (2006.01) B01D 53/00 (2006.01) B01D 53/24 (2006.01) B01J 3/00 (2006.01) B04C 3/00 (2006.01) B04C 3/02 (2006.01) B04C 3/06 (2006.01) F25J 3/06 (2006.01)

Patent

CA 2294708

A method of removing a selected gaseous component from a stream of fluid containing a plurality of gaseous components is provided. The stream is induced to flow at supersonic velocity through a conduit so as to decrease the temperature of the fluid to below a selected temperature at which one of condensation and solidification of the selected component occurs thereby forming particles of the selected component, the conduit being provided with swirl imparting means to impart a swirling motion to the stream of fluid thereby inducing the particles to flow to a radially outer section of a collecting zone in the stream. A shock wave is created in the stream so as to decrease the axial velocity of the fluid to subsonic velocity, and the particles are extracted into an outlet stream from said radially outer section of the collecting zone, wherein the shock wave is created downstream the swirl imparting means and upstream the collecting zone.

Procédé servant à supprimer un constituant gazeux sélectionné depuis un flux de liquide contenant une pluralité de constituants gazeux. On provoque l'écoulement de ce flux à une vitesse supersonique à travers un conduit, de manière à diminuer la température du liquide jusqu'à un niveau inférieur à une température sélectionnée à laquelle se produit soit la condensation, soit la solidification du constituant sélectionné, ce qui produit des particules dudit constituant, ledit conduit étant pourvu de moyens provoquant un effet tourbillonnaire s'exerçant sur le flux de liquide, de façon à provoquer l'écoulement des particules vers une section extérieure radiale d'une zone collectrice située dans le flux. On crée une onde de choc dans le flux afin de diminuer la vitesse axiale du liquide à un niveau subsonique et on extrait les particules en les rassemblant dans un flux de sortie depuis ladite section extérieure radiale de la zone collectrice, l'onde de choc étant créée en aval des moyens provoquant l'effet tourbillonnaire et en amont de la zone collectrice.

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