Apparatus and method for fluid purification

Details Apparatus and method for fluid purification Apparatus and method for fluid purification

B - Operations, Transporting

01

D

B01D 53/06 (2006.01) B01D 53/08 (2006.01)

Patent

CA 2457138

An apparatus and method are disclosed for purifying a contaminated fluid stream, for example an air stream contaminated with volatile organic compounds. A sorption media (12c) is directed between narrowly spaced plates which control the depth of sorbant flow. In an adsorber the plates are porous to allow the contaminated air to pass into an adsorption chamber where the media removes the contaminates from the fluid stream. In a desorber the plates (28c, 29c) may be transmissive or reflective of microwave energy (30c) and porous to a purging gas (40c) in a desorption chamber where the media (12c) releases the contaminates to refresh the media (12c). An inclined plane or conical surface is contemplated for a desorber which can be coupled to an adsorber in a closed loop system.

L'invention concerne un dispositif et un procédé pour la purification de flux de fluides contaminés (par exemple, flux d'air contaminés par des composés organiques volatils). Un milieu de sorption (12c) est dirigé entre des plaques à espacements étroits qui contrôlent la profondeur du flux de sorbant. Dans un absorbeur, les plaques sont poreuses, ce qui permet à l'air contaminé de passer dans une chambre d'adsorption où le milieu élimine les contaminants du flux de fluide. Dans un désorbeur, les plaques (28c, 29c) peuvent transmettre ou réfléchir l'énergie des micro-ondes (30c) et être poreuses vis-à-vis d'un gaz de purge (40c) à l'intérieur d'une chambre de désorption dans laquelle le milieu (12c) libère les contaminants aux fins de régénération (12c). Pour un désorbeur, on envisage la mise en place d'un pan incliné ou d'une surface conique, avec couplage à un adsorbeur selon un système de boucle fermée.

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