Gas treatment adsorption-oxidation system

Details Gas treatment adsorption-oxidation system Gas treatment adsorption-oxidation system

B - Operations, Transporting

01

D

B01D 50/00 (2006.01)

Patent

CA 2594352

A gas treatment module and method includes a first gas purifier and a second gas purifier that cooperate to control a concentration of contaminants in an outgoing portion of a gas stream when the concentration of the contaminants in an incoming portion of the gas stream temporarily exceeds a threshold concentration. One example gas treatment module includes an adsorbent media that temporarily retains at least a portion of the contaminants in the gas stream when the concentration is greater than or equal to the threshold concentration. The adsorbent media later releases the retained contaminants, either to an outgoing portion of the gas stream or to a photocatalyst, when the concentration is less than the threshold concentration. One example method of gas treatment includes controlling the concentration of contaminants in the outgoing portion of the gas stream when the concentration of the contaminants in the incoming portion of the gas stream temporarily exceeds the threshold concentration.

L'invention concerne un module de traitement de gaz et un procédé comprenant un premier purificateur de gaz et un second purificateur de gaz, qui coopèrent afin de régler la concentration de contaminants dans une partie sortie de flux gazeux lorsque la concentration des contaminants dans une partie entrée du flux gazeux dépasse temporairement une concentration de seuil. Un exemple de module de traitement de gaz comprend un milieu adsorbant qui retient temporairement au moins une partie des contaminants du flux gazeux lorsque la concentration des contaminants est supérieure ou égale à la concentration de seuil. Le milieu adsorbant libère ultérieurement les contaminants retenus, soit vers une partie sortie du flux gazeux ou vers un photocatalyseur lorsque la concentration est inférieure à la concentration de seuil. Dans un mode de réalisation, le procédé de traitement de gaz comprend le réglage de la concentration des contaminants dans la partie sortie du flux gazeux lorsque la concentration des contaminants dans la partie entrée du flux gazeux dépasse temporairement la concentration de seuil.

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