Process and apparatus for treating waste anesthetic gas

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 53/04 (2006.01) A61M 16/00 (2006.01) B01D 53/047 (2006.01) B01D 53/86 (2006.01)

Patent

CA 2423367

To provide a process and an apparatus for treating a waste anesthetic gas containing a volatile anesthetic and nitrous oxide discharged from an operating room by introducing the gas into an adsorbing cylinder (1) filled with an adsorbent, where the volatile anesthetic contained in the waste anesthetic gas is adsorbed and thereby removed, and successively introducing the gas into a catalyst layer filled with a nitrous oxide decomposition catalyst (3), where nitrous oxide is decomposed into nitrogen and oxygen. By using the process and the apparatus for treating a waste anesthetic gas of the present invention, a volatile anesthetic having a possibility of destroying the ozone layer or nitrous oxide as a global warming gas can be made harmless while preventing the release into atmosphere.

La présente invention concerne un procédé et un appareil permettant de traiter un gaz anesthésiant résiduel contenant un anesthésique volatil et du protoxyde d'azote, issu d'une salle d'opération, par introduction de ce gaz dans un cylindre d'adsorption rempli d'un adsorbant. L'anesthésique volatil contenu dans le gaz anesthésiant résiduel est adsorbé et donc éliminé. Selon cette invention, le gaz est successivement introduit dans une couche de catalyseur remplie d'un catalyseur de décomposition de protoxyde d'azote, où le protoxyde d'azote est décomposé en azote et en oxygène. L'utilisation du procédé et de l'appareil de traitement de gaz anesthésiant résiduel selon cette invention permet de rendre inoffensif un anesthésique volatil qui peut détruire la couche d'ozone ou du protoxyde d'azote qui est un gaz participant au réchauffement de la planète, tout en empêchant leur libération dans l'atmosphère.

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