Oxygen supply and removal apparatus

C - Chemistry – Metallurgy – 25 – B

Patent

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Details

C25B 1/02 (2006.01) B01D 53/32 (2006.01) C01B 13/02 (2006.01) C25B 9/00 (2006.01) C25B 15/02 (2006.01)

Patent

CA 2185531

The present invention relates to apparatus and methods of supplying and removing oxygen. The apparatus (10) includes an oxygen- conducting solid electrolyte (18). The electrolyte (18) has an oxygen input side and an oxygen output side which are each coated with an electrically conducting metallic material. When an electrical potential is applied to the electrolyte, oxygen is caused to move from the input side to the output side. A feedback loop (50) is provided to prevent damage to the electrolyte. Depending on the arrangement of electrolyte, the present invention may provide a source of pure oxygen, including high pressure oxygen, or an oxygen free environment.

L'invention concerne un appareil et des procédés permettant de fournir et d'extraire de l'oxygène. L'appareil (10) comporte un électrolyte solide (18) conducteur d'oxygène qui présente un côté d'entrée d'oxygène et un côté de sortie d'oxygène tous deux recouverts d'un matériau métallique électroconducteur. Quand on applique un potentiel électrique à l'électrolyte, l'oxygène passe du côté d'entrée au côté de sortie. Une boucle de rétroaction (50) est destinée à prévenir toute détérioration de l'électrolyte. Selon la position de l'électrolyte, l'invention peut offrir une source d'oxygène pur, y compris à haute pression, ou un environnement dépourvu d'oxygène.

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