Apparatus for disinfecting fluids

A - Human Necessities – 61 – L

Patent

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Details

A61L 2/02 (2006.01) C02F 1/467 (2006.01) C02F 1/48 (2006.01) F24D 17/00 (2006.01) C02F 1/00 (2006.01)

Patent

CA 2196289

An apparatus for disinfecting a continuous flow of an electrically conductive liquid such as water which is contaminated by cells of microorganisms; the apparatus consists of a container through which liquid to be disinfected flows, and at least one pair of non-sacrificial electrodes which are positioned in the container so that liquid flowing through the container is in contact with the electrodes; a steady state electric voltage is applied across the electrodes so as to create a voltage gradient between them, the voltage gradient being such that an arc is not struck between the electrodes but a voltage gradient of at least one volt is produced across the membrane of any cell in the liquid, thereby causing dielectric breakdown of the cell membrane and electropermeabilisation of the membrane.

L'invention concerne un appareil pour désinfecter un flux continu d'un liquide électroconducteur tel que de l'eau qui est contaminée par des cellules de micro-organismes. Cet appareil comporte un récipient à travers lequel s'écoule le liquide à désinfecter, et au moins une paire d'électrodes non réactives qui sont positionnées dans le récipient de sorte que le liquide s'écoulant à travers ce dernier soit en contact avec les électrodes. Une tension électrique constante est appliquée aux électrodes de manière à créer un gradient de tension entre elles, ce gradient de tension étant tel qu'un arc n'est pas amorcé entre les électrodes mais qu'un gradient de tension d'au moins un volt est produit dans la membrane de toute cellule présente dans le liquide, provoquant ainsi une rupture diélectrique de la membrane cellulaire et son électro-perméabilisation.

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