Electrochemical treatment of an aqueous salt solution

C - Chemistry – Metallurgy – 25 – B

Patent

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C25B 1/26 (2006.01) A61L 2/18 (2006.01) C25B 9/06 (2006.01) C25B 15/08 (2006.01) C02F 1/46 (2006.01) C02F 1/467 (2006.01)

Patent

CA 2501066

A device (10) for producing a biocidal solution has a sealed and replaceable reservoir (16) with a low volume capacity which contains pre-prepared aqueous salt solution (18) with a pre-determined concentration, an electrolytic cell (20) for electrochemically treating the salt solution (18), a pump (28) for delivering a flow of accurately measured volumes of the salt solution (18) to the electrolytic cell (20), a restrictor valve (36) for controlling further the flow rate of the salt solution (18) to a cathode chamber (24) of the electrolytic cell (20), an electrical circuit (46) for connecting the pump (28) and the electrolytic cell (20) to a mains supply source (48) and including a power pack (50) for providing a substantially constant direct current of (7) to (12) amps to the electrolytic cell (20) and an operator- controlled switch (52) for completing the electrical circuit (46) when the switch (52) is operated to produce a biocidal solution (12) having a predetermined level of available free chlorine and pH.

L'invention concerne un dispositif (10) de production d'une solution biocide. Ce dispositif comprend un réservoir (16) étanche et remplaçable ayant une faible capacité volumique qui contient une solution saline aqueuse (18) pré-préparée ayant une concentration prédéterminée, une cellule électrolytique (20) pour traiter électro-chimiquement la solution saline (18), une pompe (28) pour libérer un écoulement de volumes mesurés adéquatement de la solution saline (18) vers la cellule électrolytique (20), un robinet restricto-changeur (36) pour commander le débit d'écoulement de la solution saline (18) vers une chambre cathodique (24) de la cellule électrolytique (20), un circuit électrique (46) pour connecter la pompe (28) et la cellule électrolytique (20) à une source d'alimentation de secteur (48) qui comprend un boîtier d'alimentation (50) en courant direct sensiblement constant de 7 à 12 amps vers la cellule électrolytique (20) et un commutateur commandé par opérateur (52) pour terminer le circuit électrique (46) lorsque le commutateur (52) est utilisé pour produire une solution biocide (12) ayant un niveau prédéterminé de chlore libre et de pH disponible.

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