Apparatus and processes for non-chemical plasma ion...

C - Chemistry – Metallurgy – 02 – F

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C02F 1/46 (2006.01) C02F 1/32 (2006.01) C02F 1/50 (2006.01) C02F 1/76 (2006.01) C02F 1/78 (2006.01) C02F 1/461 (2006.01) C02F 1/74 (2006.01)

Patent

CA 2250894

Apparatus and processes for non-chemical desinfection of a wide variety of biologically contaminated water streams include a canister (44) with flow control means built therein such that a small portion of a water stream is exposed to disinfecting salts (45) and returned to the principle stream to be treated. An ionized oxidizing gas plasma is also added, together with streams of metallic ions. Improved compositions of sacrifical electrodes (46, 48) for providing disinfectant metallic ions to a How stream are also disclosed. The invention is described in connection with disinfecting recirculated water air conditioning plants, commercial laundires, and aircraft head flush water, among other industrial water reclamation uses.

La présente invention concerne un appareil et des procédés de désinfection non chimique d'une grande diversité de courants d'eaux biologiquement contaminés. L'appareil comporte un vase (44) incorporant un régulateur de débit faisant qu'une petite partie du courant d'eau est exposée à des sels désinfectants (45) et renvoyée dans le courant principal à traiter. Le procédé consiste également à ajouter un plasma de gaz oxydant ionisé en même temps que des flux d'ions métalliques. L'invention concerne par ailleurs des compositions perfectionnées d'électrodes sacrificielles (46, 48) à dégagement d'ions métalliques dans un flux d'écoulement. Cette invention convient, entre autres applications d'utilisation d'eaux usées industrielles, à la désinfection de l'eau recyclée utilisée par les usines de conditionnement d'air, aux blanchisseries commerciales, et aux dispositifs de lavage à l'eau des avants d'avions.

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