C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/463 (2006.01) C02F 1/461 (2006.01)
Patent
CA 2375203
The invention provides an electroflocculation process for producing potable water from impure water, comprising forming trivalent ions in situ by electrolysis of metallic electrodes (16) selected from the group consisting of metallic aluminum electrodes and metallic iron electrodes, wherein water to be treated is caused to ascend sequentially through apertures (22) provided in a stack of parallel metallic plates (16) serving as said electrodes, each plate being charged with a polarity opposite to plates adjacent thereto, apertures of adjacent plates being vertically misaligned, whereby turbulent flow and mixing is created by the sequential passage of said water to be treated from the aperture of the lowest of said plates to the apertures of the plates thereabove to exit from the highest of said plates.
L'invention concerne un procédé d'électrofloculation servant à produire de l'eau potable à partir d'eau non potable, consistant à former des ions trivalents in situ par électrolyse d'électrodes métalliques (16) sélectionnées dans le groupe des électrodes métalliques d'aluminium et des électrodes métalliques de fer. Ledit procédé consiste à faire monter séquentiellement l'eau à traiter par des ouvertures (22) situées dans une pile de plaques métalliques (16) servant d'électrodes, chaque plaque étant chargée d'une polarité opposée aux plaques adjacentes. Les ouvertures des plaques adjacentes étant décalées verticalement, un écoulement et un mélange turbulents sont créés par le passage séquentiel de l'eau à traiter, de l'ouverture de la plaque inférieure vers les ouvertures des plaques au-dessus, avant de sortir par la plaque supérieure.
Adin Avner
Vescan Nicholai
Ridout & Maybee Llp
Yissum Research Development Company Of The Hebrew University Of
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