B - Operations – Transporting – 09 – B
Patent
B - Operations, Transporting
09
B
B09B 1/00 (2006.01) C02F 1/46 (2006.01) C02F 1/461 (2006.01) C02F 1/467 (2006.01) C02F 1/70 (2006.01) C02F 1/20 (2006.01)
Patent
CA 2285482
For alleviating acid mine drainage arising from oxygenated water passing through pyrite, the water is de-oxygenated in an intercepting protective layer, which comprises a mixture of grains of pyrite and grains of iron. The grain sizes, concentrations, etc are selected to create an ensemble of galvanic cells at the points of contact between the iron grains and the pyrite grains. The pyrite cathode material becomes cathode-protected, and the water becomes de-oxygenated, by the electrolytic action.
Afin de diminuer le drainage minier acide produit par l'eau oxygénée traversant la pyrite, l'eau est désoxygénée dans une couche de protection interceptrice, constituée d'un mélange de grains de pyrite et de grains de fer. La taille des grains, leur concentration, etc., sont choisies de façon à créer un ensemble de cellules galvaniques aux points de contact entre les grains de fer et les grains de pyrite. Par action électrolytique, le matériel cathodique constitué par la pyrite se transforme en cathode protégée et l'eau est désoxygénée.
Chesworth Ward
Shelp Gene Sidney
Asquith Anthony
Enpar Technologies Inc.
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