Abstract:It was investigated the bioleaching of uranyl ions from uranium ores, in aquatic medium with algae: Scenedesmus quadricauda and Nostoc linkia under different experimental conditions. The oxidation of U(IV) to U(VI) species, like uranyl ions was done by means of the atomic oxygen generated through photosynthesis by the aquatic medium from solution above of uranium ores. After almost 10 days of direct contact with the given microorganisms, it was observed a bioleaching degree between 10% and 20% in UO + 2 2 ions… Show more
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