Process to increase the bioleaching speed of ores or concentrates of sulfide metal species, by means of continuous inoculation with leaching solution that contains isolated microorganisms, with or without presence of native microorganisms
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United States of America Patent
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Nov 23, 2010
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Sep 26, 2007
filing date -
Oct 27, 2006
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Abstract
cells/ml. In addition to the inoculation of isolated bacteria, the invention includes the addition of oxidizing agents such as the ferric ion produced externally, together with nutrients in the shape of salts of ammonium, magnesium, iron, potassium, as well as air enriched continuously with carbon dioxide to promote bacterial action in the bioleaching process of ores or concentrates.
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