Global ETD Search
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Showing 1 to 4 of 4 for “"Acidithiobacillus thiooxidans"”.
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Biosolubilization of K-silicates in pelitic rock by Acidithiobacillus thiooxidans
… to solubilize minerals using the bacterium Acidithiobacillus thiooxidans. In this study, the solubilization of a potassium silicate rock, regionally known as Verdete rock (VR), was evaluated by means of a biological assay using A. thiooxidans. Erlenmeyer flasks containing 9 K medium, …
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Estudio de procesos para la solubilización y precipitación de iones metálicos contaminantes mediante bacterias azufre-oxidantes y sulfatoreductoras
… are the most important, in particular, the genus Acidithiobacillus . Besides, these bacteria can reduce Cr(VI) to Cr(III) a more stable and less toxic heavy metal ion.The bioprecipitation allows the transformation of soluble metallic compounds in other insoluble and more stable compounds. …
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Biooxidation and Thiocyanate Leaching of Refractory Gold Ore in One-Step
… by combining acidic biooxidation (a mixture of Acidithiobacillus ferrooxidans, Acidithiobacillus thiooxidans and Leptospirillum ferrooxidans) and acidic thiocyanate leaching in one system to avoid neutralization and minimize the complexity of the process. Furthermore, thiocyanate leaching …
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Biorecovery of platinum group metals from three-way catalysts
… en el paladio. En la primera etapa, se utilizó Acidithiobacillus thiooxidans para producir biológicamente ácido sulfúrico empleando azufre biogénico obtenido de un biorreactor de desulfuración. En comparación con el azufre comercial, el azufre biogénico mejoró significativamente la producción de …