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Revista Facultad de Ingeniería Universidad de Antioquia
versión impresa ISSN 0120-6230versión On-line ISSN 2422-2844
Resumen
CAICEDO, Gerardo Andrés y MARQUEZ, Marco Antonio. Selection procedures of consortia bacterial with A. ferrooxidans like bacteria and A. thiooxidans like bacteria in coal biodesulfurization process. Rev.fac.ing.univ. Antioquia [online]. 2010, n.52, pp.88-94. ISSN 0120-6230.
In a flask, biodesulfurization processes of a coal with high sulfur content were evaluated. The particle size of coal ranged between 0.24 cm - 0.06 cm. The processes used consortiums compounds by Acidithiobacillus ferrooxidans like bacteria + Acidithiobacillus thiooxidans like bacteria. In the biodesulfurization processes, the principal factors like pH, redox potential and sulfate in solution and precipitated, produced from sulfur compounds reduced in the coal and medium were analyzed. According to the results a 71.50% of sulfate produced with respect to the maximum possible was obtained after 16 days of processing. These results are key to select cultures for biodesulfurization process in a larger scale.
Palabras clave : Biodesulfurization; coal; inorganic sulfur; bacterial consortium.