DEFAR - Departamento de Farmácia

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Autor: search.filters.author.Medírcio, Silvia NicolatoAssunto: search.filters.subject.Cadmium

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    Specific growth rate of sulfate reducing bacteria in the presence of manganese and cadmium.
    (2006) Medírcio, Silvia Nicolato; Leão, Versiane Albis; Teixeira, Mônica Cristina
    The development of technologies based on the use of sulfate-reducing bacteria (SRB) to treat sulfate contaminated wastewaters has produced a cost-effective route to precipitate metals. In this work the effects of cadmium and manganese in the SRB growth rates were assessed. It was observed that duplication time is 50 h in the presence of cadmium and 6 h in the presence of manganese, thus showing that the SRB growth rate was more affected by the presence of cadmium. A low sulfate reduction (maximum 25%) occurred which was sufficient for metal precipitation. The results are discussed considering their implications for metal precipitation in acid mining drainage.