Search for: [Abstract = "A packed\-bed bioreactor with activated\-carbon particles as a carrier matrix material inoculated with Thiobacillusferrooxidans was operated at a pH 1.30 to convert ferrous sulfate to ferricsulfate. The experimental variables were dillution rate, medium composition and Fe\(II\) ion concentration. The reactors were operated within a dillution rate range of 0.013 to 0.560\/h andwithin a ferrous sulfate concentration range of 20 to 40 g\/1. The aeration rate was 5\-7 1\/h.It was showed that replacement of the 9K medium with tap water had no negative effect oniron oxidation process."]

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