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The effect of mass transfer on
bio-oxidation of ferrous iron using Thiobacillus ferrooxidans Bio-oxidation
studies were carried out using Thiobacillus ferrooxidans in a bioreactror. The
effect of gas-liquid mass transfer of oxygen and liquid-bacterial surface transfer of
ferrous were established. The maximum oxygen and ferrous transfer rates were evaluated for
each set of experiment and the same were compared with the maximum oxygen and ferrous
consumption rate by the microorganisms. It was observed that neither oxygen nor ferrous
transfer was not rate controlling step. Ferrous iron oxidation by Thiobacillus
ferrooxidans in the present study was reaction controlled. |
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