Use of Thiobacillus ferrooxidans for iron oxidation and precipitation |
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| Authors: | Trupti Das Gautam Roy Chaudhury Subbanna Ayyappan |
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| Affiliation: | (1) Regional Research Laboratory, Bhubaneswar, India;(2) Central Institute of Fresh Water Aqua Culture, Bhubaneswar Orissa, India |
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| Abstract: | Fe(II) oxidation reaction was carried out using an acidophilic microorganism, Thiobacillus ferrooxidans. Four different parameters such as pH, Fe(II), Fe(III) and biomass concentration were studied. The oxida-tion reaction follows a pseudo first order rate equation. Apparent reaction rate constants were calculated. Unified rate equation was developed using the four parameters. Along with oxidation, a part of the iron also was precipitated. The extent of Fe(III) precipitation in each case was calculated. © Rapid Science 1998 |
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| Keywords: | biooxidation iron precipitation rate equation Thiobacillus ferrooxidans |
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