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Cr(III) oxidation coupled with Mn(II) bacterial oxidation in the environment |
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| Authors: | Ji-Zheng He You-Ting Meng Yuan-Ming Zheng Li-Mei Zhang |
| Affiliation: | (1) State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing Road18, Beijing, 100085, China;(2) Graduate School, Chinese Academy of Sciences, Beijing, 100039, China |
| Abstract: | PurposeCr(III) oxidation to Cr(VI) significantly increases Cr mobility and toxicity and thus its environmental risks. Manganese (Mn) oxides may serve as the potential oxidants of Cr(III) in environment. Natural Mn oxides in the environment are believed to be derived from bacterial oxidation. The objective of this study was to examine the Cr(III) oxidation capacity of biogenic Mn oxide and the role of Mn-oxidizing bacteria in Cr(III) oxidation. |
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