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| Effect of Yeast Extract on Activity of Mixed Bacterium in Uranium Bioleaching |
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Received:September 22, 2015
Revised:September 24, 2015
Accepted:September 28, 2015
Published Online:February 23, 2016
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| DOI：10.3969/j.issn.1007-7545.2016.03.008 |
| KeyWord:organic matter; uranium bioleaching; mixed bacterium; yeast extract; activity |
| Author | Institution |
| Zhang Kaijun |
东华理工大学水资源与环境工程学院;东华理工大学水资源与环境工程学院 |
| Wang Xuegang |
核资源与环境国家重点实验室培育基地;东华理工大学水资源与环境工程学院 |
| Liu Yajie |
核资源与环境国家重点实验室培育基地;东华理工大学水资源与环境工程学院 |
| Sun Zhanxue |
核资源与环境国家重点实验室培育基地;东华理工大学水资源与环境工程学院 |
| Guo Qin |
东华理工大学水资源与环境工程学院 |
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| Abstract: |
| The effects of concentrations of yeast extract on growth and oxidation activity of mixed bacterium in uranium bioleaching were investigated. The results show that increase of concentration of yeast extract strongly inhibits growth and oxidation activity of mixed bacterium. Yeast extract with concentration of 1 g/L below has little effect on oxidation activity and growth cycle of mixed bacterium. A trace amount of yeast extract can promote cell division of mixed bacteria in uranium leaching and improve Fe2 oxidation rate. |
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