Biosorption behavior and mechanism of cesium-137 on Rhodosporidium fluviale strain UA2 isolated from cesium solution
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- 作者：Tu Lana ; Yue Fenga ; Jiali Liaoa ; liaojiali@scu.edu.cn" class="auth_mail ; Xiaolong Lia ; Congcong Dinga ; Dong Zhangb ; Jijun Yanga ; Junhui Zengb ; Yuanyou Yanga ; Jun Tanga ; Ning Liua ; nliu720@scu.edu.cn" class="auth_mail
- 关键词：Cesium ; Rhodosporidium ; Biosorption ; Mechanism ; TEM ; PIXE
- 刊名：Journal of Environmental Radioactivity
- 出版年：August 2014
- 年：2014
- 卷：134
- 期：Complete
- 页码：6-13
- 全文大小：934 K
文摘
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Microorganisms isolated from a cesium solution are considered as a biosorbent to remove cesium ions.
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The biosorption equilibrium is fitted well to a Langmuir model with a correlation coefficient of 0.9997.
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First attempt to explore biosorption mechanisms using PIXE and EPBS.
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Living and dead microorganisms have different biosorption mechanisms.
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The biosorption of 137Cs involved a two-step process: passive and active.