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Biosorption of uranium (VI) by immobilized Aspergillus fumigatus beads

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成果类型:
期刊论文、会议论文
作者:
Wang, Jing-song;Hu, Xin-jiang;Liu, Yun-guo;Xie, Shui-bo;Bao, Zheng-lei
通讯作者:
Wang, J.-S.
作者机构:
[Wang, Jing-song] School of Urban Construction, University of South China, 28 West Changsheng Road, Hengyang, Hunan 421001, PR China. xhwjs@163.com
通讯机构:
[Wang, Jing-song] Univ S China, Sch Urban Construct, 28 W Changsheng Rd, Hengyang 421001, Hunan, Peoples R China.
School of Urban Construction, University of South China, 28 West Changsheng Road, China
语种:
英文
关键词:
Aspergillus fumigatus;Biosorption;Immobilized beads;Pseudo-second order;Uranium (VI)
期刊:
Journal of Environmental Radioactivity
ISSN:
0265-931X
年:
2010
卷:
101
期:
6
页码:
504-508
会议名称:
9th International Conference on Biogeochemistry of Trace Elements
会议时间:
JUL, 2007
会议地点:
Beijing, PEOPLES R CHINA
会议主办单位:
[Wang, Jing-song;Hu, Xin-jiang;Xie, Shui-bo;Bao, Zheng-lei] Univ S China, Sch Urban Construct, Hengyang 421001, Hunan, Peoples R China.^[Wang, Jing-song;Xie, Shui-bo] Univ S China, Hunan Key Lab Pollut Control & Resource Reuse, Henyang 421001, Hunan, Peoples R China.^[Hu, Xin-jiang;Liu, Yun-guo] Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China.
出版地:
THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
出版者:
ELSEVIER SCI LTD
机构署名:
本校为第一且通讯机构
院系归属:
土木工程学院
摘要:
Biosorption of uranium (VI) ions by immobilized Aspergillus fumigatus beads was investigated in a batch system. The influences of solution pH, biosorbent dose, U (VI) concentration, and contact time on U (VI) biosorption were studied. The results indicated that the adsorption capacity was strongly affected by the solution pH, the biosorbent dose and initial U (VI) concentration. Optimum biosorption was observed at pH 5.0, biosrobent dose (w/v) 2.5%, initial U (VI) concentration 60 mg L(-1). Biosorption equilibrium was established in 120 min. The adsorption process conformed to the Freunlich and Temkin isothermal adsorption models. The dynamic adsorption model conformed to pseudo-second order model. (C) 2010 Elsevier Ltd. All rights reserved.

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