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兰州大学机构库  > 核科学与技术学院  > 期刊论文
题名: Investigation of Se(IV) sorption on Na-kaolinite: batch experiments and modeling
作者: Hou, ZX; Shi, KL(史克亮); Wang, XL; Ye, YL; Guo, ZJ(郭治军); Wu, WS(吴王锁)
收录类别: SCIE
出版日期: 2015-01
刊名: JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
卷号: 303, 期号:1, 页码:25-31
出版者: SPRINGER
出版地: DORDRECHT
英文摘要: Se(IV) sorption on purified Na-kaolinite was investigated under ambient temperature as functions of contact time, pH, ionic strength and Se(IV) concentration using batch techniques. The rate of sorption is relatively rapid and sorption kinetics of Se(IV) can be successfully described by the pseudo-second-order model. The amount of Se(IV) sorbed was moderately dependent on the solution pH but insensitive to ionic strengths. The sorption/desorption isotherms of Se(IV) show that the sorption process is reversible. A double layer model was set up and used to quantitatively interpret the experimental data. Three surface complexes (a parts per thousand Al)(2)SeO3, a parts per thousand AlSeO3 (-) and a parts per thousand AlOHSeO3 (2-) were proposed which satisfactorily fit our data.
关键词: Se(IV) ; Kaolinite ; Sorption/desorption Modeling
作者部门: [Hou, Zuoxian ; Shi, Keliang ; Ye, Yuanlv ; Guo, Zhijun ; Wu, Wangsuo] Lanzhou Univ, Sch Nucl Sci & Technol, Radiochem Lab, Lanzhou 730000, Peoples R China ; [Wang, Xinling] Xinjiang Med Univ, Coll Pharm, Urumqi 830011, Peoples R China
通讯作者: Shi, KL (reprint author), Lanzhou Univ, Sch Nucl Sci & Technol, Radiochem Lab, Lanzhou 730000, Peoples R China.
学科分类: Chemistry; Nuclear Science & Technology
文章类型: Article
所属项目编号: National Natural Science Foundation of China [21301083, J1210001] ; Fundamental Research Funds for the Central Universities of China [lzujbky-2013-54] ; Specialized Research Fund for the Doctoral Program of Higher Education [20130211120032] ; Special Foundation for High Level Waste Disposal in China [2012-494]
所属项目名称: 国家自然科学基金项目 ; 高等学校博士学科点专项科研基金 ; 中央高校基本科研业务费专项资金
项目资助者: NSFC ; MOE ; LZU
语种: 英语
DOI: 10.1007/s10967-014-3317-5
ISSN号: 0236-5731
WOS记录号: WOS:000347294600003
第一机构:
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/117412
Appears in Collections:核科学与技术学院_期刊论文

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Recommended Citation:
Hou, ZX,Shi, KL,Wang, XL,et al. Investigation of Se(IV) sorption on Na-kaolinite: batch experiments and modeling[J]. JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY,2015,303(1):25-31.
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