Sorption of U(VI) on magnetic sepiolite investigated by batch and XANES techniques
Linghu, WS; Sun, YX; Yang, H; Chang, KK; Ma, JY; Huang, YY; Dong, WH; Alsaedi, A; Hayat, T
2017
发表期刊JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
ISSN0236-5731
卷号314期号:3页码:1825-1832
文章类型期刊论文
摘要Magnetic sepiolite was synthesized by chemical precipitation of Fe3+ and Fe2+ at sepiolite suspension. Removal kinetics of U(VI) on sepiolite and magnetic sepiolite can be well fitted by pseudo-second-order and pseudo-first-order kinetic models, respectively. At pH < 5.0, U(VI) removal on sepiolite significantly decreased with increasing ionic strength, whereas U(VI) removal on magnetic sepiolite was independent of ionic strength. The maximum removal capacity of sepiolite and magnetic sepiolite at pH 5.0 and 298 K calculated from Langmuir model were 28.17 and 74.63 mg/g, respectively. XANES spectra suggested that U(VI) was partly reduced to U(IV) at long-term conditions.
关键词Nanoscale Zerovalent Iron Graphene Oxide Nanosheets Layered Double Hydroxide Modeling Techniques Enhanced Sequestration Carbonaceous Nanofibers Efficient Removal Aqueous-medium Adsorption Reduction
DOI10.1007/s10967-017-5531-4
关键词[WOS]NANOSCALE ZEROVALENT IRON ; GRAPHENE OXIDE NANOSHEETS ; LAYERED DOUBLE HYDROXIDE ; MODELING TECHNIQUES ; ENHANCED SEQUESTRATION ; CARBONACEOUS NANOFIBERS ; EFFICIENT REMOVAL ; AQUEOUS-MEDIUM ; ADSORPTION ; REDUCTION
收录类别SCI
语种英语
WOS记录号WOS:000416545300038
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28822
专题中科院上海应用物理研究所2011-2018年
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GB/T 7714
Linghu, WS,Sun, YX,Yang, H,et al. Sorption of U(VI) on magnetic sepiolite investigated by batch and XANES techniques[J]. JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY,2017,314(3):1825-1832.
APA Linghu, WS.,Sun, YX.,Yang, H.,Chang, KK.,Ma, JY.,...&Hayat, T.(2017).Sorption of U(VI) on magnetic sepiolite investigated by batch and XANES techniques.JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY,314(3),1825-1832.
MLA Linghu, WS,et al."Sorption of U(VI) on magnetic sepiolite investigated by batch and XANES techniques".JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY 314.3(2017):1825-1832.
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