Selective sorption of uranium from aqueous solution by graphene oxide-modified materials.
Selective sorption of uranium from aqueous solution by graphene oxide-modified materials.
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DOI：
10.1007/s10967-018-5741-4
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发表时间：
2018
影响因子：
1.6
通讯作者：
Ward NI
中科院分区：
文献类型：
--
作者：
Mohamud H;Ivanov P;Russell BC;Regan PH;Ward NI
在批量实验中，与氧化石墨烯（GO）和石墨相比，研究了竞争离子对铀到羧基官能化氧化石墨烯（COOH-GO）上的吸附行为的影响。增加选择的化学官能团，如羧基的丰度，对U吸附的选择性的影响进行了研究。在研究过程中，COOH-GO表现出作为从水溶液中选择性去除铀酰离子的吸附剂材料的上级性能，其分配系数为3.72 ± 0.19 × 103 mL g−1，而GO和石墨的分配系数分别为3.97 ± 0.5 × 102 mL g−1和2.68 ± 0.2 × 102 mL g−1。本文的在线版本（10.1007/s10967-018-5741-4）包含补充材料，可供授权用户使用。
The effect of competing ions on the sorption behaviour of uranium onto carboxyl-functionalised graphene oxide (COOH-GO) were studied in batch experiments in comparison to graphene oxide (GO) and graphite. The effect of increasing the abundance of select chemical functional groups, such as carboxyl groups, on the selectivity of U sorption was investigated. In the course of the study, COOH-GO demonstrated superior performance as a sorbent material for the selective removal of uranyl ions from aqueous solution with a distribution coefficient of 3.72 ± 0.19 × 103 mL g−1 in comparison to 3.97 ± 0.5 × 102 and 2.68 ± 0.2 × 102 mL g−1 for GO and graphite, respectively. The online version of this article (10.1007/s10967-018-5741-4) contains supplementary material, which is available to authorized users.
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