Selective removal of As, Sb, and Se ions from multicomponent mixture by nanoparticles

Selective removal of As, Sb, and Se ions from multicomponent mixture by nanoparticles
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通过纳米颗粒选择性去除多组分混合物中的 As、Sb 和 Se 离子

DOI:
10.1557/jmr.2016.115
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发表时间:
2016-04
影响因子:
2.7
通讯作者:
Dong-Hao Li
Dong-Hao Li
中科院分区:
材料科学4区
文献类型:
--
作者:
Si-Hong Wang;Jing-Dong Zhang;Ji-Shou Piao;Dong-Hao Li

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在这项工作中,使用功能化的磁性纳米粒子(FMNP)的多组分混合物中的离子的选择性去除被证明。从复杂的混合物中,如红景天提取物和啤酒厂污水处理单元的进水中有效地去除As,Sb和Se离子。砷,锑,硒离子可以选择性地吸附FMNP,所示的电感耦合等离子体质谱分析。我们还表明,铅离子是弱吸附,而铜,镉,锌离子不能吸附FMNP。混合物的复杂性并不影响As,Sb和Se离子的选择性去除。FMNP可以回收和重复使用。磁分离可以应用于复杂混合物的选择性分离,如植物提取物,工业废水和自来水。
In this work, the selective removal of ions from multicomponent mixtures using functionalized magnetic nanoparticles (FMNPs) was demonstrated. As, Sb, and Se ions were efficiently removed from complex mixtures, such as Rhodiola rosea extracts and influent water from the sewage treatment unit of a beer brewery. As, Sb, and Se ions could be selectively adsorbed by FMNP, as demonstrated by the inductively coupled plasma mass spectrometer analyses. We also demonstrated that Pb ions are weakly adsorbed, whereas Cu, Cd, and Zn ions cannot be adsorbed by FMNP. The complexity of the mixture did not affect the selective removal of As, Sb, and Se ions. FMNP could be recycled and used repeatedly. Magnetic separation could then be applied for the selective separation of complex mixtures, such as plant extracts, industrial wastewater, and tap water.
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