Phosphonate modified MoS2 composite material for effective adsorption of uranium(VI) in aqueous solution

Phosphonate modified MoS2 composite material for effective adsorption of uranium(VI) in aqueous solution
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磷酸盐改性MoS2复合材料有效吸附水溶液中的铀(VI)

DOI:
10.1007/s10967-019-06970-3
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发表时间:
2019-12
影响因子:
1.6
通讯作者:
Duan Tao
Duan Tao
中科院分区:
化学4区
文献类型:
--
作者:
Kou Ying;Zhang Ling;Liu Bo;Zhu Lin;Duan Tao

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本文采用水热法制备了碳布负载膦酸功能化MoS 2的复合材料MoS 2-IP 6 NRA/CC,用于有效去除U(VI)。结果表明,MoS 2-IP 6 NRA/CC对铀的饱和吸附容量为183.3 mg g(-1)。吸附过程符合Langmuir模型和准二级动力学模型。此外,MoS 2-IP 6 NRA/CC在酸性条件下对铀酰离子表现出良好的吸附性能,且材料可回收利用,表明该材料可作为潜在的放射性核处理材料。[图形]。
In this work, a composite of phosphonate-functionalized MoS2 supported on carbon cloth, MoS2-IP6 NRA/CC, was prepared by the hydrothermal method to effectively remove U(VI). Results showed that the saturated adsorption capacity of MoS2-IP6 NRA/CC for uranium was 183.3 mg g(-1). The adsorption process was in good agreement with Langmuir model and pseudo-second-order kinetics model. Besides, MoS2-IP6 NRA/CC showed good adsorption on uranyl ions under acidic conditions, and the material was recyclable, indicating that the material can be used as a potential radioactive nuclear processing material. [GRAPHICS] .
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