Kinetics of rare earth pre-loading with 2-ethylhexyl phosphoric acid mono 2-ethylhexyl ester [HEH(EHP)] using rare earth carbonates

Kinetics of rare earth pre-loading with 2-ethylhexyl phosphoric acid mono 2-ethylhexyl ester [HEH(EHP)] using rare earth carbonates
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使用稀土碳酸盐预加载 2-乙基己基磷酸单 2-乙基己酯 [HEH(EHP)] 的稀土动力学

DOI:
10.1016/j.seppur.2013.12.007
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发表时间:
2014-02
影响因子:
8.6
通讯作者:
Long Zhiqi
Long Zhiqi
中科院分区:
工程技术1区
文献类型:
--
作者:
Wang Liangshi;Huang Xiaowei;Yu Ying;Long Zhiqi

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本文提出了一种新的环境友好型稀土分离方法。该方法利用稀土碳酸盐来控制氯化物体系中稀土HEH(EHP)负载过程中的平衡酸度。用该方法研究了稀土预加载的动力学。稀土负载高达0.17 mol L−1,反应速度快,达到平衡时间约为5 min,适用于常规稀土分离工艺。该方法不使用皂化剂,对环境无污染。
A new environment friendly approach for rare earth separation has been developed in this paper. The approach used rare earth carbonates to control the equilibrium acidity during the rare earth loading with HEH(EHP) in chloride system. The kinetics of rare earth pre-loading by the approach was investigated. High rare earth loading of 0.17 mol L−1and fast kinetics with about 5 min for equilibrium were achieved, which is suitable to the application of conventional rare earth separation process. The approach is free from environmental pollution because no saponification reagent is introduced.
通过控制 HEH(EHP)-Cl 系统中的平衡酸度消除稀土分离过程中的氨排放
DOI: 10.1039/c3gc40470f
发表时间: 2013-06
期刊: Green Chemistry
影响因子: 9.8
作者:
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