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Preparation and application of supported ionic liquid phases for sorption of Pt(IV) from chloride solution

机译：制备和应用程序支持的离子液相吸附的Pt (IV)氯的解决方案

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摘要

Four ionic liquids (ILs) 1-methyl-3-tetradecylimidazolium chloride ([ C_(14)MIM]Cl), 1-n-butyl-3-n-butylimidazolium chloride ([ C_4BIM]Cl), 1-n-butyl-3-n-tetradecylimidazolium chloride ([ C_(14)BIM]Cl), and 1-tetradecylpyridinium chloride ([ C_(14)Py]Cl) were synthesized. Sorbents in nature of supported ionic liquid phases (SILPs) were prepared by impregnating ILs on solid carriers such as silica gel, XAD-7 and XAD-4 Amberlite ion exchange resins. Pt(IV) was recovered using these sorbents with the yields over 90%, however, the amounts of used ILs are much less than those of ILs used in extraction method and the process can easily be transferred to heterogeneous phase. The Pt(IV) sorption is affected by the structure of ILs and solid carriers, the IL loading, and IL/Pt molar ratio. The highest sorption yields were observed when using [ C_(14)MIM]Cl-based SILPs. Moreover, the sorption isotherms of [ C_(14)MIM]Cl/SiO_2 SILPs with different IL loadings and IL/Pt molar ratios were investigated and sorption mechanism was also proposed.
机译：四种离子液体(ILs)1-methyl-3-tetradecylimidazolium氯([C_ (14) MIM] Cl), 1-n-butyl-3-n-butylimidazolium氯化([C_4BIM] Cl),1-n-butyl-3-n-tetradecylimidazolium氯([BIM C_ (14)] Cl), and 1-tetradecylpyridinium氯化([C_ (14) Py] Cl)是合成的。吸着剂在支持离子液体的性质阶段(单列直插式组件)被浸渍ILs准备等固体载体硅胶,XAD-7和XAD-4安伯来特离子交换树脂。恢复使用这些吸着剂的产量超过90%,然而,大量的使用图书馆远低于那些ILs用于提取方法和过程可以很容易地转移异构的阶段。图书馆和固体结构的影响运营商、IL加载和IL / Pt摩尔比率。吸附最高收益率时观察到的使用(C_ (14) MIM) Cl-based单列直插式组件。吸附等温线(C_ (14) MIM] Cl / SiO_2单列直插式组件与不同的IL载荷和IL / Pt摩尔比率调查和吸附机制也是吗建议。

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