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首页> 外文会议>International Conference on the Practice and Theory of Chloride/Metal Interaction >Extraction of Copper(II) from Chloride Systems with Individual and Mixed Extractants
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Extraction of Copper(II) from Chloride Systems with Individual and Mixed Extractants

机译：用个体和混合萃取剂的氯化铜系统提取铜（II）

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摘要

Extraction of copper(II) and zinc(II) from acidic chloride solutions with individual extractants, binary mixtures of two extractants and bi-functional extractants is discussed. Neutral pyridine type extractants with electron withdrawing substituents can be used for copper recovery from concentrated chloride solutions. Stripping can be accomplished with water. Binary mixtures containing a basic or solvating extractant and a chelating extractant permit the recovery of copper(II) and zinc(II) from acidic chloride solutions with the change from a chloride to a sulphate system. The method is also suitable for separating copper(II) from zinc(II) at the extraction, scrubbing or stripping stage. The use of ALAMINE 336 and LIX 54 is proposed when iron(III) is absent or ACORGA CLX 50 and LIX 54 when Fe(III) is present in the aqueous feed. KELEX 100 and LIX 26 can be considered as bi-functional extractants and can be used to recover both copper(II) and zinc(II) from acidic chloride solutions in the absence of iron(III) and to separate these metal ions at the extraction, scrubbing or stripping stage.
机译：讨论了用个体萃取剂的酸性氯化物溶液的铜（II）和锌（II）的提取，两种萃取剂的二元混合物和双官能萃取剂。带电子取代基的中性吡啶型萃取剂可用于浓氯化物溶液中的铜回收。可以用水完成汽提。含有碱性或溶剂化萃取剂的二元混合物和螯合萃取剂允许从酰氯溶液中回收铜（II）和锌（II），并从氯化物转化为硫酸盐体系。该方法还适用于在萃取，擦洗或汽提阶段的锌（II）中分离铜（II）。当在水性饲料中存在铁（III）时，提出了当熨斗（III）或禽CLX 50和LIX 54时，提出了使用alamine336和rix 54。 Kelex 100和Lix 26可被认为是双官能萃取剂，可用于在不存在铁（III）的情况下从酸性氯化物溶液中恢复铜（II）和锌（II），并在提取时分离这些金属离子，擦洗或剥离阶段。

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