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首页> 外文期刊>ACS Sustainable Chemistry & Engineering >Leaching and Selective Extraction of Indium and Tin from Zinc Flue Dust Using an Oxalic Acid-Based Deep Eutectic Solvent
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Leaching and Selective Extraction of Indium and Tin from Zinc Flue Dust Using an Oxalic Acid-Based Deep Eutectic Solvent

机译：利用草酸基深凝胶溶剂浸出和选择性提取锌烟尘粉尘的铟和锡

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摘要

Deep eutectic solvents have previously been used as cost-effective and readily available alternatives to conventional ionic liquids. Due to their versatile complexation properties, they are potential lixiviants for selective metal processing. In this study, we investigate the leaching behavior of three choline chloride-based deep eutectic solvents to selectively separate indium and tin from an oxide flue dust material. Ethylene glycol, urea, and oxalic acid dihydrate were used as hydrogen bond donors in the eutectic mixtures. The highest leaching yields were observed in the oxalic acid system Oxaline. A two-step precipitation procedure was developed for the leachate solution to separate the target metals indium and tin from the main flue dust components, i.e., iron, zinc, lead, and copper. This ionometallurgical approach was compared to equivalent leaching experiments using aqueous oxalic acid solutions and other deep eutectic solvents.
机译：之前的共晶溶剂以前已被用作常规离子液体的成本效益和易于获得的替代品。 由于它们的多功能络合性能，它们是用于选择性金属加工的潜在的李克西兴奋剂。 在这项研究中，我们研究了三种基于氯化氯化氯化氯化物的深凝胶溶剂的浸出行为，以从氧化物烟道粉尘中选择性地分离铟和锡。 使用乙二醇，尿素和草酸二水合物作为共晶混合物中的氢键供体。 在草酸系统中观察到最高的浸出产率。 为渗滤液溶液开发了两步沉淀程序，以将靶标金属铟和锡从主烟道粉尘组分分离，即铁，锌，铅和铜。 将这种离子膜冶金方法与使用含水草酸溶液和其他深的共晶溶剂相等的浸出实验进行比较。

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