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首页> 外文期刊>Journal of industrial and engineering chemistry >Separation of Co and Ni from a chloride leach solutions of laterite ore by solvent extraction with extractant mixtures
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Separation of Co and Ni from a chloride leach solutions of laterite ore by solvent extraction with extractant mixtures

机译：通过萃取剂混合物的溶剂萃取从红土矿石的氯化浸出溶液中分离Co和Ni

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摘要

In order to separate Ni(II) and Co(II) from the chloride leaching solution of nickel laterite ore, solvent extraction experiments with the mixtures of organophosphorus extractants and LIX63 were performed in the pH range from 1 to 3. Among the studied mixtures, a mixture of D2EHPA and LIX63 with the molar ratio of 3:7 showed the best efficiency for the selective extraction of Ni (62%) and Co (96%) from Al and other impurities. High concentration of HCl or H2SO4 could strip Ni from the loaded mixture, while Co was preferentially stripped by low concentration of the acids. (C) 2015 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
机译：为了从红土镍矿的氯化物浸出溶液中分离出Ni（II）和Co（II），在1至3的pH范围内，用有机磷萃取剂和LIX63的混合物进行了溶剂萃取实验。 D2EHPA和LIX63的摩尔比为3：7的混合物显示出从Al和其他杂质中选择性萃取Ni（62％）和Co（96％）的最佳效率。高浓度的HCl或H2SO4可以从负载的混合物中汽提Ni，而Co优先被低浓度的酸汽提。 （C）2015韩国工业和工程化学学会。由Elsevier B.V.发布。保留所有权利。

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