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NON-DISPERSIVE SOLVENT EXTRACTION OF COPPER FROM AMMONIACAL SOLUTIONS

机译:来自氨溶液的非分散溶剂萃取铜的溶剂

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The aim of this study was to check the feasibility of non-dispersive solvent extraction to recover copper from ammoniacal solutions using hollow fibres as contactors. Data of mass transfer using the P-diketone LIX 54 as extractant was obtained. The influence of tube and shell hydrodynamics on the extraction rate of copper was studied. The overall mass transfer coefficient of copper was calculated from the experimental data by performing steady state material balance. Simultaneous extraction and stripping experiments were carried out using different volume ratios of feed phase to stripping phase. The results obtained showed that practically all the copper content was removed from the ammoniacal feed solutions. The recovery of copper reached nearly 100 percent in several extraction-stripping experiments.
机译:本研究的目的是检查非分散溶剂萃取的可行性,以使用中空纤维作为接触器从氨基溶液中回收铜。获得使用P-Diketone LiX 54作为萃取剂的传质数据。研究了管和壳体流体动力学对铜提取率的影响。通过进行稳态材料平衡,根据实验数据计算铜的整体传质系数。使用不同体积比对汽提相的不同体积比进行同时提取和剥离实验。得到的结果表明,实际上,从酰胺进料溶液中除去所有铜含量。在几个提取剥离实验中,铜的回收率达到近100%。

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