【摘要】 赞比亚穆利亚希氧化铜矿矿石性质复杂，采用硫酸浸出—萃取—电积工艺进行处理。为降低杂质对电积作业的影响、有效控制并提高阴极铜产品质量，深入追踪到浸出、萃取等多个作业系统开展了技术创新研究与应用，包括搅拌浸出分支加酸、浸出液多级净化、高效萃取、负载有机相净化除杂等。结果表明：穆利亚希湿法冶炼厂通过多种技术的研究和应用，从生产源头及过程降低了有害离子、絮凝物的含量，减轻了杂质对电积作业的影响，成功将电流效率提升至96%以上，阴极铜产品的平均纯度提升至99.998 8%,50%以上的阴极铜纯度超过99.999 0%，实现了企业提质增效的目的。更多还原

【Abstract】 The properties of Mulliashi copper oxide ore in Zambia are complex, which was treated by the process of leaching with sulfuric acid, extraction and electrodeposition. In order to reduce the influence of impurities on electrodeposition operations and effectively improve the quality of cathode copper products,technological innovation research and application have been were carried out in multiple operating systems such as leaching, extraction and electrodeposition, including branch acid addition in stirred leaching, multi-stage purification of leaching solution,efficient extraction, and impurity removal by loaded organic phase purification. The results indicate that through a variety of technical innovation and transformation, the Mulliashi hydrometallurgical plant reduces the content of harmful ions and flocculants from the production source and process, and reduces the influence of impurities on electrodeposition operations, the current efficiency is improved to over 96%, the average purity of cathode copper products is raised to 99. 998 8%, and more than 50% of cathode copper purity exceeds 99. 999 0%. These advancements have effectively achieved the goal of enhancing the quality and efficiency of the enterprise.更多还原