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首页> 外文会议>Energy Technologies Symposium >Hydrometallurgical Processing of Copper Smelter Dust for Copper Recovery as Nano-particles: A Review
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Hydrometallurgical Processing of Copper Smelter Dust for Copper Recovery as Nano-particles: A Review

机译：铜冶炼厂铜冶炼厂的含水冶金加工作为纳米粒子的铜恢复：综述

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In view of the steady depletion of primary sources of copper and the increased global demand for refined copper, it becomes necessary to explore some secondary sources for possible extraction of copper. The waste copper smelter dust (CSD) is a rich secondary resource for copper as shown by the chemical composition of the South African Palabora coppers smelter plant CSD that assayed 18.02, 13.36, and 3.4 wt% copper, iron and sulphur; respectively. Studies on CSD have focused majorly on either dust characterization or treatment, while hydrometallurgical extraction without pretreatment and with pretreatment using techniques such as oxidative roasting are also considered quite attractive. The challenge of iron dissolution during the leaching stage in these processes necessitates adequate purification of the leach liquor before the extraction of the metal as nano-particles. Hence, this review examined the theories relating to the characterization and treatment of CSD for copper recovery as nanoparticles; with factors having a bearing on the treatment process such as kinetics considered with the aim of providing scientific basis for the research.
机译：鉴于铜主要来源的稳定消耗以及增加的全球精制铜需求，有必要探索一些次要来源，以便可能提取铜。废铜冶炼厂灰尘（CSD）是铜的丰富二级资源，如南非帕拉布拉铜玻璃植物CSD的化学成分所示，测定18.02,13.36和3.4重量％的铜，铁和硫;分别。对CSD的研究主要针对粉尘表征或治疗，而无需预处理的湿法冶金和使用氧化焙烧等技术的预处理也被认为是非常有吸引力的。在这些方法中浸出阶段铁溶解的挑战需要在将金属作为纳米颗粒提取之前充分纯化浸出液。因此，本综述检测了与铜恢复为纳米颗粒的CSD的表征和治疗有关的理论;具有轴承的因素，如治疗过程，如动力学，旨在为研究提供科学依据。

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