Pretreatment and recovery of base metals from oxidised ores by froth flotation technology – A review

IF 4.9 2区 工程技术 Q1 ENGINEERING, CHEMICAL Minerals Engineering Pub Date : 2024-10-08 DOI:10.1016/j.mineng.2024.109024
Nompumelelo Nkosi, Willie Nheta
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Abstract

Base metals are among the key drivers propelling the economy’s expansion due to their widespread uses and applications. They are used as input factors in the construction of houses, transportation, plants, machinery, pipes, electrical cables, etc. As high-grade base metal sulphide deposits continue to diminish rapidly, the focus is shifting towards recovering these metals from lower grade oxidised and mixed ore deposits. This article critically discusses several research attempts made on the pretreatment of oxidised and mixed ores to increase base metal recoveries by froth flotation, as well as their benefits and drawbacks. Finally, the paper proposes further research and suggest steps forward to pretreatment of oxidised base metals. It is strongly believed that with proper pretreatment of oxidised base metals prior to flotation, when established as a viable technology recognised by industry, will contribute to the sustainability of base metal industry.
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利用泡沫浮选技术预处理和回收氧化矿石中的贱金属 - 综述
贱金属因其广泛的用途和应用而成为推动经济发展的主要动力之一。它们被用作建造房屋、交通、工厂、机械、管道、电缆等的投入要素。随着高品位基本金属硫化物矿床不断迅速减少,人们正将重点转向从低品位氧化矿床和混合矿床中回收这些金属。本文批判性地讨论了为通过泡沫浮选提高基本金属回收率而对氧化矿石和混合矿石进行预处理的几项研究尝试,以及它们的优点和缺点。最后,本文提出了进一步研究的建议,并提出了氧化贱金属预处理的步骤。我们坚信,在浮选前对氧化贱金属进行适当的预处理,一旦成为一项得到业界认可的可行技术,将有助于贱金属行业的可持续发展。
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来源期刊
Minerals Engineering
Minerals Engineering 工程技术-工程:化工
CiteScore
8.70
自引率
18.80%
发文量
519
审稿时长
81 days
期刊介绍: The purpose of the journal is to provide for the rapid publication of topical papers featuring the latest developments in the allied fields of mineral processing and extractive metallurgy. Its wide ranging coverage of research and practical (operating) topics includes physical separation methods, such as comminution, flotation concentration and dewatering, chemical methods such as bio-, hydro-, and electro-metallurgy, analytical techniques, process control, simulation and instrumentation, and mineralogical aspects of processing. Environmental issues, particularly those pertaining to sustainable development, will also be strongly covered.
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