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A Novel Solid-Solution MXene with High Gravimetric Capacitance Read chapter Read first chapter

2024 | OriginalPaper | Chapter

Acidic and Ammonium Sulphate Leaching of Historic Copper Tailings from Copperbelt Province, Zambia

Authors : Misozi Makangila, Yotamu R. S. Hara, Kakoma Maseka, Rainford Hara

Published in: TMS 2024 153rd Annual Meeting & Exhibition Supplemental Proceedings

Publisher: Springer Nature Switzerland

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Abstract

Acid and ammonia leaching was carried out on old froth flotation copper tailings from the Copperbelt Province in Zambia. The following parameters were studied: type of acid, leaching time, residence time, pulp density, and temperature. Over 80% of Cu was extracted during leaching with sulphuric and hydrochloric acid. On the other hand, leach efficiency for manganese was around 70%. By comparison, sulphuric acid yielded a slight higher leach efficiency for copper and manganese than hydrochloric acid. Leaching time and temperature had a little influence on the recovery of copper under acidic leaching. By comparison, leach efficiency of manganese was more dependent on the time than copper. The optimum time was four hours for ammonia leaching. Analysis of the leach solution with ICP-OES showed that ammonia leaching was more selective for copper than manganese.

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previous chapter Preparation, Structure, and Characterization of SFCA-I
next chapter Application of the Thiocyanate-Thiourea System for the Leaching of Copper Present in Tailings from Pachuca, Hidalgo, Mexico
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Metadata
Title
Acidic and Ammonium Sulphate Leaching of Historic Copper Tailings from Copperbelt Province, Zambia
Authors
Misozi Makangila
Yotamu R. S. Hara
Kakoma Maseka
Rainford Hara
Copyright Year
2024
Book
TMS 2024 153rd Annual Meeting & Exhibition Supplemental Proceedings

Print ISBN: 978-3-031-50348-1

Electronic ISBN: 978-3-031-50349-8

Copyright Year: 2024

DOI
https://doi.org/10.1007/978-3-031-50349-8_160

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