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2018 | OriginalPaper | Buchkapitel

Separation and Purification of Value Metals from Aqueous Chloride Solutions by Solvent Extraction

verfasst von : V. I. Lakshmanan, R. Sridhar, D. Tait, R. deLaat, M. A. Halim, J. Chen

Erschienen in: Extraction 2018

Verlag: Springer International Publishing

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Abstract

The demand for elements such as nickel, cobalt, titanium and gold in various applications has increased significantly. Innovation to recover these elements now plays a major role in metallurgical processes as established technologies have challenges in treating the types of ores that are available while meeting the increasingly stricter environmental regulations. Alternative chloride based processes have been developed that can be used to recover the value elements from the available feed stocks with potentially lower environmental impact. Chloride-based hydrometallurgical processes have several advantages, including higher leachability of complex ores/tailings and relative stability of chloro-complexes of the metals. Process Research ORTECH Inc. (PRO) has developed mixed-chloride process flowsheets, where innovative solvent extraction process steps are used for the separation of nickel, cobalt, titanium and gold from their respective chloride solutions. This paper will discuss the potential aqueous chloro-chemistry of these metals and separation reaction mechanisms involved in the solvent extraction process.

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Titel: Separation and Purification of Value Metals from Aqueous Chloride Solutions by Solvent Extraction
verfasst von: V. I. Lakshmanan
R. Sridhar
D. Tait
R. deLaat
M. A. Halim
J. Chen
Verlag: Springer International Publishing
Buch: Extraction 2018
Print ISBN: 978-3-319-95021-1

Electronic ISBN: 978-3-319-95022-8

Copyright-Jahr: 2018
DOI: https://doi.org/10.1007/978-3-319-95022-8_171

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