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Volume 11
Issue 8
10.3390/met11081330
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Article

Lead Electrodeposition from Triethylenetetramine Solution Containing Inhibitors

by
Mateusz Ciszewski
1,*,
Szymon Orda
1,
Michał Drzazga
1,
Patrycja Kowalik
1,
Łukasz Hawełek
2,
Witold Malec
3 and
Katarzyna Leszczyńska-Sejda
1
1
Center of Hydroelectrometallurgy, ŁUKASIEWICZ—Institute of Non-Ferrous Metals, Sowińskiego 5, 44-100 Gliwice, Poland
2
Center of Functional Materials, ŁUKASIEWICZ—Institute of Non-Ferrous Metals, Sowińskiego 5, 44-100 Gliwice, Poland
3
Center of Processing of Metals and Alloys, ŁUKASIEWICZ—Institute of Non-Ferrous Metals, Sowińskiego 5, 44-100 Gliwice, Poland
*
Author to whom correspondence should be addressed.
Metals 2021, 11(8), 1330; https://doi.org/10.3390/met11081330
Submission received: 21 July 2021 / Revised: 20 August 2021 / Accepted: 21 August 2021 / Published: 23 August 2021
(This article belongs to the Section Extractive Metallurgy)
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Abstract

Lead can be efficiently electrodeposited from a number of common leaching agents such as mineral acids, carboxylic acids, and bases (hydroxides and ammonia). This paper reports the possibility to deposit lead from a triethylenetetramine solution, which is also a powerful extracting agent for lead sulfate. The high affinity of triethylenetetramine towards lead sulfate molecules makes it a promising candidate for lead recovery from various solid materials, including industrial secondary resources, sewages, and wastes. A popular methodology that can be found in the literature to recover metal from amine is based on purging a solution with carbon dioxide, resulting in lead carbonate precipitation. Here, the direct electrodeposition of lead from an amine solution was reported. The effects of the main process parameters, i.e., current density, temperature, and presence of additives, were examined to enhance the product quality. Bone glue, ethylene glycol, and polyvinylpyrolidone were used as perspective inhibitors of dendritic lead formation. It was shown that the addition of ethylene glycol can significantly reduce their formation as well as discoloration resulting from amine, producing lead metal with a 99.9% purity.
Keywords: lead; triethylenetetramine; electrodeposition; inhibitors; ethylene glycol lead; triethylenetetramine; electrodeposition; inhibitors; ethylene glycol

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MDPI and ACS Style

Ciszewski, M.; Orda, S.; Drzazga, M.; Kowalik, P.; Hawełek, Ł.; Malec, W.; Leszczyńska-Sejda, K. Lead Electrodeposition from Triethylenetetramine Solution Containing Inhibitors. Metals 2021, 11, 1330. https://doi.org/10.3390/met11081330

AMA Style

Ciszewski M, Orda S, Drzazga M, Kowalik P, Hawełek Ł, Malec W, Leszczyńska-Sejda K. Lead Electrodeposition from Triethylenetetramine Solution Containing Inhibitors. Metals. 2021; 11(8):1330. https://doi.org/10.3390/met11081330

Chicago/Turabian Style

Ciszewski, Mateusz, Szymon Orda, Michał Drzazga, Patrycja Kowalik, Łukasz Hawełek, Witold Malec, and Katarzyna Leszczyńska-Sejda. 2021. "Lead Electrodeposition from Triethylenetetramine Solution Containing Inhibitors" Metals 11, no. 8: 1330. https://doi.org/10.3390/met11081330

APA Style

Ciszewski, M., Orda, S., Drzazga, M., Kowalik, P., Hawełek, Ł., Malec, W., & Leszczyńska-Sejda, K. (2021). Lead Electrodeposition from Triethylenetetramine Solution Containing Inhibitors. Metals, 11(8), 1330. https://doi.org/10.3390/met11081330

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