Breakdown of copper-smelting slags with ammonium chloride

A. N. D'yachenko, R. I. Kraidenko, E. B. Poryvai, S. N. Chegrintsev

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Abstract

A hydrometallurgical method for processing copper-smelting slags with the help of ammonium chloride is proposed. A production flowchart of the process stage is developed. Breakdown of the slag with the help of ammonium chloride is investigated and recommendations on the equipment implementation of the process are given. The copper-smelting slag is formed by minerals Fe₂SiO₄, Zn₂SiO₄, CuFe₂O₄, and Ca₂SiO₄. Breakdown should be performed at 280°C for 4 h with constant stirring and ratio slag: ammonium chloride = 1: 2.

Original language	English
Pages (from-to)	425-428
Number of pages	4
Journal	Russian Journal of Non-Ferrous Metals
Volume	54
Issue number	6
DOIs	https://doi.org/10.3103/S1067821213060047
Publication status	Published - 1 Nov 2013

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Keywords

ammonium chloride
ammonium chlorometallates
case-hardening
copper-smelting slag
fayalite
hydrometallurgy

ASJC Scopus subject areas

Mechanics of Materials
Surfaces, Coatings and Films
Metals and Alloys

Cite this

D'yachenko, A. N., Kraidenko, R. I., Poryvai, E. B., & Chegrintsev, S. N. (2013). Breakdown of copper-smelting slags with ammonium chloride. Russian Journal of Non-Ferrous Metals, 54(6), 425-428. https://doi.org/10.3103/S1067821213060047

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AU - Poryvai, E. B.

AU - Chegrintsev, S. N.

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KW - ammonium chloride

KW - ammonium chlorometallates

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Access to Document

10.3103/S1067821213060047