Increasing of metallurgical results during the processing of copper slags of Ural mining and metallurgical company

Gazaleeva, G. I.; Mamonov, S. V.; Sladkov, M. M.; Kutepov, A. V.

doi:10.17580/tsm.2016.03.03

Cited by 3 publications

(1 citation statement)

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“…However, the flotation of slags has several significant drawbacks: the heat of the molten slags is not used; the hardness of the slags is much higher than the hardness of the original ore, that creates great difficulties in crushing and grinding; it is difficult to recycle spent slags containing a large amount of copper in an oxidized form. All these shortcomings greatly limit the possibility of using the flotation method for processing stale slags [8][9][10][11][12].…”

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confidence: 99%

Research for the Processing of Stale Slag from the Ural Region by the Pyro-Metallurgical Method

Malzev

Kolmachikhina

Polygalov

2020

MSF

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Pyro-metallurgical copper production is characterized by the formation of a large amount of slags. The copper content in the smelt slag is 0.5-2 %, in the vessel slag - about 5%, which often exceeds the copper content in the mined ores (about 1%). This makes depletion of slag a necessary operation in the pyro-metallurgical production of copper. In addition, about 110 million tons of copper slags have been accumulated in the dumps of copper factories in the Urals. The processing of these slags which contain up to 2.5% Cu is a very important task, the solution of which will allow extracting copper and reducing the areas occupied by the dumps.

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Section: Introductionmentioning

confidence: 99%

Research for the Processing of Stale Slag from the Ural Region by the Pyro-Metallurgical Method

Malzev

Kolmachikhina

Polygalov

2020

MSF

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Distribution of Antimony in Copper-Zinc Concentrate Metallurgical Processing Products

2019

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Structural Changes in Copper Slags During Slow Cooling

Sukurov,

Kvyatkovskiy,

Kozhakhmetov

et al. 2024

Metals

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The objects of the study were converter slags from the Balkhash copper plant in their initial state and after heat treatment. Using mineralogical and X-ray phase analysis, scanning electron microscopy (SEM), and electron probe microanalysis (EPMA), it was found that the initial converter slag and its thermally treated samples have identical matrices with almost complete coincidence in mineral and phase compositions. The distinguishing feature is the quantitative ratio of mineral components in the slag mass. Almost all of the iron is oxidized and present in the form of fayalite, magnetite, and magnetite, with other elements (silicon, copper, zinc, and aluminum) incorporated into its lattice. The structure of all slag samples indicates an association of sulfur exclusively with copper. Copper in the slags was identified in both metallic and sulfide forms. Slow cooling of the converter slag after its remelting contributes to the reduction in the sulfide–metal suspension in the volume of the melt and its coarsening. During slow cooling, structural changes occur not only in the main oxide part of the slag but also in the polymetallic globules.

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Increasing of metallurgical results during the processing of copper slags of Ural mining and metallurgical company

Cited by 3 publications

References 0 publications

Research for the Processing of Stale Slag from the Ural Region by the Pyro-Metallurgical Method

Research for the Processing of Stale Slag from the Ural Region by the Pyro-Metallurgical Method

Distribution of Antimony in Copper-Zinc Concentrate Metallurgical Processing Products

Structural Changes in Copper Slags During Slow Cooling

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