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Matte-slag separation behavior as a function of iron phase reduction in copper slag

Liu, Y.-X. ; Wei, Y.-G. ; Zhou, S.-W. ; Li, B. ; Wang, H.

Journal of mining and metallurgy. Section B, Metallurgy, 2023, Vol.59 (1), p.27-37 [Periódico revisado por pares]

Bor: Technical Faculty Bor, University of Belgrade

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Título:
Matte-slag separation behavior as a function of iron phase reduction in copper slag
Autor: Liu, Y.-X. ; Wei, Y.-G. ; Zhou, S.-W. ; Li, B. ; Wang, H.
Assuntos: Analytical chemistry ; Anthracite ; Cleaning ; Cooling ; Copper ; Electric furnaces ; Energy consumption ; Experiments ; Foaming ; foaming slag ; High temperature ; Iron oxides ; magnetite ; Metallurgy ; reduction ; Separation ; Slag ; Smelting furnaces ; Spectrum analysis ; Sulfur ; Viscosity
É parte de: Journal of mining and metallurgy. Section B, Metallurgy, 2023, Vol.59 (1), p.27-37
Descrição: The Isa smelting furnace discharges the matte and slag in the same tapping hole. As a result, an electric furnace needs to clean the slag. In the present study, the copper slag cleaning in an electric furnace, particularly the separation of the matte from the slag during the reduction process, was investigated. For Fe3O4 to FeO, the foaming slag in the melt disappeared when the Fe3O4 content was less than 10%. With the formation of the metallic iron, the foaming slag formed again, hindering the sedimentation of the matte. When the anthracite dosage increased to 2.61%, the copper content in the slag increased to 9.46%. The microstructure of the slag and the existence of the metallic iron found in the slag were analyzed in detail. The results obtained in this study provide a theoretical basis for the reasonable control of the transformation of Fe3O4 during the copper slag cleaning.
Editor: Bor: Technical Faculty Bor, University of Belgrade
Idioma: Inglês

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Matte-slag separation behavior as a function of iron phase reduction in copper slag

Liu, Y.-X. ; Wei, Y.-G. ; Zhou, S.-W. ; Li, B. ; Wang, H.

Bor: Technical Faculty Bor, University of Belgrade

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