2015-Sustainable Industrial Processing Summit
SIPS 2015 Volume 5: Vanyukov Intl. Symp. / Non-ferrous & KIVCET
| Editors: | Kongoli F, Kozlov P, Tsymbulov L, Fedorov A, Shumskiy V |
| Publisher: | Flogen Star OUTREACH |
| Publication Year: | 2015 |
| Pages: | 310 pages |
| ISBN: | 978-1-987820-28-7 |
| ISSN: | 2291-1227 (Metals and Materials Processing in a Clean Environment Series) |
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Structure of Mattes Resulting from the Autogenous Smelting of Copper and Zinc Concentrates in Vanyukov's Furnace
Evgeny Selivanov1; Roza Gulyaeva1; Natalia Sel’menskikh1; Vyacheslav Belyaev2;1INSTITUTE OF METALLURGY, URAL BRANCH OF THE RUSSIAN ACADEMY OF SCIENCE, Yekaterinburg, Russian Federation; 2URAL MINING AND METALLURGICAL COMPANY, Yekaterinburg, Russian Federation;
Type of Paper: Regular
Id Paper: 420
Topic: 6
Abstract:
This work presents the results from investigations concerning the structure and chemical composition of the crystallized matter containing 50 to 60 % of Cu that was precipitated during the process of autogenous smelting of copper and zinc concentrates (14 – 18 % of Cu) in Vanyukov's furnace. XRD analysis revealed that the main phase content of the samples was that of bornite, copper sulfide and an insignificant amount of magnetite. The elemental composition of the phases was investigated by optical and electron microscopy and X-ray microanalysis. Phase dispersion was defined and the distribution of impurities (Sn, Sb, Zn, Pb, Ag, Ni, Co, As and Au) therein was identified. The temperatures of phase transition and melting of the mattes and the onset of oxidation and content of the derived precipitate were established under thermal analysis in argon and air flow. It is proposed that the derived results be used for the development of continuous mattes conversion technology.
Keywords:
Copper; Furnace; Microstructure; Non-Ferrous; Recycling;References:
[1] A.A. Gal’nbek. Continuous conversion of mattes, 1993. Moscow, Metallurgia. (in Russian).[2] L.Sh. Tsemekhman, L.B. Tsymbulov, M.V. Knyazev, Н.G. Kajtmazov and V.B. Fomichev: Continious Converting of Copper and Copper-Nickel Matte. The Modern State and Results of Researches, Tsvetn. Mettaly, (2009), 2, 43-48 (in Russian).
[3] S.D. Klushin: Development and investigation of the technology of continuous flame converting of solid nickel mattes with the sake of increasing efficiency and environmental safety of the process, Tsvetn. Mettalurgia, (2002), 4-5, 73 (in Russian).
[4] N.V. Gudima and Ya.P. Sheyn. Quick reference guide to non-ferrous metals, 1975, Moscow, Metallurgia. (in Russian).
[5] L.M. Lundin, L.Sh. Tsemekhman, A.G. Ryabko and G.P. Ermakov. Oxygen solubility in mattes of oxidation processes. Collected papers Gipronickel, 1992, Leningrad (in Russian).
[6] E.N. Selivanov and V.V. Belyaev: Intra-phase distribution of copper and accompanying metals in converting the copper mattes, Tsvetn. Mettaly, (2004), 8, 18-23 (in Russian).
[7] S. Vaisburd. Physicochemical properties and structural features of sulfide alloys, 1996, Moscow, Metallurgiya (in Russian).
[8] E.N. Selivanov, V.A. Kukoev, S.D. Klushin, V.M. Paretskiy: The composition of the products in the smelting of nickel matte to converter matte and ferrite-calcium slag, Tsvetn. Mettaly, (1994), 11, 29-32 (in Russian).
[9] A.V. Vanyukov and V.Ya. Zaitsev, Slags and Mattes of Nonferrous Metallurgy, 1969, Moscow, Metallurgiya (in Russian).
[10] L.N. Ertseva, L.Sh. Tsemekhman and L.B. Tsymbulov: Structure of solid mattes in copper-nickel production. Tsvetn. Mettaly, (2004), 3, 46-48 (in Russian).
[11] S. Vaisburd, A. Berner, D.G. Brandon, S. Kozhakhmetov, E. Kenzhaliyev, and R. Zhalelev: Slags and mattes in Vanyukov’s process for the extraction of copper, Metall. Mater. Trans. B, 33, (2002), 551-559.
[12] E.N. Selivanov, R.I. Gulyaeva, and A.D. Vershinin. Thermal Expansion and Phase Transformations of Copper Sulfides, Inorganic Materials, 43 (2007), 6, 573–578.
[13] E. Burger, D. Bourgarit, V. Frotte and F. Pilon: Kinetics of iron–copper sulphides oxidation in relation to protohistoric copper smelting, J Therm. Anal. Calorim., 103 (2011), 249–256.
[14] R.V. Starykh, S.I. Sineva and S.B. Zakhryapin: Study of the liquidus and solidus surfaces in the quaternary Fe-Ni-Cu-S System: IV. Construction of a meltability diagram and determination of miscibility gap boundaries for the ternary Cu-Fe-S sulfide system, Russian metallurgy (Metally), (2010), 11, 1025-1031.