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Sedimentation of Copper Droplets after their Coagulation and Growth. Laboratory Scale

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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The suspension of copper droplets in the slag is considered. The copper/slug suspension is delivered as the product from the direct-to-blister process which is applied in the KGHM – Polska Miedź (Polish Copper) S.A. factory. The droplets / slag suspension was treated by a special set of reagents (patented by the authors) to improve the coagulation process. On the other hand, the observations are made to estimate if the melting / reduction process in the furnace is sufficiently effective to avoid a remaining of carbon in the copper droplets. The coagulation process was carried out in the crucible (laboratory scale). However, conditions imposed to the coagulation / solidification process in the laboratory scale were to some extent similar to those applied usually in the industry when the suspension is subjected to the analogous treatment in the electric arc-furnace. Some suggestions are formulated how to improve the industrial direct-to-blister process.
Rocznik
Strony
95--98
Opis fizyczny
Bibliogr. 7 poz., il.
Twórcy
  • Institute of Metallurgy and Materials Science, Polish Academy of Sciences, Reymonta 25, 30 059 Kraków, Poland
  • AGH University of Science and Technology, Faculty of Non-Ferrous Metals, Mickiewicza 30, 30-059 Kraków, Poland
Bibliografia
  • [1] Bydałek, A.W., Bydałek, A., Wołczyński, W., & Biernat, S. (2015). The concept of slag decopperisation in the flash furnace process by use of complex reagents. Archives of Metallurgy and Materials. 60(1), 319-322. DOI: 10.1515/ amm-2015-0032.
  • [2] Wołczyński, W. (2015). Back-diffusion in crystal growth. Eutectics. Archives of Metallurgy and Materials. 60(3), (in print).
  • [3] Gierek, A., Karwan, T., Rojek, J. & Szymek, J. (2005). Results of test with decopperisation of slag from flash process. Ores and Non-Ferrous Metals. 50(12), 669-680.
  • [4] Migas, P. (2015). Analysis of the rheological behavior of selected semi-solid slag systems in blast furnace flow conditions. Archives of Metallurgy and Materials. 60(1), 85-93. DOI: 10.1515/amm-2015-0014.
  • [5] Bydałek, A.W., Biernat, S., Wołczyński, W. & Bydałek, A. (2015). Optimizing of Work Arc Furnace to Decopperisation of Flash Slag. Archives of Foundry Engineering. 15(3), 21-24.
  • [6] Bydałek, A.W. (2011). Role of carbon in the melting copper processes. Archives of Foundry Engineering. 11(SI 3), 37-42.
  • [7] Migas, P. & Karbowniczek, M. (2010). Interactions between liquid slag and graphite during the reduction of metallic oxides. Archives of Metallurgy and Materials. 55(4), 1147-1157. DOI: 10.2478/v10172-010-0018-0.
Uwagi
PL
Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-4149f38f-a898-4285-b92c-8bef3223b966
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