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Archives of Metallurgy and Materials

Tytuł artykułu

Dynamic Mode of Copper Recovery from the Post-Processing Slags

Autorzy Wołczyński, W.  Bydałek, A. W.  Migas, P.  Tarasek, A.  Najman, K. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
EN The post-processing slags containing about 0.8 wt.% of copper were subjected to the treatment of a complex reagent. The chemical composition of the complex reagent has been elaborated and patented in frame of the Grant No. PBS3/A5/45/2015. The slags had an industrial origin and were delivered by the Smelter and Refinery Plant, Głogów, as a product of the direct-to-blister technology performed in the flash furnace assisted by the arc furnace. An agglomeration of copper droplets suspended in the liquid slag, their coagulation, and deposition on the bottom of furnace were observed after the treatment this post-processing slag by the mentioned reagent. The treatment of the post-processing slags by the complex reagent was performed in the arc furnace equipped with some additional electrodes situated at the furnace bottom (additional, in comparison with the arc furnace usually applied in the Smelter and Refinery Plant, Głogów). The behaviour of the copper droplets in the liquid slag within the competition between buoyancy force and gravity was studied from the viewpoint of the required deposition of coagulated copper droplets. The applied complex reagent improves sufficiently the surface free energy of the copper droplets. In the result, the mechanical equilibrium between coagulated copper droplets and surrounding liquid slag is properly modified. Eventually, sufficiently large copper droplets are subjected to a settlement on the furnace bottom according to the requirements. The agglomeration and coagulation of the copper droplets were significantly improved by an optimized tilting of the upper electrodes and even by their rotation. Moreover, the settlement was substantially facilitated and improved by the employment of both upper and lower system of electrodes with the simultaneous substitution of the variable current by the direct current.
Słowa kluczowe
EN post-processing slag   complex reagent   copper recovery   arc furnace   rotating tilted electrode  
Wydawca Polish Academy of Sciences, Committee of Metallurgy, Institute of Metallurgy and Materials Science
Czasopismo Archives of Metallurgy and Materials
Rocznik 2018
Tom Vol. 63, iss. 4
Strony 1923--1930
Opis fizyczny Bibliogr. 13 poz., fot., rys.
autor Wołczyński, W.
  • Institute of Metallurgy and Materials Science, Polish Academy of Sciences, 25 Reymonta Str., 30 059 Kraków, Poland,
autor Bydałek, A. W.
  • University of Zielona Góra, Faculty of Mechanical Engineering, 4 Szafrana Str., 65 246 Zielona Góra, Poland
autor Migas, P.
  • AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, Al. Mickiewicza 30, 30 059 Kraków, Poland
autor Tarasek, A.
  • Institute of Metallurgy and Materials Science, Polish Academy of Sciences, 25 Reymonta Str., 30 059 Kraków, Poland
autor Najman, K.
  • Bolmet S.A. Company, Wiechlice 1, Poland
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EN The support was provided by the National Center for Research and Development under Grant No. PBS3/A5/45/2015.
Kolekcja BazTech
Identyfikator YADDA bwmeta1.element.baztech-c9cd292c-abb5-4734-9330-4a7dc529f234
DOI 10.24425/amm.2018.125125