A Study on the Copper Recovery from the Slag of the Outokumpu Direct-to-Copper Process

COPPER DROPLETS AGGLOMERATION / COAGULATION IN THE CONDITIONS SIMILAR TO INDUSTRIAL ONESThe studied copper droplets suspension in the liquid slag came from the direct-to-blister technology developed in the KGHM -Polska Miedź S.A. plants. A treatment by the stimulators and reagents was performed in the conditions delivered / ensured by the BOLMET S.A., Wiechlice. These conditions were similar to those usually applied to the industrial process. Particularly, this treatment was similar, to some extent, to that known for the electric arc-furnace technology employed in the Smelter and Refinery Plant, Głogów. An effectiveness of the newly developed and patented complex chemical / reagent for the copper removal from slag was tested during the treatment. The effect of the liquid slag stirring on the copper droplets self-cleaning was also analysed. The performed test confirmed the effectiveness of the studied complex reagent in agglomeration, coagulation and sedimentation of the copper droplets.

Section: Copper Droplets Agglomeration Coagulation and Sedimentationmentioning

confidence: 99%

Copper droplets agglomeration/coagulation in the conditions similar to industrial ones

Wołczyński¹,

Sypień²,

Tarasek³

et al. 2017

“…The experimental set up used in this work is to some extend similar to those ones utilized in paper [23,24]. Graphite penetrators were used as the reducers in this study, and their dimensions can be seen in The graphite penetrator was joined with an alumina tube, and next the alumina tube was fixed into the upper cap of the reaction tube, as is shown in Fig.…”

Section: Experimental 21 Apparatusmentioning

confidence: 99%

“…These relations were established from the gas analyzer calibration procedure, which has been described in details elsewhere [23,24].…”

Section: Calibrations Of the Gas Analyzer And Experimental Set Upmentioning

confidence: 99%

Influence Of Temperature On The Rate Of Copper Recovery From The Slag Of The Flash Direct-To-Blister Process By A Solid Carbon Reducer

Madej¹,

Kucharski²

2015

Influence of temperature on the rate of copper recovery from the slag of the flash dIrect-toblIster process by a solId carbon reducer WpłyW temperatury na szybkość odmiedzioWania żużla z procesu zaWiesinoWego za pomocą reduktora WęgloWegoThe aim of the work was to investigate the influence of temperature on the rate of copper removal from the obtained slag from the flash direct-to-blister process by means of a carbon reducer. The slag used in this work was taken from the direct-to-blister Outokumpu flash furnace at the smelter in Głogów, and graphite penetrators were used as the slag reducers. The experiment was carried out at 1573 K, 1623 K and 1673 K. It was found that the rate of the de-coppering process of the "Głogów" slag increased with the increase of temperature.Keywords:Celem pracy było określenie wpływu temperatury na kinetykę procesu odmiedziowania żużli z procesu zawiesinowego za pomocą reduktora węglowego. Do badań użyto żużel pobrany z procesu zawiesinowego realizowanego w HM "Głogów", przy czym reduktorem były penetratory grafitowe zanurzane w badanym żużlu. Badania przeprowadzono w temperaturach 1573 K, 1623 K i 1673K. Uzyskane wyniki wskazują, że szybkość procesu zwiększała się ze wzrostem temperatury ale tyko w pierwszym okresie.

“…1). The method of tracing changes of the physical properties of processing and post-process slag [3][4][5], and the program for mathematical modeling of the phenomenon of crystallization of metallic phases in the slag, together with the simultaneous application of complex, carbide reagents, allows to reach the content of 0.3% copper in slag.…”

Section: Introductionmentioning

confidence: 99%

The Decopperization and Coagulation by Use the Carbon-N-Ox Method

Bydałek

Migas

Wołczyński

et al. 2017

This paper discusses the impact of complex chemical reagents during the process of decopperisation of slag. The beneficial effect of carbide response factors with the participation of nitrogen was indicated as well as the role of stimulators surfactants. Based on the results of the research the basic structure of the slag during decopperisation was systematized. The effects of coagulation of droplets of copper in the slag were shown in this paper.