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Wyszukujesz frazę "copper slag" wg kryterium: Temat

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    Wyświetlanie 1-4 z 4
    Tytuł:
    Structural Analysis of the Selected Products From the Suspension Furnace Produced in the Internal Recycling
    Autorzy:
    Bydałek, A. W.
    Schlafka, P.
    Grządko, K.
    Wołczyński, W.
    Kwapisiński, P.
    Bromber, S.
    Wędrychowicz, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/382682.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    slag
    copper recovery
    recycling
    żużel
    odzyskiwanie miedzi
    recykling
    Opis:
    There are presents the internal recycling in anode furnace, in addition to mainly blister copper and converter copper. During the process there arise the two types of semi-finished products intended for further pyro metallurgical processing: anode copper and anode slag. The stream of liquid blister copper enters into the anode furnace treatment, in which the losses are recovered, e.g. copper, resulting from oxidation and reduction of sulfides, oxides and the oxidation of metallic compounds of lead, zinc and iron. In the liquid phase there are still gaseous states, which gives the inverse relationship relating to the solid phase, wherein the gases found an outlet in waste gas or steam. The results of chemical analysis apparently differ from each other, because crystallite placement, the matrix structure and the presence of other phases and earth elements are not compared, which can be regained in the process of electrorefining. One should not interpret negatively smaller proportion of copper in the alloy, since during the later part of the production more elements can be obtained, for example from sludge, such as platinum group metals and lanthanides. According to the research the quality of blister copper, to a large extent, present in the alloy phase to many other elements, which can be recovered.
    Źródło:
    Archives of Foundry Engineering; 2017, 17, 2; 9-14
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Research on copper recovery from sledge from suspended copper concentrate reduction process
    Badania nad odzyskiem miedzi z żużla z zawiesinowego procesu redukcji koncentratów miedziowych
    Autorzy:
    Romankiewicz, R.
    Romankiewicz, F.
    Powiązania:
    https://bibliotekanauki.pl/articles/264112.pdf
    Data publikacji:
    2018
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    slag
    copper recovery
    chemical composition
    żużel
    odzyskiwanie miedzi
    skład chemiczny
    Opis:
    The research on the dispersal of slag from the slurry process was carried out in a laboratory resistance furnace. Before declaring, the slag contained 13.62% copper. In the processes of reduction of slag samples with calcium carbide in the form of carbide with activating additives Na2CO3 and CaF2, the content of copper in the slag was reduced to a level of 0.28–0.63% Cu. The polymetallic melt formed after the decoupling of the slag contained 78.55–84.9% Cu, 10.8–16.48% Pb, and 0.08–0.39% Fe.
    Badania nad odmiedziowaniem żużla z procesu zawiesinowego przeprowadzono w oporowym piecu laboratoryjnym. Przed odmiedziowaniem żużel zawierał 13,62% miedzi. W procesach redukcji próbek żużla węglikiem wapnia w postaci karbidu z dodatkami aktywizującymi Na2CO3 i CaF2 osiągnięto obniżenie zawartości miedzi w żużlu do poziomu 0,28–0,63% Cu. Powstający po odmiedziowaniu żużla stop polimetaliczny zawierał 78,55–84,9% Cu, 10,8–16,48% Pb i 0,08–0,39% Fe.
    Źródło:
    Metallurgy and Foundry Engineering; 2018, 44, 3; 119-132
    1230-2325
    2300-8377
    Pojawia się w:
    Metallurgy and Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Determining the Degree of Removal of Copper From Slag
    Autorzy:
    Bydałek, A. W.
    Migas, P.
    Wołczyński, W.
    Biernat, S.
    Bydałek, A.
    Jasińska, K.
    Kwapisiński, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/381015.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    post process slag
    copper recovery
    coagulation
    żużel poobróbkowy
    odzysk miedzi
    proces koagulacji
    Opis:
    The scope of work included the launch of the process of refining slag suspension in a gas oven using a variety of technological additives. After the refining process (in the context of copper recovery), an assessment of the effect of selected reagents at the level of the slag refining suspension (in terms of copper recovery). Method sieve separated from the slag waste fraction of metallic, iron - silicate and powdery waste. Comparison of these photographs macroscopic allowed us to evaluate the most advantageous method of separating metallic fraction from the slag. After applying the sample A (with KF2 + NaCl) we note that in some parts of the slag are still large amounts of metallic fraction. The fraction of slag in a large majority of the elements has the same size of 1 mm, and a larger portion of the slag, the size of which is from 2 to 6 mm. Definitely the best way is to remove the copper by means of the component B (with NaCl ) and D (with KF2). However, as a result of removing the copper by means of component C (with CaO) were also obtained a relatively large number of tiny droplets of copper, which was problematic during segregation. In both cases we were able to separate the two fractions in a fast and simple manner.
    Źródło:
    Archives of Foundry Engineering; 2016, 16, 4; 41-46
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dynamic Mode of Copper Recovery from the Post-Processing Slags
    Autorzy:
    Wołczyński, W.
    Bydałek, A. W.
    Migas, P.
    Tarasek, A.
    Najman, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/352769.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    post-processing slag
    complex reagent
    copper recovery
    arc furnace
    rotating tilted electrode
    Opis:
    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.
    Źródło:
    Archives of Metallurgy and Materials; 2018, 63, 4; 1923-1930
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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