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Wyszukujesz frazę "copper slag" wg kryterium: Temat

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    Wyświetlanie 1-3 z 3
    Tytuł:
    The Decopperization and Coagulation by Use the Carbon-N-Ox Method
    Autorzy:
    Bydałek, A.
    Migas, P.
    Wołczyński, W.
    Karwan-Baczewska, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/355826.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    crystals morphology
    calcium compounds
    copper slag
    salts
    Opis:
    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.
    Źródło:
    Archives of Metallurgy and Materials; 2017, 62, 4; 2375-2380
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of the Harmfulness of the Slags from Copper Smelting Processes, in an Aspect of their Management
    Autorzy:
    Holtzer, M.
    Bydałek, A.
    Wołczyński, W.
    Kmita, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/382572.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    innovative technology
    slag copper
    leaching
    environmental protection
    technologia innowacyjna
    żużel
    ługowanie
    ochrona środowiska
    Opis:
    There are two methods to produce primary copper: hydrometallurgical and pyrometallurgical. Copper concentrates, from which copper matte is melted, constitute the charge at melting primary copper in the pyrometallurgical process. This process consists of a few stages, of which the basic ones are roasting and smelting. Smelting process may be bath and flash. Slag from copper production, on the end of process contain less 0,8%. It is treat as a waste or used other field, but only in a few friction. The slag amount for waste management or storage equaled 11 741 – 16 011 million tons in 2011. This is a serious ecological problem. The following slags were investigated: slag originated from the primary copper production process in the flash furnace of the Outtokumpuja Company in HM Głogów 2 (Sample S2): the same slag after the copper removal performed according the up to now technology (Sample S1): slag originated from the primary copper production process in the flash furnace of the Outtokumpuja Company in HM Głogów 2, after the copper removal performed according the new technology (Sample S3). In practice, all tested slags satisfy the allowance criteria of storing on the dumping grounds of wastes other than hazardous and neutral.
    Źródło:
    Archives of Foundry Engineering; 2017, 17, 3; 191-195
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of 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
      Wyświetlanie 1-3 z 3

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