In recent years, there has been a move toward recoveringcopper from converter-typeslagsby milling andflotation. The term "converter-typeslag" is intended to represent aslagthat contains a high amount of magnetite (Fe 3 O 4) and a low amount of silica.
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Jan 01, 2020· This observation is consistent with what was reported in the work of Wang et al. (2011) thatcoppercontent of converter slags are generally higher than that of other smelter slags due toover-oxidationand turbulence in the converting process, which encouragesentrapmentof metal droplets in the slag. The graph shows that as the particle size decreases from largest size fraction of 250–350 …
Jul 01, 2013· Flotation is one of the mosteffective way to recover useful metalsin converter slag , . The converter slag contains 1–6% copper which is mainly in the form ofcopper sulfide,together with and the grade of metallic copper and copper oxide is less . However, converter slag in this research is quite distinct and contains 5.54% copper, in which, the grade of metallic copper is 2.01%.
Roasting of copper converter slag containing 4.03% copper, 1.98% nickeland0.48% cobaltwithammoniumsulphate open to atmosphere has been carried out in order to achieve sulphation of copper ...
Aiming at the recovery of copper fromsmeltingslag, a flotation approach was studied. It was found that this slag composed of fine particles with complex association and distribution, in which bornite was the main copper-bearing mineral after a detailed mineralogy analysis via …
Ausmelt furnace slag contains about 0.9% Cu (mass %). With increasing the amount of Ausmeltfurnaceslag,the recovery of copper from it will produce an enormous economic yield. The recovery of copper by floatation from slow cooled Ausmelt furnace slag was studied in this paper. The phases and composition of the slow cooled slag were analyzed.
The recommended technological parameters for leaching ofcopper(the most important component)from converter slag flotationtailings are: pulp density of 30% (w/v), pH 1.5, temperature of 70 °C ...
Aflotationprocess in whichcopperores orcopper converter slagsare ground and firstly have added thereto benzotriazole or alkyl benzotriazole as an activator and secondly one or more collectors selected from the group consisting of xanthates, dithiophosphates, thiocarbamate esters, dithiocarbamates, mercaptans and dixanthogens and further, if desired, a promoter such as kerosene, light oil ...
Copper Slag Flotation.Copper SlagMilling AndFlotationProcess Enhancing theflotationrecovery ofcopperminerals in 01012020183 The following was used during the milling test work on theslagsamples a laboratory scale ball mill 400 mm by 300 mm a Laarmann laboratory slurry press size 13 for slurry filtration a 1 0 L measuring cylinder for measuring and adding water a drying oven to dry ...
The treatment of two types of industrial metallurgical waste (copper converter slagand oldflotationpyrite tailings) containing non-ferrous and precious metals were examined in the laboratory. Leaching of theslagcontaining 2.74% Cu (as digenite, bornite, and free metal) and 2.49% Zn (as a ferrite ZnFe2O4 and silicate) by an Fe3+-containing ...
Oct 05, 2020·Slag flotationhas the advantages of more efficient Cu recovery and the possibility of using existing crushing/grinding/flotationequipment. ... The TenienteConverterhighcoppercontentslagis ...
Namibia Custom Smelters (NCS) process a range ofcopperconcentrates in their three furnaces, namely; top submerged lance,copper converterand reverberatory furnaces, in order to produce mattes and fayaliticslags. Thecoppercontent of theslagsrange between 0.8 to 5 wt. % and this is considered too high for disposal to the environment.
Laboratory batchflotationtests were conducted oncopper converter slagsto evaluate the relative merits of recoveringcopperfrom slow- cooled versus water-quenchedslags. Threeslagscontaining 1.6, 5.0, and 6.6 percentcopperwere used.
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Copper converter slagscontain 1%–9% Cu, 1%–2% Ni, and 0.4%–0.8% Co depending on the grade of the feed concentrates. In the presence of a mixture of A. ferrooxidans and A. thiooxidans, 66% Cu, 64% Co, and 50% Ni could be recovered from finely groundslagat pH 2 [71–74].
Aflotation processin whichcopperores orcopper converter slagsare ground and firstly have added thereto benzotriazole or alkyl benzotriazole as an activator and secondly one or more collectors selected from the group consisting of xanthates, dithiophosphates, thiocarbamate esters, dithiocarbamates, mercaptans and dixanthogens and further, if desired, a promoter such as kerosene, light oil ...
Namibia Custom Smelters (NCS) process a range ofcopperconcentrates in their three furnaces, namely; top submerged lance,copper converterand reverberatory furnaces, in order to produce mattes and fayaliticslags. Thecoppercontent of theslagsrange between 0.8 to 5 wt. % and this is considered …
Copper Slag Flotation.Copper SlagMilling AndFlotationProcess Enhancing theflotationrecovery ofcopperminerals in 01012020183 The following was used during the milling test work on theslagsamples a laboratory scale ball mill 400 mm by 300 mm a Laarmann laboratory slurry press size 13 for slurry filtration a 1 0 L measuring cylinder for measuring and adding water a drying oven to dry ...
equipment for recoveringcopperfrom furnaceslags. Pyrometallurgical production ofcoppergenerates twoslagssmelting furnaceslagandconverter slagwhich contain cu and cu, respectively the following three methods are generally utilized for recovering thecopperfrom theseslagson an industrial scale i recycling of theconverter slagto the smelting furnace,
Flotationof non-sulfidecopperminerals is rare because these ores are mostly subjected to hydrometallurgicalcopperrecovery, for example, heap leaching. In Zambia and Zaire, however, siliceouscopperoxide ores are floated with fatty acid collectors, ...converter slag, refiningslag, or flue dusts), andcopper-alloy scrap.
copper flotation from converter slags- Select Your Language.copper flotation from converter slagsSearch Results Search Results for "flotation copper slag" Search Again Recovery OfCopper From Converter SlagsBy... Production of brown and black pigments by usingflotationwaste ... Waste Manag Res. 2006 Apr;24(2):125-33.
The analysis of highly reducedslagshas shown that it is possible to remove virtually all of the cobalt and nickel from the olivine in theslag. Nickel-copper converter slag'B' - 3.2 MVA. Large-scale testwork onconverter slagwas conducted, during 1994, on a 3.2 MVA DC-arc furnace operating at a …
Thecoppercontent of theslagsrange between 0.8 to 5 wt. % and this is considered too high for disposal to the environment. Currently, theslagsare sent to a milling andflotationplant for liberation and recovery of residualcopper. Thecopperrecoveries realized in the plant are much lower than expected and it has been postulated that some ...
In this study, the treatment offlotationwaste fromcopper slagby a thermal method and its use as an iron source in the production of inorganic brown and black pigments that are used in the ceramic industry were investigated. The pigments were produced by calcining different amounts offlotationwaste and chromite, Cr2O3, ZnO and CoO mixtures.
Copper Slag FlotationPlant In South Africa Located 360km north east of Pretoria close to the Kruger National Park Palabora is South Africas leadingcopperproducer It is also a major source of vermiculite and baddeleyite zirconium oxide The majority shareholders in Palabora Mining Co are Rio Tinto 57 7 and Anglo American Open.
Vancouver, British Columbia--(Newsfile Corp. - January 13, 2021) - Los AndesCopperLtd. (TSXV: LA) ('Los Andes' or the 'Company') is pleased to a...
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