Copper Recovery Through Smelter Slag Flotation in …
· Copper slag flotation was studied on an industrial scale at a concentrator plant in the region of Atacama, Chile. This study consisted of the physical, chemical, and mineralogical characterization of the copper slag, along with preliminary flotation tests. This article focuses on industrial flotation, which consisted of two oneyear campaigns (2016 and 2017).
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Research of Laws Pyrite-Bearing Slag Flotation of Copper ...
· Keywords: copper smelting slag, flotation, conditioning-tion, copper recovery 1. Introduction Rebellious copper slags are involved in the processing at concentrating plants of the Southern Urals, in addition to pyrite copper and copper-zinc ores. Flotation technology is a universal method of enrichment of natural raw materials
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Recovery of Copper from Copper Smelter Slag …
The recovery of copper from copper smelter slag utilizing flotation has been studied. A copper smelter slag from the Wang Jiaqiao smelter in Yunnan …
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Orica's flotation reagents increase copper recovery rates ...
slow cooled copper slag. Greater understanding, improved performance "The best flotation performance was achieved with the 50:50 addition ratio of DSP 330 and SIBX, with a copper recovery of 92.4% for a head grade of 5.4% and a cut-off copper grade of 24-25%." Pengfu Tan, Alberto Galvez, Lucya Yunus– Mount Isa Mines
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Utilization of flotation wastes of copper slag as raw ...
· Copper slag wastes, even if treated via processes such as flotation for metal recovery, still contain heavy metals with hazardous properties posing environmental risks for disposal. This study reports the potential use of flotation waste of a copper slag (FWCS) as iron source in the production of Portland cement clinker.
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Recovery of Copper from Copper Smelter Slag …
The recovery of copper from copper smelter slag utilizing flotation has been studied. A copper smelter slag from the Wang Jiaqiao smelter in Yunnan Province of china, containing 2.76% Cu, 44.41% Fe, 2.34% Zn and 18.4g/t Ag and so …
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Recovery of Copper and Silver by Flotation from Smelting ...
The recovery of copper from smeltery furnace slag by flotation has been studied. By analysis the slag containing 1.61% copper and 27.80g/t silver is available to recovery. The effective factors such as particle size, the amount and type of collector were examined. The combination of the collectors was also examined. With the process utilized in this work, a copper concentrate of …
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The Recovery of Copper from Smelting Slag by Flotation ...
· Abstract. Aiming at the recovery of copper from smelting slag, 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 polarizing microscope, SEM and XRD.
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17 - Flotation of Gold Ores
· In flotation of gold-containing base metal ores, a number of modifiers normally used for selective flotation of copper lead, lead zinc and copper lead zinc have a negative effect on the floatability of gold. Such modifiers include ZnSO. 4 ·7H. 2. O, SO. 2,Na. 2. S. 2. O. 5. and cyanide when added in excessive amounts.
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[PDF] Optimization of the flotation of copper smelter ...
· Corpus ID: 112238258. Optimization of the flotation of copper smelter slags from Namibia Custom Smelters' slag mill plant @inproceedings{Sipunga2016OptimizationOT, title={Optimization of the flotation of copper smelter slags from Namibia Custom Smelters' slag mill plant}, author={E. Sipunga}, year={2016} }
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COMPARATIVE RESULTS OF COPPER FLOTATION FROM …
· Production of copper concentrate by flotation of smelter slag has started in 2001. Flotation concentrate goes to the Copepr Smelter once more for production of cop-per cathodes and the rough flotation tailings go to the flotation tailing dump. Copper recoveries in the flotation process of smelter slag reaches the value of about 45- 50%.
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Characteristic of Flotation for Recovery of Copper from ...
Sulfide flotation method for the recovery of copper from Kazahstan copper furnace slag is discussed in this investigation. 50% of copper from the slag was recovered by sulfide flotation at pH 4. meanwhile 67% of copper from the
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Recovery of Copper from Reverberatory Copper Slag and ...
· possible option. The copper slag contains a high content of silica and iron. The solution final pH is the most important factor affecting the removal of iron and silica from the leach solution and the overall metal recovery. Fe removal from the leaching of copper slag is done by the formation of a metal hydroxide.
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Dore slag treatment - Noranda Mines Limited
These operations also produce two additional slags, the so-called soda slag and copper slag respectively. The quantity of these slags is much smaller than that of the combined quantity of the silica slag and lead slag (dore slag). These additional slags were not subjected to grinding and flotation in accordance with this invention.
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SUSTAINABILITY OF COPPER SLAG PROCESSING FROM …
The Copper Mine Bor started production in 2001, treating copper slag by flotation, after crushing and grinding (Stanojlovic et al., 2014). Slag processing capacity was 900.000 tons per year during the 2002-2006 period. The average feeds was about 0,7 % Cu with a significant amounts of sulphide and oxide copper minerals. Precious metals was also ...
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RECOVERY OF COPPER FROM COPPER SLAG AND …
· Abstract: Copper smelter slag and copper smelter slag flotation tailings were leached using sulphuric acid solutions, without or with the addition of either ferric sulphate or hydrogen peroxide. Copper extraction from the slag was typically found to be twice as high as that from the slag flotation tailings.
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(PDF) Ferric leaching of copper slag flotation tailings
In this paper, the ferric leaching of slag flotation tailings is studied. Copper extractions of 66% are achieved by ferric leaching, and Cu content in tailings is reduced from 0.78% to 0.24%.
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DETERMINATION OF THE BEHAVIOUR OF VALUABLE …
· Copper Slag Processing: controlled cooling of copper slags prior to flotation treatment Leandro Voisin 1,2, Camila Pizarro 1,2, Julio Ossandón1,2 Results and Discussion The main phases and their corresponding composition results obtained by using QXRD normalized to 100 wt% for the slags doped with 2.4 wt% of Mo and 200
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THE EFFECT OF COPPER SULPHATE ON FROTH STABILITY
· confirmed adsorption of copper sulphate onto the pure mineral surfaces and it was assumed the cations in synthetic plant water also adsorb onto the mineral surfaces in a similar manner. For the UG2 ore, in addition to copper hydroxides forming on the mineral surfaces, chemically reacted copper was also found on the mineral surfaces using the EDTA
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Extraction of copper from copper pyrite (CuFeS 2) involves
Extraction of C u from copper pyrites (C u F e S 2 ) involves. → Crushing followed by concentration of the ore by froth flotation → removal of iron as slag F e O + acidic flux S i O 2 Slag F e S i O 3 → Self-reduction step to produce 'blister copper' following evolution of S O 2, C u 2 S + 2 C u 2 O bliscer copper 6 C u + S O 2 ↑
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RECOVERY OF COPPER FROM SMELTING SLAG BY …
· flotation of slag tailings using sulphuric acid solutions, without or with the addition of either ferric sulphate or hydrogen peroxide. However, the maximum copper extraction attained with the slag was modest at about 63%, whereas that obtained with the slag flotation tailings was as low as 33% (Urosevic et al., 2015). Accordingly, the objective
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Flotation of copper sulphide from copper smelter slag ...
· Lowest copper recoveries were obtained with alkyl hydroxamate in single collector floation performance. It has been reported that the alkyl hydroxamate is not very selective for sulphide flotation. In case of copper slag most of the copper occur in the form of copper sulphide and shows very low response with alkyl hydroxamate.
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How to Recover Copper from Slag by Flotation
· The flotation tailing is a converter-slag discard. Process for Quenched Slag. The treatment of quenched slag is similar to the treatment of slow-cooled slag except for crushing. Slag from the copper converters is skimmed into ladles, transported to a tilting machine, and granulated by pouring it into a quench trough.
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2-Recovery of Copper and Cobalt from Converter Slag …
· Key words: Converter slag, flotation, copper, cobalt, sulphurization. 1. Introduction Copper slag is produced in large amounts in seven copper smelter plants in Chile, and it is estimated that around 4 million tons of slag are disposed every year and another 40 to 45 million tons are historically cumulated [1].
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Copper Recovery Through Smelter Slag Flotation in …
· Copper slag flotation was studied on an industrial scale at a concentrator plant in the region of Atacama, Chile. This study consisted of the physical, chemical, and mineralogical characterization of the copper slag, along with preliminary flotation tests.
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THE EFFECT OF COOLING RATE OF SLAG FROM …
· The content of copper in the flotation tailings directly depends on fragmentation rate (Figure 1). Expected content of copper in the flotation tailings, in the case of cooling in pits, is 0.5-0.9%, and in the case of cooling in pots, from 0.22 to 0.35% Cu. Fig. 1. The effect of fragmentation rate on the slag flotation [6]
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Characterisation and recovery of non-ferrous metals met …
· overflow and in feed streams correspond well a fayalitic copper slag. These streams show a copper grade of nearly 2.5 %, a content which further increases within the flotation to around 22 %, while it drops down to 0.5 % in the rougher and final flotation tailings. The copper concentration in the hydrocyclone underflow from the ball mill is ...
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Recovery of Copper from the Slag of Khatoonabad Flash ...
· Copper loss in the slag of Khatoonabad flash smelting furnace is estimated to be about 1–3 %. At present, the electric slag cleaning furnace is used for the recovery of copper from slag. However, due to low recovery efficiency of electric furnace along with high consumption of electrical energy and water, selection of a method to enable minimum energy consumption …
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