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The beneficiation of high talc-containing copper–cobalt flotation tailings was studied by centrifugal gravity concentration. It was found that copper and cobalt minerals were finely disseminated in the gangue matrix so that conventional gravity ... The final tailing is constituted of the pre- (Kime et al. 2015). Therefore, the trade-off ...
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DOI: 10.1016/J.JECE.2013.08.025 Corpus ID: 137321018; Recovery of cobalt and copper through reprocessing of tailings from flotation of oxidised ores @article{Lutandula2013RecoveryOC, title={Recovery of cobalt and copper through reprocessing of tailings from flotation of oxidised ores}, author={Michel Shengo …
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Grade-recovery curve for chalcopyrite-flotation tests .••..••..•.•••• Large-scale demonstration plant in operation at Magmont mill ••••••.• Effect of nickel concentration in feed to POU on nickel content of cobalt-nickel concentrate (the POU scavenger flotation tailing) TABLES 1 1 3 3 3 4 4 6 8 8 10 13 14 2 4
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The flotation process was used to recover cobalt and sulfur in the cobalt-bearing V–Ti tailings. The results showed that an optimized cobalt–sulfur concentrate with a cobalt grade of 2.08%, sulfur content of 36.12%, sulfur recovery of 85.79%, and cobalt recovery and 84.77% were obtained by flotation process of one roughing, three …
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Bulk flotation experiments with Zambian copper-cobalt sulphide ore showed superior flotation performance, with improved kinetics, when using Sodium Ethyl Xanthate () as a collector instead of a blend of alkyl dithiophosphate and thionocarbamate collectors, with copper sulphides floating more rapidly than cobalt sulphides (Mainza et …
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studied an oxide-sulphide type cobalt-copper mixed ore. Different species of minerals associated together, whereas the cobalt and cooper elements were hosted in diverse min-eral phases, thus the separation of cobalt and copper minerals could be conducted by potential-controlled flotation. Cross et al. [20] found the total volume of sulfide ...
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The mineral composition of copper–cobalt ores is more complex than that of copper sulfides, and it is also difficult to discard tailing efficiently in primary flotation for the fine-grained … Expand. 4. PDF. Save. A reagent scheme for galena/sphalerite flotation separation: Insights from first-principles calculations.
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The results have shown that 55 % of copper, 98.2 % of nickel and 59.5 % of cobalt are extracted from the tailing through the bioleaching process after 30 days at 5 % (w/v) pulp density [153].
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For instance, the flotation process is performed with water containing 25–35% wt solid ratio and is consumed 1.9–3 m 3 water per ton of ore processed (Gunson et al., 2012; Li et al., 2019). However, the tailing slurry containing roughly 40–60% solids is discharged as a result of the process (Bleiwas, 2012). The primary environmental ...
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Abstract This research aimed at recovering metals retained in the tailings from the flotation of copper (Cu) and cobalt (Co) ores conducted at the New Concentrator in Kipushi (NCK). Metals retention in the tailings (0.73% Cu and 0.37% Co) increased due to the removal of the gravity separation section from the processing circuit together with …
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Large-scale application of filled coal mining technology has long been limited by conditions such as the cost of filling. Compared to traditional filling materials, coal flotation tailing filling materials (CFTFM) offers advantages such as low cost and excellent performance. The Box–Behnken response surface method was used to investigate the …
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Cobalt (Co) is a transition metal that has become very essential for clean technologies in recent years (Sun et al. 2019; van den Brink et al. 2020). ... The …
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Cobalt is generally not obtained during smelting in pyrometallurgical processes and remains in the slag. Therefore, the recovery of cobalt from flotation tailings [12–14] or …
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The influence of bacterial inoculation, pH, nutrient medium type and pulp density on the recovery of copper, nickel and cobalt from the tailing was investigated. The results showed that 55.0% of copper, 98.2% of nickel and 59.5% of cobalt could be extracted from the tailing through the bioleaching process after 30 days at 5% (w/v) pulp …
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A secondary cleaner flotation tailing sample containing Ni and Co obtained from a nickel flotation plant (Western Australia) was used in this study. The nickel is predominantly mineralised as pentlandite in a disseminated texture in an ultramafic ore. The elemental assay of the samples is shown in Table 1. It indicates the sample contained …
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The ancient flotation tailings from Lefke, Cyprus, have a potential for non-ferrous metals such as cobalt and copper from more than 9.5 million tons of reserves containing 0.38% …
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Finally, it is proved that the reprocessing of tailing by flotation is reliable, economical and promising in copper extraction industry, and therefore, cleaner production of copper concentrate is feasible. ... copper and cobalt from low-grade Ni–Cu sulfide tailings. Hydrometallurgy, 80 (2005), pp. 54-58. View PDF View article View in Scopus ...
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The sample consisted of 93–94% non-metallic and 5–7% metallic components, with 0.5192% copper, of which 93.64% was oxidized. Initially, a flotation process recovered 0.489% copper. Subsequently, an agitated acid leaching process assessed the effects of acid concentration, temperature, and time.
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A secondary cleaner flotation tailing sample containing Ni and Co obtained from a nickel flotation plant (Western Australia) was used in this study. The nickel is …
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To examine the dissolution behaviour of baked CSS flotation tailing was leached at 50°C at a 1/10 (w/v) for 1 hour by using water. ... Cobalt, which wa s detected in the chemical composition of ...
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The influence of bacterial inoculation, pH, nutrient medium type and pulp density on the recovery of copper, nickel and cobalt from the tailing was investigated. The results showed that 55.0% of copper, 98.2% of nickel and 59.5% of cobalt could be extracted from the tailing through the bioleaching process after 30 days at 5% (w/v) pulp …
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Bioleaching of copper, nickel and cobalt from the low grade sulfidic tailing of Golgohar Iron mine, Iran. Hydrometallurgy, 154 (2015) ... A study of the reprocessing of fine and ultrafine cassiterite from gravity tailing residues by using various flotation techniques. Miner. Eng., 96-97 (2016), pp. 94-98, 10.1016/j.mineng.2016.06.020.
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Tailing sample. A low-grade nickel‑cobalt‑copper bearing sulphidic tailing was used in all of the experiments. It was obtained from the desulphurization plant of Golgohar Iron mine (Sirjan, Iran) from reverse flotation. The characteristics of the representative sample were presented in detail in a previous publication (Ahmadi et al., …
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The mine tailings near Taltal contained considerable amounts of copper (∼5000 ppm) and cobalt (∼115 ppm). After adaptation of the mesophilic consortium, 38% of Co and 86% of Cu were recovered in 2-L STR at 10% solid load after 12 days bioleaching at 30 °C. In a mini-pilot test in 20-L STR at 15% solid load, Co and Cu extraction reached …
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Recovering valuable metals from tailings not only provides a source of income but also helps conserve natural resources, thus reducing the environmental impact of mining activities. This study aimed to recover cobalt using tailings of the Küre flotation plant, which were determined to contain … See more
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The test coal samples for coal flotation tailing were obtained from the Zaozhuang mining area, Shandong province, China. The size distribution of the coal samples is given in Table 1. As observed, the ash content increased with the decrease of coal particle size. The size fraction of -0.045 mm with a high ash content of 64.42% occupied the ...
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Comparative Study of Approaches Based on the Taguchi and ANOVA for Optimising the Leaching of Copper–Cobalt Flotation Tailings January 2017 Chemical Engineering Communications 204(4):512 - 521
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Cobalt is generally not obtained during smelting in pyrometallurgical processes and remains in the slag. Therefore, the recovery of cobalt from flotation tailings [12–14] or smelter slags [ 15–17] is of particular interest. These materials can be used as a secondary source of cobalt and are potentially an important source. There are
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The mine tailings near Taltal contained considerable amounts of copper (∼5000 ppm) and cobalt (∼115 ppm). After adaptation of the mesophilic consortium, …
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The ancient flotation tailings from Lefke, Cyprus, have a potential for non-ferrous metals such as cobalt and copper from more than 9.5 million tons of reserves containing 0.38% Cu, 0.032% Co, and 22.6% Fe. Recovery of cobalt and copper from these
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For the flotation concentrates, bioleaching tests showed 66% cobalt and 33% copper recovery after 13 days. A moderately thermophilic consortium BRGM-KCC achieved comparable Co recovery from flotation tailings in 2-L STR reactor at 40 °C within 8 days (Guezennec et al., 2015). Operation at higher temperature is usually associated …
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Copper slag flotation tailings (CSFT) can be important resource of Cu, Co, and Zn. • By treatment of CSFT, Cu, Co, and Zn output can grow by 0.50%, 4.35%, and 30.72%, respectively. • The possible growth in Co output can help to overcome Co shortage and/or crisis. • Cobalt production and trade can be decentralized through copper …
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This study aimed to recover cobalt using tailings of the Küre flotation plant, which were determined to contain 0.17% Co. Flotation tests were conducted on samples taken from the tailings to ...
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Mineral beneficiation, comminution, flotation, smelting, leaching or refining for sulfide ores (European Commission, 2017b). ... Bioleaching of copper, nickel and cobalt from the low grade sulfidic tailing of Golgohar Iron Mine, Iran. Hydrometallurgy, 154 (2015), pp. 1-8, 10.1016/j.hydromet.2015.03.006.
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The mineral composition of copper–cobalt ores is more complex than that of copper sulfides, and it is also difficult to discard tailing efficiently in primary flotation for the fine-grained disseminated of ore. In this work, a mineral liberation analyzer (MLA) was employed to study the characteristics of minerals. As a significant mineralogical characteristic, the …
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The present research aims at recovering copper and cobalt through reprocessing of tailings from flotation of oxidised ores of copper and cobalt achieved at …
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