Hydrometallurgical Process to Recover Cobalt from …

is based on the hydrometallurgical treatment of the cobalt, nickel, manganese, copper and iron alloy resulting from the pyrometallurgy step, in order to separate cobalt from nickel, to recover them selectively in order to use them as battery electrode precursor [10]. Thus, cobalt is recovered as an oxide and nickel as a salt.

Recovery of Cobalt and Copper From Complex Sulfide …

cobalt recovery. No attempt was made to recover the copper. Because of unfavor­ able economic conditions, the mine was put on caretaker status in 1982. In 1979, the Bureau undertook labora­ tory research to develop a process to re­ cover cobalt and copper from a concen­ trate supplied by Noranda. The supplied 4Underlined fer to items at the ...

[PDF] Recovery of copper, cobalt, and zinc from copper …

This study focuses on the recovery of copper and cobalt from copper slags obtained from Kure district of Kastamonu city, which is in the north of Turkey, and removal of Se, Te, Sb and As from mixture…

Selective Recovery of Copper and Cobalt from Mine …

Real mine effluent containing 917 ± 92 mg Cu/L and 36,9 ± 3,7 mg Co/L was used as a real-life sample to demonstrate the ability to separate Cu and Co by means of adsorption on MgO with subsequent recovery copper by leaching and cobalt as sulfide. A brief economic evaluation supports the suitability of the approach.

Cobalt Flotation Recovery

Research using a continuous flotation test unit has resulted in a flowsheet that allows the recovery of 70 pct or more of the cobalt in Missouri lead ore copper concentrates, at grades of greater than 3 pct Co or 7 pct combined Ni-Co. This can be accomplished on feeds grading as low as 0.25 pct Co.

An approach of cobalt recovery from waste copper …

This decreased activity of the reduced cobalt and promoted reduction of cobalt oxide. As a result, the cobalt yield had a significant increase from 66.2% to 90.1% by adding 2% pig iron. Similarly, the copper also accelerated tin recovery through the formation of a copper-tin alloy. The copper and tin yields reached 94.4% and 95.0%, …

A Review of Nickel, Copper, and Cobalt Recovery by …

This overview discusses chelating resin applications to recover copper, nickel, and cobalt from mining process and mining tailings and the effect of contaminants in leach solution. Chelating resins with iminodiacetate functional group can be used for …

Improving the efficiency of oxide copper–cobalt ores …

Improved performance of operating conditions was obtained with the mixture of reagents Rinkalores 10 and Booster Q. Primary feed titrating 8.70% copper and 0.31% cobalt respectively had a recovery ...

Recovery of Copper and Cobalt from Converter Slags via …

Abstract. Large amounts of solid wastes are produced in copper and aluminum smelting processes, which not only cause losses of valuable resources but …

Recover Cobalt & Copper from Sulfide Concentrates

Cobalt Recovery. Cobalt in the copper solvent extraction raffinate was recovered by (1) solvent extraction with Cyanex 272 (an alkyl phosphinic acid-type extractant), (2) stripping the loaded extract with electrolyte recycled from the cobalt electrowinning cell, and (3) returning the loaded strip liquor to the electrowinning cell for …

(PDF) A novel process for cobalt and copper recovery from cobalt …

The overall recovery in this process attained 93.41% for cobalt and 94.33% for copper, separately. Flow chart of the extraction of Co and Cu from cobalt white alloy containing high silicon.

The Demonstration of the Cuprion Process for Recovery of Nickel, Cobalt

The pilot plant produced sufficient leach solution for copper/cobalt/nickel recovery testing and a leach residue for manganese recovery testing. The Cuprion bench testing showed the importance of good ORP control and proved that if sufficient cuprous copper is present, leaching proceeds quickly. The bench testing also showed that while …

Flowsheet options for cobalt recovery in African copper-cobalt …

Most hydrometallurgical flowsheets recover cobalt from the raffinate of the low-grade copper solvent-extraction circuit, although dedicated cobalt leaching, which typically requires reductive ...

Recovery of copper, cobalt, and zinc from copper smelter and converter

A study on the recovery of copper, cobalt, and zinc from copper smelter and converter slags by roasting with sulfuric acid has been conducted. Acid roasting of slags followed by hot water leaching was carried out to bring the metal values into solution. In the leaching experiments, the effects of roasting time, acid/slag ratio, roasting ...

Flowsheet Options for Cobalt Recovery in African Copper–cobalt …

African Copperbelt operations have traditionally focused on copper production; however, it has now become imperative to also consider cobalt recovery from these ores. A plethora of processing routes is possible. Most hydrometallurgical flowsheets recover cobalt from the raffinate of the low-grade copper solvent-extraction circuit.

Modeling and Analysis of Copper, Iron, and Cobalt Recovery …

Extraction metallurgical processes including hydrometallurgy, bio-metallurgy, and pyrometallurgy are employed in the mining industry to recover copper and cobalt [].For over a century, pyrometallurgy was used to treat sulfide ores for the recovering of base metals such as copper, cobalt, zinc, and nickel [2,3,4,5].This process was found to …

GB2583628A

7. A process for recovering copper (Cu) and cobalt (Co) from a copper-cobalt containing material sample, the process being characterised therein that recovery is achieved through electro-cementation, the process comprising the steps of - leaching the material sample in an acidic pH; separating waste material solids through solid/liquid separation to recover …

First Cobalt Studies Battery Recycling for Nickel, Copper and Cobalt …

First Cobalt is currently in preconstruction of a refinery expansion project that will result in annual production of 5,000 tonnes of cobalt contained in a battery-grade cobalt sulfate starting in Q4 2022. The Refinery previously recovered nickel, copper and cobalt and this study will leverage these processes and existing infrastructure.

Why the world is demanding more cobalt, and why new …

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Worldwide research on extraction and recovery of cobalt …

WEBThe keyword analysis shows that the research hotspots gradually shifted over time from early means and methods for determination of cobalt in solution to recovery of cobalt …

Recovery of nickel, copper and cobalt from low-grade …

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]. Xie ...

Recover Cobalt in Copper Leach Solution by Ion Exchange

The initial ion-exchange studies were conducted in 4-ft-high by 1-in-diam fixed-bed columns using Dow resin 4195.02. Over 90 pct of the cobalt was extracted from the spent copper solutions by this weakly basic chelating resin, but resin inventories were high and clarified solutions were required. Therefore, the ion-exchange investigation was ...

An approach of cobalt recovery from waste copper …

The recovery of copper and tin was also studied. The phase transformation during reduction process was clarified by X-ray diffraction and Scanning electron microscope-energy dispersive spectrometer analyses. After the reduction performed at 1250 °C, the copper, cobalt and tin were recovered in a copper-cobalt-tin-iron alloy.

Recovery of Cobalt and Copper from Nchanga Mines Slag

The SCF slag is. processed for copper-cobalt recovery to produce a copper-. cobalt-iron alloy in the cobalt recovery furnace (CRF). The. CRF process aims to obtain a final slag of approximately. 0 ...

Recovery of Copper and Cobalt from Converter Slags via …

The optimum reductant addition of spent cathode carbon block (SCCB) and spent SiC side block (SSCB) was 8-12 wt %, and the copper and cobalt recovery reached more than 98 and 96%, respectively.

Flowsheet Options for Cobalt Recovery in African Copper–cobalt …

The copper and cobalt recovery reached 88.2% and 82.5%, respectively, at room temperature, with a leaching time of 4 h, a pulp density of 33%, an acidity of 178 g/L, and no reductant.

World production and possible recovery of cobalt from …

The most common way of cobalt recovery is high-pressure acid leaching in sulfuric acid (HPAL). After leaching cobalt can be recovered with the use of sulphide precipitation, re …

Recovery of Copper and Cobalt from Converter Slags via …

The optimum reductant addition of spent cathode carbon block (SCCB) and spent SiC side block (SSCB) was 8–12 wt %, and the copper and cobalt recovery reached more than 98 and 96%, respectively. The addition of 10 wt % CaO for SCCB improved slag viscosity and promoted the separation between slag and matte/alloy and fixed fluorine in …

A study of recovery of copper and cobalt from copper–cobalt …

Currently, sulfuric acid leaching has been considered as the leachant to recover copper and cobalt from a copper–cobalt ore of Democratic Republic of Congo (DRC) (Apua and Mulaba-Bafubiandi, 2011, Arslan and Arslan, 2002, Aymn and Ziyadanogullari, 2007, Gupta et al., 2003). However, many mine sites in DRC are remote …

(PDF) Recovery of copper, cobalt, and zinc from copper …

A total of 88% of copper, 87% of cobalt, 93% of zinc, and 83% of iron were extracted in 2 h of roasting at 150 °C and 3:1 acid/slag ratio. Increasing acid roasting temperature and time did not ...

Comparative Cleaning Stages in Recovery of Copper and Cobalt …

It focuses on the determination of the reagents' dosage that enables obtaining the highest recovery of copper (44.80%) and cobalt (88.30%) through flotation of the studied tailings.

Stirred-tank bioleaching of copper and cobalt from mine …

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 …

Minimum cobalt recovery rate from by-products …

The overall utilization efficiency of cobalt was 73.8% throughout the entire life cycle. (5) China's actual cobalt consumption reached 497 kt, accounting for 51.9% of the apparent cobalt ...