copper cobalt recovery
Electrochemical recovery of cobalt using nanoparticles film of copper
The little effect of Li + concentration on the removal efficiency of Co 2+ indicates the potential of selective recovery of cobalt from waste LiCoO 2. Abstract Nanoparticles film of copper metal hexacyanoferrates (CuHCF) was fabricated to electrochemically separate Co 2+ in aqueous solutions under various conditions such as …
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 a …
Reductive-sulfurizing smelting treatment of smelter …
Effect of smelting duration. It was observed as shown in Fig. 8 that the recovery of copper and cobalt were 59.46% and 78.43% respectively when smelting lasted for 1h. Prolong the smelting time, the metals recovery were up to a maximum (Cu 93.57%, Co 89.88%) at 3h. Above 3h, the recovery decreased slightly.
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 …
Recovery of Copper and Cobalt from Converter Slags via …
Recovery of Copper and Cobalt from Converter Slags via Reduction–Sulfurization Smelting Using Spent Pot Lining as the Reductant | ACS …
Reductive-sulfurizing smelting treatment of smelter slag for copper …
Recovery of copper and cobalt from smelter slag using reductive-sulfurizing smelting method was performed in this study. The effects of reductive agent (coke), sulfurizing agent (pyrite), slag modifier (CaO) and smelting temperature and duration on the extractive efficiencies of Cu, Co and Fe were discussed. The phase compositions and …
(PDF) Investigation of flotation parameters for copper recovery …
The recovery of copper, cobalt and iron was essentially dependent of sulfuric acid concentration in the pH range from 0.8 to 2. Leaching experiments were ran with and without sodium chloride, a ...
Challenges and opportunities for cobalt recovery …
Challenges and opportunities for cobalt recovery at copper plants. Authors: Romke Kuyvenhoven. Brian Townley. University of Chile. Abstract and Figures. Recent developments in electromobility...
Selective cobalt and nickel electrodeposition for lithium-ion
Copper foil was employed as a working electrode for cobalt and nickel deposition; the electrodes were prepared by cutting the copper foil (thickness 0.25 mm, 99.98% trace metals basis, Sigma ...
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 ...
Economic potential and environmental impact of metal recovery …
Recovery of copper, cobalt, and zinc from copper smelter and converter slags. Hydrometallurgy, 67 (2002), pp. 1-7, 10.1016/S0304-386X(02)00139-1. View PDF View article View in Scopus Google Scholar. Attwood, 2022. J. Attwood. A Great Copper Squeeze Is Coming for the Global Economy. Bloomberg (2022)
Cobalt-bearing copper slags from Luanshya (Zambian …
1. Introduction. Copper (Cu) slags may contain many elements considered critical from the technological point of view (Piatak and Ettler, 2021).An example of a critical metal found in elevated concentrations in Cu slags is cobalt (Co), which has been listed in many international lists of strategic and critical minerals (Fortier et al., 2018; European …
Hydrometallurgical recovery of copper and cobalt from …
Recovery of copper and cobaltCopper and cobalt were recovered from the slimes and ammoniacal electrolytes. The slime (obtained in 8 h measurements) was leached threefold with the ammonia–ammonium chloride solution to deplete it in copper and cobalt. Solid residues were dissolved in 2.5 M HCl to determine their chemical …
(PDF) Recovery of Cobalt and Copper from …
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 ...
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.
Recover Cobalt in Copper Leach Solution by Ion …
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 …
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.
The Demonstration of the Cuprion Process for Recovery of Nickel, Cobalt
The batch leach testing confirmed that extraction of copper, nickel, and cobalt exceeded 90%, leaving a manganese carbonate residue for manganese recovery. The Cuprion leach process was piloted over a 5-day period in a series of continuous overflow reactors with closed loop solution recycle.
A study of recovery of copper and cobalt from copper–cobalt …
It was found that using ammonium chloride to roast ore and leaching of the calcined slag by hot water, the precipitation of copper and cobalt from the leaching solution by adjusting pH with ammonia led to a copper and cobalt recovery of 90% and 95%, respectively (Shi et al., 1997, Xiao et al., 2010). By absorbing the exhaust gas, the …
A Review of Nickel, Copper, and Cobalt Recovery …
Chelating resins with iminodiacetate functional group can be used for selective copper recovery, and both iminodiacetate and bis-picolylamine resins are highly selective for nickel and cobalt.
[PDF] Recovery of copper, cobalt, and zinc from copper …
The copper smelting process produces plenty of copper slag every year, which is a hazardous solid waste, but a secondary resource. In the present study, the extraction of copper, nickel, and cobalt…
Efficient Synchronous Extraction of Nickel, Copper, and Cobalt …
The another view hold that sodium sulfate can form eutectic compound sulfate (Na 2 Me(SO 4) 2) react with the preformed metal sulfate (such as nickel sulfate, copper sulfate, and cobalt sulfate ...
Flowsheet Options for Cobalt Recovery in African Copper–cobalt …
ABSTRACT The price of cobalt has increased by some 450% in the past two years, mainly due to increasing demand for lithium–ion batteries. With an official 2017 production of 64 kt, the Democratic Republic of Congo produces more than half of the world's cobalt. African Copperbelt operations have traditionally focused on copper …
Production of cobalt from copper-cobalt ores on the
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. The Cu and ...
Why the world is demanding more cobalt, and why new …
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Will global cobalt supply meet demand? The geological, …sciencedirectCobalt: 2024 World Market Review and Forecast to 2033mcgroup.co.ukRecommended to you based on what's popular • FeedbackWorldwide 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 …
(PDF) A novel process for cobalt and copper …
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.
Flowsheet options for cobalt recovery in African copper-cobalt …
Copper production is via the well known hydrom etallurgical process tha t comprises leaching of the. ore in sulphuric ac id, solution purificatio n using solvent extr action (SX) and metal ...
Copper and cobalt recovery from pyrite ashes of a …
The experimental studies indicated that the pre-enrichment via sulphation roasting method has an effect on the leaching efficiencies of copper and cobalt, and that approximate recoveries of 80% copper and 70% cobalt were achieved in the H 2 O 2-added H 2 SO 4 leaching tests.
An approach of cobalt recovery from waste copper …
Curing the slag with strong sulphuric acid, without re-smelting or roasting as practiced currently in the industry, render it accessible to leaching, and more than 95% of cobalt and up to 90% of copper was extracted together with iron by waterLeaching, leaving silica behind in a residue.
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.
Minerals | Free Full-Text | Geometallurgy of Cobalt …
Copper-cobalt deposits in the Central African Copperbelt belong to the Sediment-Hosted Stratiform Copper (SHSC) type and are situated in the Neoproterozoic Katanga Supergroup. This paper …
An approach of cobalt recovery from waste copper converter …
An approach of cobalt recovery from waste copper converter slags using pig iron as capturing agent and simultaneous recovery of copper and tin - …
[PDF] Processing considerations for cobalt recovery from …
The increased demand for copper and cobalt together with the increase in political stability in the region, have resulted in renewed interest in developing the copper and cobalt deposits in the Katanga Province of the Democratic Republic of the Congo (DRC). A number of projects, in various stages of development, are currently underway in the …
Copper, cobalt, nickel and magnetite recovery from iron ore …
Request PDF | On Jan 1, 2012, G. Onal and others published Copper, cobalt, nickel and magnetite recovery from iron ore tailing | Find, read and cite all the research you need on ResearchGate
Recovery of copper, nickel and cobalt from manganese …
During melting manganese or Ferro-silico-manganese. The period the furnace current and voltage were kept present paper describes the studies carried out at 500 Amps and 45 volts respectively. After only for the recovery of Copper, Nickel & Cobalt complete melting, another 10 minutes was as alloy.
Efficient Recovery of Copper and Cobalt from the Matte
During ISA copper smelting process, ISASMELT furnace discharges a large amount of matte and slag mixture and the separation of them has an important influence on the recovery of valuable metals. This paper presented a reduction-sulfurization sedimentation process for recovering copper and cobalt from the matte–slag mixture of …