recovery of cobalt from copper ore

Recovery of cobalt, nickel, and copper from slags, using ...

Aug 06, 2020· However, the miner said demand for copper and cobalt showed positive signs of recovery. Here is what Glencore had to say about the outlook for copper, cobalt and zinc.

recovery of cobalt from copper ore

the recovery of cobalt providing a closed system in used (10). In this study, a mixture of oxidized copper ore and converter slag was sulfurized under autoclave 51

Smart Recovery of Cobalt as a By-Product of Primary Copper ...

Dec 01, 2013· The present research aims at recovering copper and cobalt through reprocessing of tailings from flotation of oxidised ores of copper and cobalt achieved at the Kambove Concentrator (DRC). 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 ...

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

Cobalt Recovery. Cobalt in the copper solvent extraction raffinate was recovered by (1) solvent extraction with Cyanex (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 .

A study of recovery of copper and cobalt from copper ...

Recovery of cobalt and copper through reprocessing of tailings from flotation of oxidised ores Article (PDF Available) in Journal of Environmental Chemical Engineering 1/4(4):1085–1090 · August ...

COBALT PROCESSING DEVELOPMENTS K G Fisher Bateman ...

Iron Ore Mine. Figure 1: Location of Teck's Mesaba Property The mineralogy of the Mesaba ore does not allow for effective production of separate copper and nickel concentrates, however, a low grade bulk concentrate may be produced with reasonable copper and nickel recoveries.

Recovery of cobalt and copper through reprocessing of ...

Oxidized copper-cobalt ores are often treated by hydrometallurgical methods (Kime, 2017) and in some cases by flotation (Kime, Ntambwe, & Mwamba, 2015). ... The development of the cobalt recovery ...

The Revovery of Copper and Cobalt from Oxidized Copper …

optimum conditions for the flotation of nickel, copper and cobalt from a nickel-copper sulphide ore. The parameters investigated include collector dosage, percentage solids, depressant dosage and pH. The effects of these parameters at three different levels on the recovery of Ni, Cu and Co were investigated using an L 9 Taguchi orthogonal array.

(PDF) Recovery of cobalt and copper through reprocessing ...

Cobalt sulfides occasionally occur in lead-zinc deposits in quantities sufficient to justify their recovery. Mineral processing. The most important sulfide sources, the copper-cobalt ores of Congo (Kinshasa) and Zambia, are processed in the conventional manner to produce a copper-cobalt concentrate.

[PDF] Recovery of Cobalt and Copper From Complex Sulfide ...

acid/ammonia ratio on the leaching of rich - cobalt copper oxidised ore. It will also evaluate the effect of key parameters (time, ammonia concentration, and pH) on the recovery of Cu, during nitric acid/ammonia leaching of copper- cobalt oxidised ore. II. EXPERIMENTAL A. Materials . Copper ores present in the southern Democratic Republic of

Copper and cobalt recovery from pyrite ashes of a ...

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 ...

Value Recovery from Mukondo Mine Low-Grade Cobalt Ore by ...

The differences in copper recovery between samples are smaller than the differences observed for cobalt recovery. When comparing the trends of cumulative recoveries of the two metals, copper displays faster kinetics than cobalt. Copper recovery after 30 s varies from 13% to 59%, whereas for cobalt the recovery after 30 s ranges between 5% and 38%.

(PDF) Recovery of cobalt and copper through reprocessing ...

Cobalt is recovered as a by-product from extraction of nickel and/or copper ore. The largest cobalt output is derived from copper sediment-hosted deposits in the Democratic Republic of Congo (DRC). Efficient co-recovery of cobalt is challenging because the ratios of copper and cobalt …

Cobalt extraction - Wikipedia

(2019). Application of Knelson Concentrator for Beneficiation of Copper–Cobalt Ore Tailings. Mineral Processing and Extractive Metallurgy Review: Vol. 40, No. 1, pp. 35-45.

Application of Knelson Concentrator for Beneficiation of ...

Table of ContentsDescription of Feed MaterialOxidative Pressure LeachingEquipment DescriptionPreparation of Leach Slurry for Metal Recovery StudiesLeach Liquor ...

Ammonia/nitric Acid Leaching of Copper- Cobalt Oxidized Ore

For cobalt recovery in a copper sulfide ore process, copper is removed via electrowinning and iron, zinc, and more copper are precipitated by increasing the pH of the solution. Cobalt Winning Operation

cobalt copper ore production

Cobalt extraction - Wikipedia. Recovery from copper-cobalt sulfide concentrates. The ores are treated by a sulfatizing roast in a fluidized bed furnace to convert copper and cobalt sulfides into soluble sulfates and iron into insoluble hematite.The calcine is subsequently leached with sulfuric acid from the spent copper recovery electrolyte.Oxide concentrates are introduced at this leaching ...

Cobalt processing - The metal and its alloys | Britannica

Oxidized copper-cobalt ores are often treated by hydrometallurgical methods (Kime, 2017) and in some cases by flotation (Kime, Ntambwe, & Mwamba, 2015). ... The development of the cobalt recovery ...

The Revovery of Copper and Cobalt from Oxidized Copper …

Mintek has been working on the recovery of cobalt, and the associated valuable metals, from slags, since 1988, using DC-arc furnace technology to effect selective carbothermic reduction of the oxides of cobalt, nickel, copper, (and zinc, where present), while retaining the maximum possible quantity of iron as oxide in the slag.

Flotation of Nickel-Copper Sulphide Ore: Optimisation of ...

Sep 29, 2017· In terms of impurities, manganese is the most troublesome impurity for cobalt recovery, specifically from copper-cobalt ores, in which Mn is present in high quantities. Air/SO 2 or O 2 /SO 2 mixtures are used to oxidize and precipitate manganese from sulfates, commercially adopted at DRC copper-cobalt plants (Tenke, Fungurume, and Ruashi).

JOM 0610: Cobalt-Its Recovery, Recycling, and Application

Cobalt processing - Cobalt processing - The metal and its alloys: In the production of a so-called cemented carbide, such as tungsten carbide, a briquetted mixture of tungsten carbide and cobalt powder is heated at a temperature above the melting point of cobalt. The latter melts and binds the hard carbides, giving them the toughness and shock resistance needed to make carbides of practical ...

Processing of Konkola copper concen- trates and Chingola ...

Cobalt extraction - Wikipedia. Recovery from copper-cobalt sulfide concentrates. The ores are treated by a sulfatizing roast in a fluidized bed furnace to convert copper and cobalt sulfides into soluble sulfates and iron into insoluble hematite.The calcine is subsequently leached with sulfuric acid from the spent copper recovery electrolyte.Oxide concentrates are introduced at this leaching ...

Minerals | Free Full-Text | Mineralogical Prediction of ...

recovery of cobalt from copper ore. recovery of cobalt from copper oreGrinding Mill China. A number of cobalt-copper oxide ore samples were obtained from the DRC for the A Wemco flotation cell of 2 5 litre volume was used with the rotor set at 1200rpm. . attempting to improve the rate of cobalt flotation and recovery while keeping the This reflects the problems of optimally sulphidising high ...

recovery of cobalt from copper ore

Oct 25, 2018· 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; however, it has now become imperative to also consider cobalt recovery from these ores. A plethora of processing routes is possible.

Recovery of cobalt, nickel, and copper from slags, using ...

oxide copper materials are discussed, as are the potential benefits offered by integration of the new pressure leach facility with the existing Tailings Leach Plant (TLP) at Nchanga. Finally, the relative environmental impact of the smelting and hydrometallurgical processes are compared, and the potential for recovery of cobalt from ...

NICKEL AND COBALT RECOVERY FROM MESABA …

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.

Value Recovery from Mukondo Mine Low-Grade Cobalt Ore by ...

Recovery from copper-cobalt sulfide concentrates. The ores are treated by a sulfatizing roast in a fluidized bed furnace to convert copper and cobalt sulfides into soluble sulfates and iron into insoluble hematite. The calcine is subsequently leached with sulfuric acid from the spent copper recovery …

A study of recovery of copper and cobalt from copper ...

ores of other metals – predominantly copper, nickel and silver/arsenic. Hence cobalt is seldom mined solely in its own right and its recovery is usually viewed as a by-product.