Optimization of Ferric Chloride Leaching Parameters of Copper Extraction From
            Chalcopyrite Concentrate Using Taguchi Method

Agacayak, Tevfik; Ahmed, Mohamed Taha Osman Abdelraheem

doi:10.2478/achi-2020-0006

Cited by 2 publications

(1 citation statement)

References 19 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The literature contains a limited number of works [15][16][17] devoted to studying the regularities of nitric acid leaching of copper sulfide minerals. These papers were aimed at studying the dissolution kinetics of certain concentrates.…”

Section: Introductionmentioning

confidence: 99%

Kinetics of nitric acid leaching of bornite and chalcopyrite

Shklyaev,

Dizer,

Lugovitskaya

et al. 2023

Chim.Tech.Acta

View full text Add to dashboard Cite

The paper presents a study of the process of nitric acid dissolution of the natural minerals chalcopyrite and bornite. The influence of various parameters, including temperature, nitric acid concentration and particle sizes, on this process was examined. Based on the data obtained, the values of apparent activation energy (57.41 and 42.98 kJ/mol for chalcopyrite and bornite, respectively), empirical orders with respect to nitric acid (1.62 and 1.57 for chalcopyrite and bornite, respectively) and with respect to particle size (–1.16 and –2.53 for chalcopyrite and bornite, respectively) were calculated using the shrinking core model. Generalized kinetic equations for the dissolution process of both minerals were derived. Based on the calculations performed, it was suggested that the dissolution processes of chalcopyrite and bornite under these conditions are limited by internal diffusion.

show abstract

Section: Introductionmentioning

confidence: 99%

Kinetics of nitric acid leaching of bornite and chalcopyrite

Shklyaev,

Dizer,

Lugovitskaya

et al. 2023

Chim.Tech.Acta

View full text Add to dashboard Cite

show abstract

Copper leaching from the chalcopyrite-bearing MoS2 concentrate by mixed chlorides solution

Tumen-Ulzii,

Gunchin

2023

JSCS

View full text Add to dashboard Cite

In this study, the dissolution of copper sulfide minerals by the ferric (FeCl3) and ferrous (FeCl2) chloride leaching for upgrading the content of molybdenum disulfide (MoS2) in a molybdenite concentrate was investigated. The effect of various parameters was studied on the copper dissolution behavior from the concentrate. In this matter, the copper dissolution was reached 94.84 % under the optimized leaching conditions. The kinetics of copper dissolution from the concentrate was established using a shrinking core model (SCM), and the process was controlled by diffusion, with a corresponding activation energy of 18.63 kJ mol-1 at the temperature range of 343-373 K. The amount of copper in the leachate was tested by the inductively coupled plazma-optical emission spectrometer (ICP-OES) and the solid phase was studied by X-ray diffraction (XRD), and scanning electron microscope (SEM). Results of the experiments show that the content of MoS2 in the solid residue was increased up to 88.59 % after the leaching.

show abstract

Optimization of Ferric Chloride Leaching Parameters of Copper Extraction From Chalcopyrite Concentrate Using Taguchi Method

Cited by 2 publications

References 19 publications

Kinetics of nitric acid leaching of bornite and chalcopyrite

Kinetics of nitric acid leaching of bornite and chalcopyrite

Copper leaching from the chalcopyrite-bearing MoS2 concentrate by mixed chlorides solution

Contact Info

Product

Resources

About