The flotation separation of chalcopyrite and galena: crystal, surface, floatability and reagents

X Zhang, Y Zhu, PP Mkhonto, Y Meng… - Separation & …, 2024 - Taylor & Francis
Chalcopyrite and galena are primary raw materials for producing Cu and Pb metals,
respectively. Flotation is still the main method to recover these two minerals. So far, lots of …

[HTML][HTML] Thermally activated natural chalcopyrite for Fenton-like degradation of Rhodamine B: Catalyst characterization, performance evaluation, and catalytic …

J Yang, K Jia, S Lu, Y Cao, G Boczkaj… - Journal of Environmental …, 2024 - Elsevier
In this work, catalytic activity of natural chalcopyrite (CuFeS 2) was improved by thermal
activation. The modified chalcopyrite was used as efficient catalyst for degradation of …

Adsorption study of fenugreek gum onto pyrite surface: Implications for chalcopyrite-pyrite flotation separation

G Zhang, G Ye, D Liu - Colloids and Surfaces A: Physicochemical and …, 2023 - Elsevier
In this study, fenugreek gum (FG), an organic polysaccharide possesses excellent water
solubility, was introduced as a novel inhibitor for the selective flotation separation of …

Lactic acid as selective depressant for flotation separation of chalcopyrite from pyrite and its depression mechanism

G Han, S Wen, H Wang, Q Feng - Journal of Molecular Liquids, 2019 - Elsevier
Inorganic depressants are commonly used in the flotation separation of chalcopyrite from
pyrite, but they adversely affect the environment. The use of degradable and …

Selective flotation separation of molybdenite and chalcopyrite by thermal pretreatment under air atmosphere

X Tang, Y Chen, K Liu, G Zeng, Q Peng, Z Li - Colloids and Surfaces A …, 2019 - Elsevier
The flotation separation of molybdenite and chalcopyrite is very difficultly due to their
excellent natural floatability. Thermally pretreat minerals under 250° C before flotation was …

Selective flotation of apatite from micaceous minerals using patauá palm tree oil collector

JAE de Carvalho, PRG Brandão, AB Henriques… - Minerals …, 2020 - Elsevier
Micaceous minerals are commonly found in phosphate ores, representing a challenge to
selectively recover apatite. Aiming at identifying new flotation reagents for the separation of …

Sulfuric acid pretreatment of oxidized pyrrhotite in flotation desulphurization of magnetite concentrate

Q Meng, Z Yuan, Y Du, J Wang - Minerals Engineering, 2023 - Elsevier
The impact of sulfuric acid pretreatment on the surface property of oxidized pyrrhotite (OX-
pyrrhotite) and its application in flotation desulphurization of magnetite concentrate were …

[HTML][HTML] Adsorption and depression mechanism of an environmentally friendly reagent in differential flotation of Cu–Fe sulphides

SA Khoso, Z Gao, M Tian, Y Hu, W Sun - Journal of materials research and …, 2019 - Elsevier
Utilization of large doses of inorganic reagents in mineral industry not only leads to high cost
but also increases the toxicity in the environment. This research provides a new …

Investigating the microwave heating behaviour of pyrrhotite tailings

MW Goldbaum, R Elliott, J Forster, Y Maham… - Minerals …, 2020 - Elsevier
Current practice is for pyrrhotite to be rejected from conventional nickel sulphide processing
circuits due to its low concentration of nickel and high sulphur content. However, the nickel …

Effect of microwave pretreatment on grinding and flotation kinetics of copper complex ore

H Gholami, B Rezai, A Hassanzadeh, A Mehdilo… - International Journal of …, 2021 - Springer
The present study initially investigates the kinetics of microwave-assisted grinding and
flotation in a porphyry copper deposit. Kinetic tests were conducted on untreated and …