Advances in depressants for flotation separation of Cu-Fe sulfide minerals at low alkalinity: A critical review

Q Feng, W Yang, M Chang, S Wen, D Liu… - International Journal of …, 2024 - Springer
The flotation separation of Cu-Fe sulfide minerals at low alkalinity can be achieved using
selective depressants. In the flotation system of Cu-Fe sulfide minerals, depressants usually …

Froth flotation of chalcopyrite/pyrite ore: a critical review

CI Castellón, N Toro, E Gálvez, P Robles, WH Leiva… - Materials, 2022 - mdpi.com
In the present work an intense bibliographic search is developed, with updated information
on the microscopic fundamentals that govern the behavior of flotation operations of …

Utilization of soluble starch as the depressant to flotation separation of pyrite from arsenopyrite

J Ran, Y Li, X Zhao, M Jiang, E Gao - Separation and Purification …, 2023 - Elsevier
The separation of arsenopyrite from pyrite has always been a complication due to the lack of
green and high-efficiency flotation reagents. In this study, a macromolecular organic …

Innovative application of sodium tripolyphosphate for the flotation separation of scheelite from calcite

X Wang, W Jia, C Yang, R He, F Jiao, W Qin, Y Cui… - Minerals …, 2021 - Elsevier
The potential of sodium tripolyphosphate as a depressant for selective flotation separation of
scheelite from calcite is investigated by the micro-flotation tests and industrial scale tests in …

[HTML][HTML] Polysaccharides-based pyrite depressants for green flotation separation: An overview

AA Neisiani, R Saneie, A Mohammadzadeh… - International Journal of …, 2023 - Elsevier
Froth flotation is an essential processing technique for upgrading low-grade ores. Flotation
separation would not be efficient without chemical surfactants (collectors, depressants …

[HTML][HTML] Effect of deep oxidation of chalcopyrite on surface properties and flotation performance

Q Luo, Q Shi, D Liu, B Li, S Jin - … Journal of Mining Science and Technology, 2022 - Elsevier
In this study, chalcopyrite was oxidized in hydrogen peroxide (H 2 O 2) solutions of different
concentrations to simulate different degrees of oxidation in real ores, and the effects of H 2 O …

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 …

Highly selective flotation separation of chalcopyrite and pyrite by a novel dithiocarbamate collector with morpholine group

S Zou, S Wang, X Ma, J Yang, H Zhong - Minerals Engineering, 2023 - Elsevier
Efficient and selective flotation separation of chalcopyrite and pyrite in copper-sulfur ores
remains a challenging issue in mineral processing. In the present work, a newly-synthesized …

Advances in depressants used for pyrite flotation separation from coal/minerals

Y Li, G Cheng, M Zhang, Y Cao, E Von Lau - International Journal of Coal …, 2022 - Springer
Pyrite is separated from other minerals mainly by flotation. However, the hydrophilicity of
pyrite is affected by many factors, causing it to easily enter the concentrate and consequently …

Selective depression mechanism of locust bean gum in the flotation separation of chalcopyrite from pyrite in a low-alkalinity media

Z Shen, S Wen, G Han, Y Zhou, X Bai, Q Feng - Minerals Engineering, 2021 - Elsevier
Conventional inorganic depressants are widely used to separate pyrite in the flotation
process of chalcopyrite, however, their widespread use entails some inevitable …