Eco-friendly and biodegradable depressants in chalcopyrite flotation: A review

AK Saim, FK Darteh - Mineral Processing and Extractive Metallurgy …, 2023 - Taylor & Francis
Depressants are critical reagents for the selective separation of minerals in froth flotation.
They serve a vital role in preferentially making the gangue minerals hydrophilic and prevent …

Talc flotation—an overview

J Ann Bazar, M Rahimi, S Fathinia, M Jafari… - Minerals, 2021 - mdpi.com
Talc is a naturally hydrophobic gangue mineral in most sulfide ores. However, talc has vast
applications in the cosmetics, paper, and paint industries due to its high chemical stability …

Flotation separation of apatite and calcite using gum arabic as a depressant

C Zhong, B Feng, L Zhang, W Zhang, H Wang… - Colloids and Surfaces A …, 2022 - Elsevier
Flotation separation of apatite and calcite has always been difficult because of their similar
physiochemical properties. To realize the flotation separation of the two minerals, many …

The separation behavior and mechanism of scheelite and dolomite using locust bean gum as depressant

W Ziming, F Bo, C Yuangan - Minerals Engineering, 2023 - Elsevier
Dolomite is a common vein mineral in scheelite, but how to selectively suppress dolomite in
flotation of scheelite has not been addressedin the past research works. In this paper, the …

Insight into selective depression of sodium thioglycallate on arsenopyrite flotation: Adsorption mechanism and constructure

W Dong, R Liu, C Wang, X Zhu, Z Xie, W Sun - Journal of Molecular Liquids, 2023 - Elsevier
Arsenopyrite is a hazardous substance exist in copper concentrate, thus causing serious
environmental pollution during the smelting process. However, the selective depression of …

Flotation separation of chalcopyrite from talc using a new depressant carrageenan

H Zhou, Z Zhang, L Ou, Q Mai - Colloids and Surfaces A: Physicochemical …, 2020 - Elsevier
As a typical gangue mineral in many sulfide deposits, naturally hydrophobic talc needs to be
depressed by adding depressants to achieve a good flotation separation. Conventional talc …

Insights into the separation of chalcopyrite from pyrite in Mg and Ca using gum acacia, xanthomonas campestris and guar gum: An experimental study validated by …

L Mweene, GP Khanal - Minerals Engineering, 2024 - Elsevier
The surface chemistry of chalcopyrite (Cpy) and pyrite (Py) in presence of water containing
with Mg and Ca was studied using gum acacia (GA), xanthomonas campestris (XC) and …

Selective flotation separation of chalcopyrite from talc by a novel depressant: N-methylene phosphonic chitosan

WL Ye, XG Zhang, CL Pan, XQ Hu, YC Luo, PF Xu - Minerals Engineering, 2022 - Elsevier
In this work, we investigated the flotation performance and selective adsorption mechanism
of a chitosan derivative NMPC (N-methylene phosphonic chitosan) as an novel talc …

Flotation separation of bastnaesite from monazite using depressant dextrin hydrate and its depression mechanism

W Wang, E Li, Z Peng, C Guo, S Hou, Q Li - Minerals Engineering, 2023 - Elsevier
The flotation separation of bastnaesite and monazite is challenging due to their similar
physicochemical properties and floatability. In this work, an environmentally friendly …

Improved flotation of molybdenite from talc using a selective reagent scheme

W Zhang, L Tao, L Xun, Z Qi, S Pooley, W Sun… - Minerals …, 2022 - Elsevier
Talc is one of the most problematic gangue minerals for molybdenite flotation owing to its
strong natural hydrophobicity. In this work, pullulan polysaccharide (PU) was evaluated as a …