[HTML][HTML] Interaction mechanism of tannic acid with pyrite surfaces and its response to flotation separation of chalcopyrite from pyrite in a low-alkaline medium

G Han, S Wen, H Wang, Q Feng - Journal of Materials Research and …, 2020 - Elsevier
In the process of chalcopyrite–pyrite flotation, depression of pyrite is of great significance. In
this study, tannic acid (TA) was used to replace traditional inorganic reagents for depression …

Adsorption characteristics of Pb (II) species on the sulfidized malachite surface and its response to flotation

H Wang, S Wen, G Han, Q Feng - Separation and Purification Technology, 2021 - Elsevier
Sulfidization flotation is the main method for recovering non-ferrous metals oxide minerals,
and the sulfidization effect determines the flotation recovery of minerals. In this paper, the …

Evaluation of green synthetic depressants for sulfide flotation: Synthesis, characterization and floatation performance to pyrite and chalcopyrite

SA Khoso, Y Hu, M Tian, Z Gao, W Sun - Separation and purification …, 2021 - Elsevier
Native starch has a complex molecular structure that limits its ability as a selective
depressant in sulfide flotation separations. This research study was conducted primarily to …

Flotation separation of chalcopyrite from pyrite using a novel On-butyl-N-isobutyl thionocarbamate as the selective collector

X Qiu, Z Huang, F Cao, D Sun, P Wang… - Colloids and Surfaces A …, 2023 - Elsevier
A novel thionocarbamate collector, On-butyl-N-isobutyl thionocarbamate (NBIB), was
synthesized. The flotation test showed that NBIB has good selectivity under low alkali …

[HTML][HTML] Synoptic view on P ore beneficiation techniques

M Sajid, G Bary, M Asim, R Ahmad, MI Ahamad… - Alexandria Engineering …, 2022 - Elsevier
Phosphorite mineral is the most important natural source of phosphorus (P) which has
several applications in agriculture (as fertilizers), pottery, and animal feed. Phosphorite …

Surface characterization of azurite modified with sodium sulfide and its response to flotation mechanism

Q Zhang, S Wen, Q Feng, S Zhang - Separation and Purification …, 2020 - Elsevier
Among copper oxide ores, the reserves of azurite are second only to those of malachite.
However, little information is available regarding the flotation behavior and mechanism of …

The selective depression effect of dextrin on pyrite during the Zn–Fe sulfides flotation under low alkaline conditions

X Sun, L Huang, D Wu, X Tong, S Yang, B Hu - Colloids and Surfaces A …, 2022 - Elsevier
As an environmentally friendly scale inhibitor, characterized by low cost, high efficiency and
no secondary pollution, dextrin was utilized as a depressant in the flotation separation of …

Identification of copper-sulfide species on the cuprite surface and its role in sulfidization flotation

G Han, S Wen, H Wang, Q Feng - Colloids and Surfaces A …, 2021 - Elsevier
Cuprite is an important copper-oxide mineral that is difficult to recover in flotation. Therefore,
it is necessary to study the flotation behavior of cuprite to recover copper resources. In this …

Adsorption of organic dyes in mesoporous carbon sorbent modified with salicylic acid

AV Sedanova, LG P'yanova, NV Kornienko… - Journal of Materials …, 2023 - Springer
For the first time an advanced carbon sorbent modified with salicylic acid for medicinal and
veterinary applications was synthesized by the adsorption from solutions. Optimal …

Copper removal and elemental sulfur recovery from fracturing flowback water in a microbial fuel cell with an extra electrochemical anode

S Wu, X Zhang, P Lu, D Zhang - Chemosphere, 2022 - Elsevier
Fracturing flowback water (FFW) from the shale gas exploitation resulted in environmental
burden. FFW could be treated by a microbial fuel cell (MFC), but the challenge for the …