Xanthate interaction and flotation separation of H2O2-treated chalcopyrite and pyrite

SA Khoso, Y Hu, LÜ Fei, GAO Ya, R Liu… - … of Nonferrous Metals …, 2019 - Elsevier
This study investigated the effects of H 2 O 2 treatment on xanthate interaction and flotation
separation of chalcopyrite and pyrite by making use of a series of laboratory flotation …

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 …

Selective depression of pyrite with a novel functionally modified biopolymer in a Cu–Fe flotation system

SA Khoso, Y Hu, R Liu, M Tian, W Sun, Y Gao… - Minerals …, 2019 - Elsevier
In the flotation of copper sulfides, pyrite is often activated by Cu 2+ ions dissolved from
copper-bearing minerals in alkaline media (pH˃ 9), which results in pyrite entering the …

Selective separation of chalcopyrite and pyrite with a novel and non-hazardous depressant reagent scheme

SA Khoso, F Lyu, X Meng, Y Hu, W Sun - Chemical Engineering Science, 2019 - Elsevier
Pyrite depression in xanthate flotation of multiple sulphide minerals has become a serious
problem in every mineral industry. The present study introduces a novel and non-hazardous …

The synergistic depression phenomenon of an organic and inorganic reagent on FeS2 in CuS flotation scheme

SA Khoso, Z Gao, M Tian, Y Hu, W Sun - Journal of Molecular Liquids, 2020 - Elsevier
The depression of pyrite (FeS 2) through an organic depressant is not only ineffective but
also nonselective which causes poor selectivity. In this research, the depression effect of an …

[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 …

Recovery of high-grade copper concentrate from sulfur-rich porphyry ore using tricarboxystarch micromolecule as pyrite depressant

SA Khoso, Z Gao, W Sun - Minerals Engineering, 2021 - Elsevier
Tricarboxystarch (sodium salt), also known as TCSS, has been studied as a selective
depressant of pyrite in chalcopyrite flotation using xanthate as a collector. In microflotation …

The depression and adsorption mechanism of polyglutamic acid on chalcopyrite and pyrrhotite flotation systems

SA Khoso, Z Gao, X Meng, Y Hu, W Sun - Minerals, 2019 - mdpi.com
The rejection of pyrrhotite and pyrite has become a long-standing problem in the copper ore
industry. This paper describes the first successful depression and adsorption mechanism of …

Iron recovery from residue of lateritic nickel leaching industry

NV Permatasari, H Hadiyanto, B Warsito… - E3S Web of …, 2021 - e3s-conferences.org
HPAL (High-Pressure Acid Leaching) is one of the important technologies for extracting
nickel and cobalt from nickel laterite ore. In the next few years, some plants using this …

Studies on sulfur liberation characteristics of Pakistani high sulfur low-rank coal using Hardgrove grinding

FH Channa, SA Khoso, SA Soomro… - International Journal of …, 2024 - Taylor & Francis
Coal remains the backbone of developing countries' energy needs and economic
development. Coal with improved quality standards is in high industrial demand as it emits …