| About this Abstract |
| Meeting |
2024 TMS Annual Meeting & Exhibition
|
| Symposium
|
Characterization of Minerals, Metals and Materials 2024: Process-Structure-Property Relations and New Technologies
|
| Presentation Title |
Effect of Aqueous Ferrous Ion on Collectorless Flotation of Pyrite |
| Author(s) |
Martín Reyes Perez, Esmeralda Camacho Gutiérrez, Ramiro Escudero García, Mizraim Uriel Flores Guerrero, Miguel Pérez Labra, Iván Alejandro Reyes Domínguez, Julio Cesar Juárez Tapia, Francisco Raúl Barrientos Hernández , Angel Ruiz Sánchez |
| On-Site Speaker (Planned) |
Esmeralda Camacho Gutiérrez |
| Abstract Scope |
The presence of pyrite in the mineral concentrates of the base metals obtained during flotation, is a common problem, the depression of these impurities continues under investigation. This paper analyzes the surface state of pyrite obtained during collectorless flotation using several concentrations of ferrous sulfate (FS) as a depressant by FTIR. The results found show that the presence of 300 mg/L Fe2+ at pH 6 depresses the pyrite, obtaining a 25% w/w cumulative flotation, at pulp potentials of +61.2 mV, while in the absence of FS the % w/w is 89.9 %. for all the concentrations analyzed (100, 160, 240 and 300 mg/L) the pyrite flotation is less than 50%, the pyrite surfaces characterized by FTIR indicate the presence of different species of iron oxides such as akaganeite, lepidocrocite, goethite, as well as the presence of superficial metal (Fe) – sulfate bonds responsible for the pyrite depression. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Extraction and Processing, Environmental Effects, Characterization |