| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Characterization of Minerals, Metals and Materials 2025: In-Situ Characterization Techniques
|
| Presentation Title |
Analysis of Pyrite Depression During Flotation in the Presence of Organic Reagents |
| Author(s) |
Juan Angel Lazcano Pale, Martín Reyes Pérez, Elia Guadalupe Palacios Beas, Iván Alejandro Reyes Domínguez, Julio Cesar Juárez Tapia, Miguel Pérez Labra, Francisco Raúl Barrientos Hernández, Francisco Patiño Cardona, Mizraim Uriel Flores Guerrero |
| On-Site Speaker (Planned) |
Juan Angel Lazcano Pale |
| Abstract Scope |
The Cu-Pb-Zn mineral concentrates produced in the processing plants contain high percentages of pyrite, despite the strenuous use of cyanide to depress it. In this research the effect of the concentration of tannimum (TA) C76H52O46 as a depressant, in proportions of 50 to 800 mg/L at pH 6.0, 7.5, 9.0 and in the presence of 100 mg/L of xanthate (X) was evaluated. The experimental results obtained indicate that, despite the presence of xanthate, FeS2 is depressed by TA, the progressive increase of the depressant gradually decreases the flotation of pyrite, 800 mg/L of TA depresses it in a greater proportion, obtaining it in the concentrate. 11.7 % w/w cumulative flotation, the optimal pH for the highest depression was 7.5 and oxidant pulp potentials referred to the standard hydrogen electrode of around + 400 mv, alkaline pH values (9.0) in the presence of xanthate and tannimum not significantly depress pyrite. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Extraction and Processing, Characterization, Hydrometallurgy |