Transfer of Gold, Platinum and Non-Ferrous Metals from Matte to Slag by Flotation
Abstract
:1. Introduction
2. Materials and Methods
3. Results and Discussion
3.1. The Form of Finding of Gold and Platinum in the Melting Products of Sulfide Materials
3.2. Flotation of Matte Droplets in an Oxide Melt
3.3. Influence of CaCO3 and CaF2 Fluxes on the Distribution of Gold, Platinum and Non-Ferrous Metals between Matte and Slag
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Component | Content, wt.% | ||
---|---|---|---|
Copper–Nickel Sulfide Ore | Gold-Bearing Pyrite Ore | Copper–Nickel Matte | |
SiO2 | 5.60 | 10.2 | - |
Al2O3 | 2.40 | 0.37 | - |
CaO | 0.30 | 1.12 | - |
MgO | 0.40 | 1.32 | - |
Fe | 54.6 | 37.7 | 57.9 |
MnO | 0.20 | - | - |
K2O | 0.30 | 0.24 | - |
Na2O | 0.30 | 0.80 | 0.38 |
S | 31.3 | 45.1 | 29.8 |
Cu | 4.67 | 1.83 | 7.02 |
Ni | 4.28 | - | 4.98 |
Co | 0.30 | - | 0.15 |
Au | 0.4 × 10−4 | 1.2 × 10−4 | 13.1 × 10−4 |
Pt | 1.1 × 10−4 ÷ 3.1 × 10−4 | - | - |
Mineral. | Content, wt.% | ||
---|---|---|---|
Copper–Nickel Sulfide Ore | Gold-Bearing Pyrite Ore | Copper–Nickel Matte | |
Qurtz SiO2 | 8.0 | - | - |
Clinochlor Mg6Si4O10(OH)8 | 3.0 | - | - |
Sericite KAl2(AlSi3O10)(OH)2 | 2.0 | - | - |
Olivine (Fe, Mg)2SiO4 | - | 0.7 | - |
Enstatite Mg2Si2O6 | - | 0.7 | - |
Dolomite CaMgCO3 | - | 1.3 | - |
Plagioclase (Na, Ca)AlSi3O8 | - | 3.3 | - |
Magnetite Fe2+Fe3+2O4 | - | 12.0 | 4.9 |
Pyrite FeS2 | 79.6 | - | - |
Troilite FeS | - | - | 72.4 |
Pyrrhotite Fe7S8 | - | 42.8 | - |
Chalcopyrite CuFeS2 | 5.1 | 20.0 | - |
Pentlandite Ni4.5Fe4.5S8 | - | 15.0 | - |
Sphalerite ZnS | 2.0 | - | - |
Bornite Cu5FeS4 | 0.1 | - | 10.1 |
Tetratenite FeNi | - | 7.0 |
σAu, N/m | σPt, N/m | σm1, N/m | σm2, N/m | σs1, N/m |
1.02 | 1.95 | 0.36 | 0.35 | 0.41 |
σs2, N/m | σm-s1, N/m | σm-s2, N/m | θAu | θPt |
0.45 | 0.11–0.14 | 0.05–0.11 | 19.5° | 24–37° |
Component | Content of Components in wt.% | |||
---|---|---|---|---|
Without CaCO3 | CaCO3 in the Amount of 10% | |||
Matte | Slag | Matte | Slag | |
Cu | 4.66 | 0.38 | 4.68 | 0.15 |
Ni | 4.28 | 0.45 | 4.39 | 0.14 |
Co | 0.11 | 0.02 | 0.11 | 0.008 |
Pt | 4.1 × 10−4 | 2.15 × 10−4 | 3.8 × 10−4 | 2.06 × 10−4 |
Au | 1.77 × 10−4 | 0.45 × 10−4 | 1.83 × 10−4 | 0.29 × 10−4 |
S | 30.5 | 4.60 | 28.7 | 1.13 |
Component | Content of Components in wt.% | |||
---|---|---|---|---|
Without CaF2 | CaF2 in the Amount of 10% | |||
Matte | Slag | Matte | Slag | |
Cu | 7.02 | 0.1 | 7.25 | 0.05 |
Ni | 4.98 | 0.03 | 5.12 | 0.01 |
Co | 0.15 | 0.005 | 0.16 | 0.002 |
Au | 13.1 × 10−4 | 0.75 × 10−4 | 13.5 × 10−4 | Not detected |
S | 29.8 | 0.41 | 30.9 | 0.34 |
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Amdur, A.M.; Fedorov, S.A.; Yurak, V.V. Transfer of Gold, Platinum and Non-Ferrous Metals from Matte to Slag by Flotation. Metals 2021, 11, 1602. https://doi.org/10.3390/met11101602
Amdur AM, Fedorov SA, Yurak VV. Transfer of Gold, Platinum and Non-Ferrous Metals from Matte to Slag by Flotation. Metals. 2021; 11(10):1602. https://doi.org/10.3390/met11101602
Chicago/Turabian StyleAmdur, Alexey M., Sergei A. Fedorov, and Vera V. Yurak. 2021. "Transfer of Gold, Platinum and Non-Ferrous Metals from Matte to Slag by Flotation" Metals 11, no. 10: 1602. https://doi.org/10.3390/met11101602