About this Abstract |
| Meeting |
2026 TMS Annual Meeting & Exhibition
|
| Symposium
|
Fundamentals of Sustainable Metallurgy and Processing of Materials
|
| Presentation Title |
Investigation of Open and Closed-Circuit Lock Cycle Flotation Test for Konkola Copper Mixed Ore |
| Author(s) |
Henry Chilombo, Yotamu Hara, Wilfred Mulenga Mwenya, Cornwell Tepa, Rainford Rainford Stephen Hara, Douglas Mazwi Musowoya, Fredrick Chileshe |
| On-Site Speaker (Planned) |
Henry Chilombo |
| Abstract Scope |
Open and closed-circuit lock cycle tests were carried out on Konkola Ore on the Copperbelt region of Zambia. The ore contains 2.89 % total copper and 0.34 % acid soluble copper. Two concentrates namely sulphide and oxide were produced under closed circuit test while three concentrate namely sulphide, oxide and scavenger concentrates were produced under open circuit lock cycle. Recovery of total copper improved by 4.7 % under open circuit lock cycle test than under closed circuit lock cycle test and this is because most of the middlings (locked copper minerals) and copper silicates were recovered in the scavenger concentrates. The feed ore, three concentrates and final tailings were examined by scanning electron microscopy (SEM). The effect of regrinding at the scavenger stage was studied. The methods of treating the three concentrates is proposed for efficient extraction of copper. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Extraction and Processing, |