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Flowsheet development for the Kamoa project - A case study

delete2013-10-01
delete7
PRE
AI
N
N.O. Lotter *
J
João Fernando Gomes de Oliveira
A
A.L. Hannaford
S
S.R. Amos
DOI:10.1016/j.mineng.2013.02.014delete
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摘要

摘要

En 中文
Ivanplats Ltd. appointed Xstrata Process Support to perform the flowsheeting development work for their hypogene and supergene geomet units of the Kamoa Copper deposit, located west of Kolwezi in the Democratic Republic of the Congo. Through appropriate use of Gy's sampling and subsampling models, and systematic flowsheet development using modern Process Mineralogy, an optimised Milestone Flowsheet was developed, delivering a final concentrate grade of 32.8% Cu at 85.4% recovery with hypogene ore, and 45.1% Cu grade at a recovery of 83.4% for supergene ore. These results were obtained from representative samples of drill-core, quantitative mineralogy and high-confidence flotation testing. The significant value of this development is that a single flowsheet will treat both hypogene and supergene ores and produce treatable concentrates. Further work to advance the flowsheet performance beyond this milestone benchmark, and to perform variability testing for this resource, has been identified for investigation in the near future. (C) 2013 Elsevier Ltd. All rights reserved.
Keyword:
Hypogene
Supergene
Process mineralogy
Sampling
Flotation testing
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期刊

Minerals Engineering 封面图
Minerals Engineering
IF:
5
论文数:
8.5K
被引数:
2.6W

机构

G
glencore xstrata
学者数:
26
论文数: 25
被引数: 0
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