Journal
MINERALS ENGINEERING
Volume 79, Issue -, Pages 306-314Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.mineng.2015.03.022
Keywords
Ore upgrading; Pre-concentration; High voltage pulses; Electrical comminution
Funding
- Newcrest Mining
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A novel ore pre-concentration technique using high voltage pulses is proposed in this study. The technique utilises metalliferous grain-induced selective breakage, under a controlled pulse energy loading, and size-based screening to separate the feed ore into body breakage and surface breakage products for splitting of ores by grade. Four copper ore samples were tested to demonstrate the viability of this technique. This study consists of two parts: Part 1 presents the principle, the validation and the major findings; Part 2 discusses the new opportunities and challenges for the mining and mineral industry to take up this technique. (C) 2015 Elsevier Ltd. All rights reserved.
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