期刊
出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/25726641.2019.1669982
关键词
Dense media cyclone; dense media separation; preconcentration; gold; mineral beneficiation; amenability to gangue rejection; gold processing; gold ore characteristics
资金
- Curtin University of Technology
- CRC ORE [2018]
- Amira [P420F]
The dense media cyclone (DMC) has had wide application in beneficiation of coal, iron ore, diamonds and base metals, with limited applications in preconcentrating precious metals such as gold. This paper reports and discusses data from experimental evaluations of the DMC for preconcentrating gold ores. Two ore types were tested in the particle size range from 0.3 mm to 4.75 mm which was considered a pumpable size range. A DMC with a diameter of 100 mm was used to separate the gold ores at separation densities ranging from 2.55 g/cm(3) to 2.95 g/cm(3). Evaluation of the data confirms the potential of the DMC for gold ore preconcentration, with some ores being more amenable to gangue rejection than others. An optimum density of separation is required for a given type of ore in order to achieve balance between overall mass rejected and gold recovery.
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