Abstract
The Multi-Gravity Separator (MGS), a new fine-particle gravity equipment that has recently appeared on the market, was tested in order to evaluate its potential. In the first instance, the influence of its different operating parameters on the quality of gravity separation were studied using a synthetic ore. This revealed the dominating role of three parameters: speed of rotation, shake frequency and shake amplitude. The MGS was then tested with a natural tungsten ore, which corroborated the results obtained with the synthetic ore. Finally, in order to assess the contribution that this new equipment represents in relation to other types of gravity separator, a comparative performance study was made between the MGS and a Fines table.
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