COMMINUTION
Glencore Technology ’ s IsaMill is the world ’ s only horizontal fine grinding mill
mineralogy allows it , we ’ re using an air classifier like an ‘ ore sorter ’. Since multiple material streams can be generated , this can be combined with pre-concentration – like magnetic separation or coarse particle flotation – and gangue rejection in a single classification system . Or , alternatively , it can create a stream of sellable byproduct alongside the main targeted minerals without additional pre-concentration .”
With these solutions having generated a lot of attention from the mining community , Dierx believes it won ’ t be long before they are being deployed in the field .
Stirring it up
Since its introduction in the late 1990s , the IsaMill™ has transformed mineral processing by achieving ultra-fine grind sizes below 10 μm , unlocking previously untreatable orebodies , Glencore Technology says .
By the mid-2000s , advancements in ceramic media enabled the IsaMill to handle coarser feeds ( up to 400 μm F80 ) using 6 mm media . With the recent availability of larger media (> 6 mm ), Glencore Technology says it is now exploring further applications for the IsaMill . This includes the recent introduction of high-capacity stirred mills ( up to 12.5 MW ).
The world ’ s only horizontal fine grinding mill delivers unmatched power intensity compared with ball and tower mills , according to the company , which has been proven out with realworld applications in more than 150 metalliferous mines across 23 countries .
Designed for compactness and efficiency , the IsaMill is about a third of the height and weight of comparable mills , requiring minimal concrete and steel . Its open-circuit configuration ensures a narrow product distribution , while its horizontal slurry flow allows for the use of low-cost ceramic media , eliminating the limitations of vertical mills . Engineered for ease of operation and high availability , the IsaMill offers rapid and accurate scale-up , making it a predictable and reliable choice for operations , Glencore Technology says .
With safety and reliability at its core , the IsaMill is quick to install , simple to maintain and widely used in base metals , PGMs , iron ore , gold
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