The spiral concentrator, with the trough profile of cubic parabola in inner place and the ellipse in outer place, is more desirable to separate the coal slime used in this paper.
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Get PriceCost analysis (mining costs/ transportation costs and port charges etc.); .. a nominal capacity of 0.6Mtpa is used to beneficiate the metallurgical coal supplied from the . Coal for exports is produced from dense medium cyclones and spirals.
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