how much it cost to establish a ball mill gold ore plant in india

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However, when the ore is concentrated, the particles can then be reground (and the gold liberated) at a relatively low cost. When grinding ores, artisanal miners rarely use classifiion (screens or cyclones) which can improve grinding efficiency. It is common to find miners believing that a circulating load in a ball mill is a bad practice.

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Common & Basic Formulas for Mineral Processing Calculations

2020513&ensp·&ensp0 = tonnage of ore in overflow. S = tonnage of sand. M = tonnage of ore in mill discharge. and Ds, Do, and Dm are the liquidtosolid ratios of the sand, overflow, and classifier feed at the points where they leave or enter the classifier. Then circulating load ratio = (DoDm)/ (DmDs) (8) And circulating load tonnage = F (DoDm)/ (DmDs) (9)

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2020515&ensp·&enspProcessing, smelting and refining gold. With ores of higher gold content (greater than 20 grams of gold per tonne of ore), cyanidation is accomplished by vat leaching, which involves holding a slurry of ore and solvent in large tanks equipped with agitators.

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Ball Mill Design/Power Calculation

2020515&ensp·&enspA motor with around 1400 Horse Power is calculated needed for the designed task. Now we much select a Ball Mill that will draw this power.. The ball mill motor power requirement calculated above as 1400 HP is the power that must be applied at the mill drive in order to grind the tonnage of feed from one size distribution. The following shows how the size or select the matching mill required to

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