·1 Crushing and Grinding Crushing and fine grinding the gold bearing ore into the appropriate particle size for better separation of gold in the subsequent flotation process 2 Flotation The finely ground ore slurry is mixed with a flotation agent The flotation agent type and amount will be selected according to the specific ore properties
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·Table 1 Grade/recovery performance of a hypothetical copper ore flotation process Product % Weight % Cu Assay Feed 100 Concentrate 10 Tailings 90 a From Table 1 the Ratio of Concentration can be calculated as F/C = 100/10 = 10 If only assays are available the ratio of concentration equals 20 / = 10
·where r p Radius of mineral particles; r b Radius of bubbles As seen from Formula collision is affected by the mineral size and the bubble size and is proportional to the mineral larger the mineral size is the greater the inertia force is and the greater the contact probability is; collision is in inverse proportion to the square of the bubble size
·If on the other hand flotation is to be attempted with but little agitation intervening following the introduction of the oil a mobile and relatively soluble oil must be used The quantity of oil necessary in any froth flotation operation depends upon the kind of oil used; the recoverable mineral content of the ore;
6 ·Spiral classifiers are the main classification equipment for various mineral processing plant It is mainly used for ore classification separation screening desliming and dewatering in sand washing operations The spiral centrifugal classifier has the advantages of strong continuous operation large processing capacity low energy consumption per unit output and convenient
4 ·Replacement wear resistant lining long service life convenient maintenance Compact structure lightweight small size for the same production capacity requirements of the crushing system equipped with a roller crusher can significantly save investment The width of the discharge opening can be adjusted to determine the crushed material size
Double roller crusher Jaw crusher Spring cone crusher Hydraulic cone crusher Symons cone crusher Impact crusher VSI crusher Hammer crusher Circular vibrating screen characteristics and efficiency of the flotation machine From the view of the process of flotation flotation machine should have the following functions 1 so that the pulp is
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