GOLD MINING

Effect Of Sludge To Flotation Recovery Of Copper

Fine particle flotation processseparating sludge with a

When used for the flotation of fine cassiterite electrolytic hydrogen bubble flotation is used alone and the recovery rate is Compared with conventional flotation it is significantly improved from 35.5% to 79.5% while the grade is increased by 0.8%.THE EFFECT OF COPPER SULPHATE ON FROTH STABILITYwas used as a measure of hydrophobicity which was directly linked to the flotation recovery. The adsorption of reagents onto the mineral surfaces was confirmed by the use of zeta potential and ethylenediaminetetraacetic acid EDTA extraction of 4.3.6 Effect of copper sulphate on the zeta potential of pure minerals .. 79 Activation The effect of degree of liberation on copper recovery from Copper recovery in concentrates at pH 12 was slightly less but copper grades were much higher. The effect of grinding was higher at pH 12 especially in terms of copper grades in concentrates which declined with the increase of grinding time.Copper recovery from thickener overflow by The electrocoagulation/flotation process is a novel approach in mining industry that is implemented to return Cu metal to the production cycle which improves copper recovery and reduces waste water. In this research work the response surface methodology was applied to optimize the factors effective in Cu metal recovery and sludge volume produced from thickener overflow.

The effect of clay minerals on the process of flotation of

Effect of clay minerals concentration on copper recovery empty symbols and apparent viscosity solid points of flotation pulp: snobrite circle kaolinite triangle bentonite square Effect of grinding time on flotation recovery of copper Copper smelting slags are hard materials. Thereforeto recover their copper by flotation method grinding should be carried out to obtain optimal particle size. Copper smelting slags in the Bardeskan district with work index of 16.24 kwh/st were grinded for 65 minutes to reach an acceptable degree of freedom for the flotation tests with particle size of 80% smaller than 70 μm.The effect of grinding conditions on the flotation of a The grinding conditions affect significantly the subsequent flotation stage of this sulphide copper ore. The presence of iron ions in the slurry is deleterious to the flotation of copper minerals and may be avoided by the utilisation of lined mills and non-ferrous or corrosion resistant grinding media such as stainless steel or pebbles.Study of Flotation Parameters for Copper Recovery from The major feature of tennantite minerology in such deposits is isomorphism effecting on flotation properties. Studies conducted to evaluate the effect of particle size pH flotation time collector type and addition on efficiency of tennantite flotation showed that maximum copper recovery of 953% was obtained at pH 12.3 by lime.