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Gold Flotation Mineral Processing Metallurgy
GOLD FLOTATION The flotation process which is today so extensively used for the concentration of basemetal sulphide ores and is finding increased use in many other fields In 1932 flotation plants began to be installed for the treatment of gold and silver ores as
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The copper minerals and waste rock are separated at the mill using froth flotation The copper ore slurry from the grinding mills is mixed with milk of lime simply water and groundup limestone to give a basic pH pine oil yes it comes from trees a byproduct of paper mills to make bubbles an alcohol to strengthen the bubbles
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B Processing of Sulfide Ore Sulfide ores are generally processed using pyrometallurgy the extraction and purification of metals by processes involving the application of heat This process uses a series of physical steps and high temperatures to extract and purify copper from copper sulfide ores in four basic steps 1 froth flotation 2 thickening 3 smelting and 4 electrolysis
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Feb 16 2018· In froth floatation process advantage is taken of prefferential wetting of ore particles by oil and gangue particles by water Pine oil or eucalyptus oil has tendency to wet metal sulphides Thus sulphide ore is present in oily froth whereas gangue particles settle at the bottomand hence fuller concentration is achieved
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Froth Flotation Method for Sulphide Ores Partial success for ultimate analytical control was obtained by the use of such devices as magnetic separators intricate gravity separations which were low in capacity and close control of the feed entering the concentrators This latter resulted in economic waste
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This froth flotation method is used to treat quartz sulfide ores or goldsilverbearing pyrite and pyrrhotite containing gold telluride pyrrhotite chalcopyrite and other sulfide minerals The floatable gold telluride in the ores is first produced as a concentrate and then roasted and cyanided to expose gold and silver ores in sulfides and tellurides
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Various process chemicals are used in the frothflotation of metallic ore of uranium copper zinc lead and iron The flotation chemicals are mainly Isooctyl Acid Phosphate Sodium Isopropyl Xanthate and Potassium Amyl Xanthate as conditioner and collector MIBC as frothers and sodium cyanide and copper sulfate as depressors
learn moreExplain the froth floatation process askIITians
This process is called concentration of ore The principle of froth flotation process is that sulphide ores are preferentially wetted by the pine oil whereas the gangue particles are wetted by the water In this process a suspension of a powdered ore is made with water In this process a suspension of a powdered ore is made with water
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The flotation process for the concentration of ores is a method by means of which one or more of the minerals in the ore usually the valuable ones are picked up by means of a liquid film and floated at the surface of a mass of fluid pulp Here they are separated from the other minerals which remain immersed in the body of the pulp
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Froth Floatation Process This method is used for concentration of sulphide ores of copper lead and zinc In this method powdered ore is put in a tank full of water And then some Pine oil is added to it In the tank the particles of sulphide ore are wetted by pine oil whereas the gangue particles are wetted bywater
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Only sulphide ores are concentrated by froth flotation process because pine oil selectively wets the sulphide ore and hence brings it to the froth This method is usedfor that metals whose ore gets preferably wetted by the oil and the gangue by the water
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1 Froth Flotation – Fundamental Principles Froth flotation is a highly versatile method for physically separating particles based on differences in the ability of air bubbles to selectively adhere to specific mineral surfaces in a mineralwater slurry
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Froth Flotation is the single most important operation used for the recovery and upgrading of sulphide ore Only sulphide ores are concentrated by froth flotation process because pine oil selectively wets the sulphide ore and hence brings it to the froth Hope it helps you
learn moreFroth Floatation Process Fun Science
Froth Floatation Process This method is used for concentration of sulphide ores of copper lead and zinc In this method powdered ore is put in a tank full of water And then some Pine oil is added to it In the tank the particles of sulphide ore are wetted by pine oil
learn moreCopper extraction Wikipedia
Concentration For sulfide ores both secondary supergene and primary hypogene froth flotation is used to physically separate ore from gangue For special native copper bearing ore bodies or sections of ore bodies rich in supergene native copper this mineral can be recovered by a simple gravity circuit
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