·Tavadze Institute of Metallurgy and Materials Science Tbilisi 0160 Georgia Abstract A new technology for integrated processing of gold bearing antimony ores has been developed in order to solve certain problems in the gold mining industry The technology based on vacuum thermal processes allows not only extraction of gold but also
·The present day industrial processing of antimony bearing materials uses sulfide alkaline leaching only [1 2] which consists of gold recovery to agglomerated cake and antimony removal to a solution for after electrolytic process and cathode antimony production This process features high energy
·The trend of the necessity to process antimony gold bearing ores has become critical According to some data [1] the part of processing of such ores is minor In Russia goldmining companies
However gold antimony ores often exhibit a refractory behavior due to the association of gold with sulfides such as antimonite Sb 2 S 3 A comprehensive technological flowchart was developed for the initial processing of the gold antimony concentrate from the Olimpiadinskoe deposit The flowchart comprised two distinct processes
·FIELD hydrometallurgy SUBSTANCE invention relates to the hydrometallurgy of non ferrous metals for the processing of sulfide antimony gold containing concentrates The method includes sulfide alkaline leaching of the concentrate which is carried out in two stages in a countercurrent mode The first stage of leaching is carried out with a lack of 40 90% in the
·Gold is a strategic precious metal which can be widely used in gold ornaments currency reserves and high tech industries According to United States Geological Survey USGS the amount of identified gold is 89 000 tons in the world while a third of which is contained in the refractory ores [] With the gradual depletion of the high grade resources
·A wet chemical process was developed for the separation of gold from gold bearing antimony sulphide ores The ore sample was taken from the mine Urquidi from Oruro in Bolivia It contained roughly 33% Sb in the form of antimonite 24% Si in the form of quartz small quantities of Pb Fe Cu and Ni as well as 63 g/t gold 60% of it as visible gold
The product of gold antimony ore processing is a bulk gold antimony concentrate Antimony concentrate is produced by separating the bulk gold sulfide concentrate as flotation froth Bulk selective flotation is used for processing of arsenic antimony ores In this process all sulfides are extracted in the concentrate
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