At the plant of the Consolidated Murchison Co. in the Transvaal, South Africa, where a refractory high-antimony gold ore is being treated, flotation and cyanidation of the flotation concentrates and tailings are being practiced. The association of the antimony and gold is very intimate, and during 1946, while the antimony recovery amounted to 70.6 per cent, only 62.7 per cent of the contained
Improved gold and silver extraction from a refractory antimony ore by pretreatment with alkaline sulphide leach. Turkey have indicated that the ore is refractory in character, presumably linked with the occurrence of the sulphides including zinkenite (Pb 9 Sb 22 S 42) and andorite (Sb 3 PbAgS 6) as the main silver-bearing component in the ore (and gold to a lesser extent) (Celep et al
Refractory gold ore generally refers to ore with less than 80% cyanide leaching rate. There are many reasons for refractory behavior: gold is locked within pyrite/arsenopyrite ( Zhang et al., 2016b ), carbon-containing substances exist and gold combines with arsenic, antimony and other characteristic elements ( Xing et al., 2019 ).
The clean production process for extracting antimony from refractory gold ore involves sodium sulfide leaching, pressure oxidation, concentration, and crystallization steps. First, the stibnite in the refractory gold ore reacts with sodium sulfide, and antimony is dissolved into the leaching solution in the form of sodium thioantimonite (Eq.
Antimony is a stone element with the symbol Sb (from Latin: stibium) and atomic number 51. A lustrous gray metalloid, it is found in nature mainly as the sulfide mineral stibnite (Sb 2 S 3).Antimony compounds have been known since ancient times and were powdered for use as medicine and cosmetics, often known by the Arabic name kohl. Metallic antimony was also known, but it was
Alkaline pretreatment of a refractory gold–silver ore containing antimony minerals such as stibnite, andorite (Sb 3 PbAgS 6) and zinkenite (Pb 9 Sb 22 S 42) was tested using sodium hydroxide in order to determine its effectiveness in improving the recovery of gold and silver.Mineralogical investigations show that silver was present as andorite and Au/Ag alloy.
Antimony trioxide 99.5% Sb2O3 min, cif US East Coast, $/tonne MB-SB-0008 Weekly Antimony trioxide 99.5% Sb2O3 min, fob China, $/tonne MB-SB-0006 Weekly Antimony trioxide 99.5% Sb2O3 min, in-whs Antwerp/Rotterdam, €/kg MB-SB-0009 Weekly Antimony trioxide 99.5% Sb2O3 min, in-whs Baltimore, $/lb MB-SB-0010 Weekly
01/08/2009· To avoid the adverse effects of antimony on the cyanide leaching process used for the recovery of gold from refractory gold ore, a cleaner production process was proposed that would selectively. Read more . Antimony Wikipedia. Antimony is a stone element with the symbol Sb (from Latin: stibium) and atomic number 51. A lustrous gray metalloid, it is found in nature mainly as the
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The invention relates to a method for removing antimony from refractory gold ore and preparing cubic crystal sodium pyroantimonate. The method comprises steps of leaching the antimony containing refractory gold ore in a mixed system of Na2S and NaOH, so as to dissolve the antimony into leaching agent in the form of sulfo-antimonous acid sodium, adding a precipitant into the antimony containing
Earl Pilgrim Alaska Mining Hall of Fame. The Stampede antimony deposit in the Kantishna mining district west of then Mount He insisted, however, that Earl ship out 500 tons of stibnite ore to railhead by . encountered gold recovery problems due to the clay rich pay streak there.
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Refractory Gold Ore Treatment Methods. Metallurgical ContentGold Leaching Processing of Arsenic OreMispickel (Arsenopyrite: FeAsS).6Leaching and Recovering Gold from Antimony MineralsStibnite (Antimony Sulphide, Sb2S2)Telluride Gold Ore ProcessingSolubility of TelluridesGold Extraction from Carbonaceous OreList Gold Refractory Process Methods Where gold is associated with arsenic, antimony