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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 remove antimony as sodium pyroantimonate. The process included three steps: 1) leaching of antimony from the refractory gold ore with sodium …
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As of 31 December 2019, of Australia's Ore Reserves of antimony are attributable to the Costerfield mine in Victoria (Table 2). Costerfield produces antimony as a by-product to gold and is Australia's only antimony producer. Ore Reserves were down 73% from 2018 levels owing to reclassification of the Hillgrove deposit in New South Wales.
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To eliminate the adverse effect of antimony on extracting of gold in matte smelting process from Sb-bearing refractory gold ores, the sodium sulfide leaching …
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Saturated vapor pressure and separation coefficients (β) were used to qualitatively analyze the possibility of separating elements from noble antimony, while vapor–liquid equilibrium (VLE ...
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Gold mining is still very topical. Interest in gold mining is growing in many countries, while it has a major impact on the environment. The mining, recovery, processing, and extraction of gold-bearing ores cause the large consumption of dangerous chemicals and the generation of waste containing heavy metals, which are released in …
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tural separation of gold and antimony mineralization, confining them to the different stages of mineraliza ... Boko–Vasilyevskoe ore field, 22—Daubai–Ashalinskoe ore field, 23—Sentash, 24—Balazhal, 25—Kuludzhun, 26—Saerbu lak (PRC). 160 GEOLOGY OF ORE DEPOSITS Vol. 57 No. 3 2015
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The removal rate of antimony in the most concentrated area of the condensate was 91.37% under the optimal conditions of 748 K, 60 min, and 10 Pa. Thus, the proposed method effectively solves the challenging problem of separating arsenic and antimony, and the study results provide theoretical support for purifying arsenic via …
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Antimony, a toxic metalloid similar to arsenic, is present at variable levels in most gold-bearing rocks. Antimony is soluble in the surface environment, so antimony …
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Process flow-sheet for gold and antimony recovery from stibnite. Hydrometallurgy (2000) ... The separation of arsenic and other valuable metals in leachate is the most difficult and critical section of the process, ... This study takes a silver-containing gold ore as the research object and investigates the effect of (i) sodium sulfite as an ...
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Gold can be concentrated and recovered by applying different gold refining process methods and the final product has variable quality. In this way, it is necessary to have a better marketable product so that the incomes can be improved. Then, we have two smelt and cast the gold into bars called bullion or Dore.
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In this process, the ore is leached in sodium hydroxide solution for antimony and gold separation, the resultant antimony leaching solution (antimony electrolyte) is …
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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 …
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High-pressure oxidation comprises the oxidisation of sulphide/carbonaceous gold ore at high pressure and temperature. Temperatures exceeding 200 °C and oxygen pressures above 2200 kPa are used to attain complete oxidation of the gold-bearing ore. Reaction rates can be very fast, and the technology is widely-accepted.
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This study aimed to introduce a comprehensive process for separating and recovering antimony from a complex stibnite concentrate. Antimony is first leached through a chlorination–oxidation procedure to obtain SbCl 3 solution. Antimony is then recovered in the forms of cubic crystal Sb 2 O 3 (99.9%), high-purity cathode antimony …
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The technology of concentration of the sulfide antimony-arsenic gold-bearing ore containing 3.6 g/tn Au, 0.3% Sb, and 0.4% As is developed. This technology implies the flotation separation of antimonite and arsenopyrite into separate products and allows them to perform in various cycles, increasing production efficiency due to a …
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Antimony has become an increasingly critical element in recent years, due to a surge in industrial demand and the Chinese domination of primary production. Antimony is produced from stibnite ore (Sb2O3) which is processed into antimony metal and antimony oxide (Sb2O3). The industrial importance of antimony is mainly derived from …
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Electrodeposited antimony can be treated with sulfuration–volatilization technology, which causes antimony to volatilize in the form of antimony sulfide. During this process, gold is enriched in …
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Gold and antimony are associated in a number of gold ores with resulting complications in the gold extraction process. The principal mineralogical forms, in which gold occurs in these ores are metallic gold, free-milling, or associated with silicate gangue, as metallic gold associated with stibnite [Sb 2 S 3] will be seen from the processes used …
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DOI: 10.1016/J.HYDROMET.2019.04.026 Corpus ID: 150110101; Extracting antimony from high arsenic and gold-containing stibnite ore using slurry electrolysis @article{Yonglu2019ExtractingAF, title={Extracting antimony from high arsenic and gold-containing stibnite ore using slurry electrolysis}, author={Zhang Yonglu and Chengya …
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DOI: 10.1016/J.HYDROMET.2017.03.014 Corpus ID: 99624322; A selective process for extracting antimony from refractory gold ore @article{Yang2017ASP, title={A selective process for extracting antimony from refractory gold ore}, author={Tian-zu Yang and Rao Shuai and Wei-feng Liu and Duchao Zhang and Chen Lin}, journal={Hydrometallurgy}, …
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For ores containing small amounts of antimony with the gold present in a nonoccluded form, preaeration combined with lead nitrate additions and alkalinity control …
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This study investigated the leaching and electrowinning of antimony from a complex, high arsenic and gold-containing stibnite concentrate ore (As-Au-Sb ore) using …
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DOI: 10.1016/J.RNREC.2020.105388 Corpus ID: 233062735; Selective extraction of arsenic and antimony from gold-bearing sludge using two-stage alkaline leaching @article{Wang2021SelectiveEO, title={Selective extraction of arsenic and antimony from gold-bearing sludge using two-stage alkaline leaching}, …
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The commercial route to extraction antimony from the antimony -gold ore to further separating antimony and gold involves alkaline leaching—electrowinning process [3,4,5,6]. In this process, the ore is leached in sodium hydroxide solution for antimony and gold separation, the resultant antimony leaching solution (antimony electrolyte) is ...
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Improved gold and silver extraction from a refractory antimony ore by pretreatment with alkaline sulphide leach Oktay Celep, İbrahim Alp⁎, Hacı Deveci Department of Mining Engineering ...
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The export of gold-antimony smelting and separation technology without permission. This follows previous restrictions on critical minerals exports by China, like the export of technology to make rare earth magnets in December 2023 .
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DOI: 10.1016/j.oregeorev.2023.105397 Corpus ID: 257654792; Gold, antimony and mercury ore formation and metallogenic link in the Sandu-Danzhai area, Jiangnan Orogen, SW China @article{Chen2023GoldAA, title={Gold, antimony and mercury ore formation and metallogenic link in the Sandu-Danzhai area, Jiangnan Orogen, SW China}, …
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1 1 Gold and antimony metallogenic relations and ore-forming process of 2 Qinglong Sb(Au) deposit in Youjiang basin, SW China: Sulfide trace 3 elements and sulfur isotopes 4 Jun Chena, Zhi-Long ...
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A variety of methods are encompassed in treatment plants such as adsorption, membrane separation, and aluminum/iron ... or rejected to the tails (depressed). Aside from antimony ore grade, this decision falls on the mineral's association with other metals, for e.g. lead, copper, iron, mercury, arsenic, silver and gold, as well …
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DOI: 10.1016/J.CHERD.2020.09.029 Corpus ID: 224863309; Leaching Kinetics of Antimony from Refractory Gold Ore in Alkaline Sodium Sulfide under Ultrasound @article{Hu2020LeachingKO, title={Leaching Kinetics of Antimony from Refractory Gold Ore in Alkaline Sodium Sulfide under Ultrasound}, author={Yuting Hu and Ping Guo and …
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