A process for smelting and separating antimony from gold includes the following steps: feeding auriferous oxygen powder obtained from a blast furnace by volatilization smelting into a reverberator, obtaining auriferous refined antimony by reduction smelting at a temperature of 800 to 1000 degrees centigrade, adding the auriferous refined antimony into an antimony white …
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Antimony is commonly obtained by smelting antimony ores and recovery from certain secondary sources. Two main methods are used to obtain antimony ore: …
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Semantic Scholar extracted view of "A Summary of Smelting and Secondary Recovery Process of Antimony" by Kai Liang et al. Skip to search form Skip to main content Skip ... {Liang2025ASO, title={A Summary of Smelting and Secondary Recovery Process of Antimony}, author={Kai Liang and Bao-zhong Ma and Yarui An and Yang Zhang and Yongqiang Chen and ...
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Antimony sulfide (Sb 2 S 3) concentrate is the main source for the production of antimony oxides and metallic antimony.Few researches have focused on preparing Sb 2 O 3 crystals and Sb 2 O 3 nanomaterials from minerals directly. In this research, a clean, short, direct preparation of Sb 2 O 3 crystals and nanomaterials via microwave oxidation roasting using …
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Antimony (Sb) is a troublesome impurity in the tin (Sn) smelting process. Generally, the Sb content in a Sn concentrate is 0.01–0.5%, and approximately 95% Sb is mixed with crude Sn after reduction and smelting [1,2].
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Antimony smelting is done through the pyrometallurgical process or the hydrometallurgical process, but mostly the pyrometallurgical process. This is mostly the …
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The experiment successfully mapped the distribution of elements throughout the process, and the results indicated that the separation of bismuth from arsenic and antimony was achieved during the oxidation smelting process, and that the recovery rate …
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When the smelting process is complete, the charge is poured into a mold. Once the slag is cool, this can be separate from lead and precious metals by using a hammer or any device than can break the slag. The metallic product is named button and have to be processed in the other smelting process called cupellation.
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The industry currently relies on the 'Blast furnace oxidation volatilization—Radiation furnace reduction smelting' process for antimony extraction . However, this method is characterized by high energy consumption and significant pollution due to low-concentration SO 2 emissions [16, 20]. As a result, the development of low-carbon and ...
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Antimony is classified as a critical/strategic metal. Its primary production is predominated by China via pyrometallurgical routes such as volatilization roasting—reduction …
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Antimony is one of the most deleterious impurity elements in copper smelting and has a strong tendency to vaporize in the smelting furnace resulting in an enrichment of antimony in smelter flue dusts. The vaporization and condensation behavior of antimony species was studied in dust-free conditions simulating the off-gas train of a Flash Smelting Furnace at …
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Antimony is primarily produced from sulfide ores. It can be also obtained from oxidized ores. The process mainly used is based on sulfide concentrates roasting, which is then followed by …
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Electrolysis, or electrolytic refining, is a technique that is already in use for the extraction and purification of metals, and it is a much more cost-effective and efficient technique than traditional heat-based smelting methods. Indeed, it was the discovery of the Hall-Héroult electrolytic process more than a hundred …
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Antimony smelting arsenic-alkali residue is an arsenic-containing waste residue produced in the refining process of crude antimony by adding alkali to remove arsenic, and its main components are sodium carbonate and sodium arsenate (Guo et al., 2014; Long et al., 2020).Our previous study has disposed of arsenic-alkali residue through leaching, …
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Abstract: A new process for one-step extraction of antimony in low temperature from stibnite concentrate by reductive sulfur-fixation smelting in sodium molten salt, using iron oxide as ... process, the smelting temperature of present process is reduced from 1150–1200 C (1423–1473 K) to 850–900 C (1123–1173 K). ...
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3.3 Improvement of the Antimony Recovery Process in the Anode Slime Treatment Plant. The antimony transferred to the anode slime was separated as the antimony intermediate from the anode slime treatment process. It was fed to the smelting process because it contains selenium and tellurium.
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It brings technological challenges to the antimony smelting and purification process. Moreover, the generation of arsenic-containing pollutants in this process is a major environmental problem. Therefore, it is essential to clarify the distribution behavior of arsenic in the smelting process to realize the clean production of antimony.
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Stibnite (Sb₂S₃) is the main mineral in antimony sulfide ore, mainly distributed in Hunan. It is the main source of extracting metallic antimony and is widely used in flame retardants, alloy materials, ammunition and other fields. It is lead gray, has a metallic luster, low hardness, and is easy to crush and grind.Antimony sulfide ore is usually associated with other …
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Oxygen Side-Blown Smelting Process. A domestic antimony smelting plant adopts a side-blown furnace for oxygen-enriched smelting, and the schematic of the oxygen side-blown antimony smelting process is shown in Fig. 2.The molten pool depth is 1100 ~ 2500 mm, and the oxygen lances are installed at the side of the furnace to blow oxygen and natural gas into the molten …
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The smelting process that reduces antimony content in slag is: at first be to go into reverberatory furnace after raw material is measured, prepares burden, stirs to smelt, carry out slag making then, the catalyzer of adding 3～8% in the time of slag making, make catalyzer and other material in antimony regulus produce chemical reaction, promote slag antimony to separate, carry out …
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The removal of antimony from antimony dust captured during the direct lead smelting process has been studied by Liu et al. They proposed a pyrometallurgical process based on reduction smelting, alkaline refining, and oxidation to extract antimony from antimony dust and produce Sb 2 O 3 with a purity above 99.8 % .
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There are two main types of modern antimony production methods—pyrometallurgy and hydrometallurgy [1,2,3].At present, the former is the main. The vast majority of antimony smelting enterprises have been using the traditional blast furnace volatile–reverberatory furnace reduction process, which is of low environmental protection, …
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To treat antimony input increase, antimony recovery process was installed in Kosaka Smelting and Refining. In the lead refining division, the limit of antimony grade in lead anodes was raised from 2.0% to 4.2% by enhancing removal and washing capabilities for …
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This article investigates the behavior of tin and antimony, both commonly present as trace elements in electrical and electronic waste, in secondary (i.e., sulfur-free) copper smelting conditions. The experiments were conducted in oxygen partial pressure range of 10−10–10−5 atm, covering the different process steps in copper smelting.
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Antimony comes into the environment through both geogenic and anthropogenic means, such as weathering of rocks containing antimony, antimony mining and smelting activities, combustion of coal and also through the use of various products containing antimony (He et al., 2019). Antimony and the compounds containing antimony had been classified as ...
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The main purpose of this study is to characterize and separate antimony from a stibnite concentrate through a low-temperature sulfur-fixing smelting process. This article reports on a study conducted on the optimization of process parameters, such as flux and zinc oxide weight percentage, in charging, smelting temperature, smelting duration on the antimony yield, …
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The smelting process also shows that there is a proportional relationship between the contents of antimony and gold in antimony-ferrous matte. Therefore, the direct smelting process of refractory gold ores was proposed, during which the refractory gold ores are mixed with fluxes and melted directly to enrich gold in ferrous matte, and then gold ...
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The four wastes generated in the antimony smelting process exhibited specific chemical composition. Present in the amorphous phases, the metal constituents in WQS were primarily composed of Si, Fe, and Ca. With the presence of species such as CaSO 4 ·2H 2 O and CaSO 3 ·0.5H 2 O, a large quantity of CaO and SO 2 was incorporated into DS.
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A new process for one-step extraction of antimony in low temperature from stibnite concentrate by reductive sulfur-fixation smelting in sodium molten salt, using iron oxide as sulfur-fixing agent, was presented. The influences of molten salt addition and composition, ferric oxide dosage, smelting temperature and duration on extraction efficiency of antimony were …
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These techniques involve processes like smelting, leaching, or hydrometallurgical methods to extract antimony from the secondary sources and refine it into usable forms. By employing refining techniques, impurities are …
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