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refining crude antimony oxide

Production of high-grade antimony oxide from smelter slag via

2025年2月19日  Antimony oxide was precipitated from the PLS via the hydrolysis process. The product composed of 81.43% Sb, 16.23% O, and 2.34% Fe. This study aimed to investigate the recovery of antimony (Sb) from slag generated in an antimony smelting plant using leaching

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Fire Refining of Rough Antimony from Impurities for Obtaining

2022年2月1日  Results of an investigation aimed at optimizing the fire refining process for purification and extraction of antimony into a high-grade commercial metallic product are

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METHODS FOR PROCESSING OF ANTIMONY-CONTAINING

Important industrial antimony products are metallic antimony and antimony trioxide of various grades. Methods of reducing melting and sulfide-alkaline leaching of antimony sulfide

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Characterization of antimony-containing metallurgical residues for ...

2021年12月10日  This paper reports a complete characterization of three typical Sb-containing metallurgical residues, namely crude antimony trioxide, lead softening slag, and antimony

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Fire Refining of Rough Antimony from Impurities for

2022年2月1日  Results of an investigation aimed at optimizing the fire refining process for purification and extraction of antimony into a high-grade commercial metallic product are

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Efficient removal and recovery of lead from high arsenic antimony

2024年11月1日  The existence of Pb in crude antimony oxide powder(CAOP) hinders the further smelting and recovery of Sb and leads to some environmental problems. Therefore, the

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Recovery of Antimony from Refinery Slag of Unified Mining

In line 1 of antimony oxide production shown in figure 1, the operating temperature is 1000℃ for the removal of sulfur as and ob-taining the volatile “crude oxide” from a concentrate with an

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A Summary of Smelting and Secondary Recovery Process of

2025年1月29日  The wet antimony refining process can handle both simple antimony-containing feeds and complex polymetallic ores such as stibnite, jamesonite, anode slurry from the lead

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Improved Smelting and Refining Processes for Production of

Traditional smelting methods have been improved since the 1940s, but several novel achievements have been introduced in recent years. The long-established Herrenschmidt

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Characterization of antimony-containing metallurgical residues for ...

2021年12月10日  The carbothermal reduction method has been used to produce antimony metal from Sb 2 O 3-rich materials such as crude antimony oxide and antimony dust (Liu et al., 2014; Ye et al., 2019). ... PbO and FeO) are inevitable, suggesting the reduced metal will be crude antimony that needs refining to obtain pure antimony. Besides, ...

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Efficient removal and recovery of lead from high arsenic antimony oxide ...

2024年11月1日  The high arsenic crude antimony oxide powder used in the experiment is a type of CAOP that conforms to many characteristics of CAOP. The effect of leaching parameters on Pb removal from high arsenic antimony oxide powder is studied for the HNO 3 concentration, temperature, liquid-to

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Antimony: Its Metallurgy and Refining in Recent Years - OneMine

There are found in nature upward of II2 minerals containing antimony, but only a few of them, listed in Table I, can be considered as antimony ore-forming minerals. Stibnite (Sb2S3), antimony sulphide or glance, is the principal ore of antimony. The oxide ores—cervantite, kermesite, valentinite, sernarmontite—occur sparingly in nature. Dry methods are generally adopted for

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Antimony and Antimony Compounds - Grund - Wiley Online

2006年7月15日  Antimony oxide is being used as flame retardant in increasing quantities. Antimony is a component of many lead and tin alloys, which are important materials for making bearings and solders. Preparation, properties, and usage of the antimony halides, oxides, sulfides, and other compounds, as well as organometallic compounds are described.

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METHODS FOR PROCESSING OF ANTIMONY-CONTAINING

antimony sulfide concentrates to obtain metallic antimony and antimony trioxide are discussed, and methods of refining antimony from impurities are also analyzed. Keywords: antimony, compounds, minerals, raw materials, alloys. Received 01 September 2022 Accepted 18 November 2022 Journal of Chemical Technology and Metallurgy, 58, 5, 2023, 988-998

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Antimony Ore Crushing Raw Material to Refined Concentrate

2024年11月20日  2. Refining. The crude antimony from the smelting process is further refined to remove impurities. Electrolytic refining or zone refining techniques are employed, depending on the desired purity level. Environmental and Safety Considerations. Antimony processing can have environmental impacts, particularly in terms of toxic waste and emissions.

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Antimony Processing: Unlocking the Potential of a Versatile Element

2024年3月20日  Antimony is added to the lead grids of the battery to improve their mechanical strength and durability. It also contributes to the formation of a stable oxide layer on the positive plate, enhancing battery performance and lifespan. 3. Alloys. Antimony is used as an alloying element in various alloys.

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Process for the removal of arsenic, antimony, tin and other acid oxide

US3262773A - Process for the removal of arsenic, antimony, tin and other acid oxide producing impurities from copper - Google Patents Process for the removal of arsenic, antimony, tin and ... slag relative to its amount in the crude copper remains the same or is only slightly greater than in the usual thermal refining of crude copper.

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The Geopolitical Leverage of Antimony: China’s Strategic Advantage

2024年12月9日  This oxide is subsequently reduced to crude antimony through carbothermic reduction in a reverberatory furnace. The crude metal is then refined through liquation, where impurities are separated by melting, followed by further refining processes like electrolysis or vacuum distillation for high-purity applications.

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American Resources begins antimony refining - Metal Tech News

2025年1月31日  As part of its latest expansion, ReElement has received high-grade antimony ore with a concentration exceeding 50% and is developing a refining process to produce high-purity antimony(III) sulfide and antimony(III) oxide-compounds essential

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Alkaline refining of crude lead: a method of arsenic removal and

2022年1月5日  Arsenic-alkali residue is a hazardous waste produced by the refining process of crude antimony in antimony smelting, and contains highly toxic sodium arsenate and a large number of residual alkali.

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(PDF) Antimony Production and Commodites

2019年2月20日  Antimony (Sb) has a long and diverse history of applications, from a marginal use in cosmetics, pigments and pharmacology in ancient times to a drastic increase in its demand over the 20th century ...

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Development of a process for production high purity

1991年9月15日  Our process involves chlorination of commercial grade Sb metal, distillation of crude SbCl3 with 6N HCl, conversion to oxide , reduction of antimony oxide to metal with hydrogen and zone refining.

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Refining process for removing antimony from lead bullion

An improved process for refining lead bullion containing antimony, in which the bullion is initially heated in a refining vessel to about 25° F. (14° C.) above the bullion melting point, and is thereafter kept molten primarily by exothermic process reactions. The process includes the steps of melting the lead-antimony bullion, agitating the bullion, adding caustic soda and metallic

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(PDF) Removal of lead from crude antimony by using NaPO3 as

2015年1月1日  In order to solve the shortcomings when removing lead from crude antimony in the traditional antimony smelting, a new process was provided using NaPO3 as lead elimination reagent to yield ...

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Antimony - Wikipedia

Antimony can be isolated from the crude antimony sulfide by reduction with scrap iron: [64] Sb 2 S 3 + 3 Fe → 2 Sb + 3 FeS. The sulfide is converted to an oxide by roasting. The product is further purified by vaporizing the volatile antimony(III) oxide, which is recovered. [33]

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One-Step Extraction of Antimony in Low Temperature from

2016年7月7日  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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Production of high-grade antimony oxide from smelter

2024年8月24日  First, the reduction smelting of antimonial dust is carried out in an oxygen-rich bottom blow furnace to enrich antimony and lead in the crude alloy. The antimony and lead contents in the slag can ...

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A novel process for directional impurity removal and preparation

2024年1月1日  The current processes for producing high-purity antimony include electrolytic refining, chlorination-distillation-reduction, straight-pull purification, and regional smelting [10].Among these processes, the electrolytic refining method can produce 4 N antimony; however, electrolysis conditions are harsh, and the process produces the highly toxic gases AsH 3 and

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Separation of Lead from Crude Antimony by Pyro-Refining

2016年4月18日  The main purpose of this study was to separate lead from crude antimony through an oxidation pyro-refining process and by using sodium metaphosphate as a lead elimination reagent. The process parameters that will affect the refining results were optimized experimentally under controlled conditions, such as the sodium metaphosphate charging

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