One-Step Extraction of Antimony in Low Temperature from Stibnite …
Flow sheet of reductive sulfur‐fixing smelting of stibnite concentrate for one‐step extraction of antimony in low temperature. …
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Separation of Antimony from a Stibnite Concentrate …
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 …
WhatsApp: +86 18221755073
Separation antimony from stibnite concentrate through a
In 2012, a low-temperature molten salt smelting process which can directly produce antimony from its ore was proposed (Ye et al., 2012), and under the optimum conditions, the …
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One-Step Extraction of Antimony in Low Temperature …
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 …
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Technological trends, emerging applications and metallurgical
Soda ash as a flux and charcoal were used to extract antimony from stibnite ore (Sb 2 S 3) at 900 °C in 2H. 81.10%: ... The Sb recovery in this one step smelting process reached 92.88% with lower energy consumption and elimination of SO 2, since the sulfur was fixed to Zn to form ZnS (Ye et al., 2015).
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Separation of Antimony from a Stibnite Concentrate …
Reportedly, volatilization smelting in BFs and reduction smelting of the produced ATO in reverberatory furnaces have been the pyrometallurgical route for the production of >90% of total antimony ...
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Extracting antimony from high arsenic and gold-containing stibnite ore
Study and application on new technology of oxygen-enriched air smelting of antimony smelting blast furnace
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Antimony
Antimony is mined as a principal product or as a byproduct of the smelting of base-metal ores in 15 countries, which includes the United States (Montana, New Jersey, and Texas). ... is derived from the Latin word stibium, which was the name of the most common antimony mineral, stibnite. Sources. Antimony rarely occurs in its native metallic ...
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Extraction Process of Antimony from Stibnite by …
A new pyrometallurgical process to extract antimony from stibnite concentrate was proposed. Thermodynamic analysis of extraction process was conducted.
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Analysis of Antimony Sulfide Oxidation Mechanism in …
The phase transformation mechanism of antimony sulfide in the oxygen-enriched smelting system was investigated. The standard Gibbs free energy change (ΔGθ) of reactions in the smelting system at 100 ~ 1400°C were calculated, indicating that the reaction between Sb2S3 and oxygen was liable to occur first, and that the high-valent antimony oxide decomposed at …
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Separation of Antimony from a Stibnite Concentrate …
The main purpose of this study is to characterize and separate antimony from a stibnite concentrate through a low-temperature sulfur-fixing smelting process.
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Separation of Antimony from a Stibnite Concentrate …
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, resultant crude antimony grade, and sulfur-fixing rate.
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Separation of Antimony from a Stibnite Concentrate …
The results of the influence of the smelting temperature on the recovery of antimony and on the resultant crude antimony grade are presented in Table IV. All experiments were carried out under a charging composition of 63.20 wt pct flux and 21.30 wt pct of stibnite with smelting for …
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One-Step Extraction of Antimony in Low …
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.
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Metallic antimony preparation by carbothermic reduction of stibnite …
In the process, high-grade stibnite is concentrated by blast furnace volatilization smelting to obtain high purity antimony trioxide, then the collected antimony oxide powder is placed in a reverberatory furnace for the reduction smelting preparation of antimony metal.
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One-Step Extraction of Antimony in Low Temperature from Stibnite …
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 ...
WhatsApp: +86 18221755073
One-Step Extraction of Antimony in Low Temperature …
Keywords: stibnite concentrate; extraction of antimony; reductive sulfur-fixing smelting; low-temperature; molten sodium salt 1. Introduction China has abundant reserves of antimony resource and it's also the largest producer of antimony in the world. Generally, the technologies for producing antimony mainly comprise
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Production of antimony by directly reducing-matting smelting of
A rapid and simple process has been developed for the recovery of antimony metal from stibnite ore of Kharan area (Balochistan) of Pakistan. The ore was characterized by X-ray diffraction (XRD ...
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Separation antimony from stibnite concentrate through a
The main purpose of this study is to characterize and separate antimony from a stibnite concentrate through a low-temperature sulfur-fixing smelting process.
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Antimony Recovery from End-of-Life Products and Industrial …
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 its use as flame …
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Extraction Process of Antimony from Stibnite by Electrothermal
A new pyrometallurgical process to extract antimony from stibnite concentrate was proposed. Thermodynamic analysis of extraction process was conducted.
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Metallic antimony preparation by carbothermic reduction of …
In the process, high-grade stibnite is concentrated by blast furnace volatilization smelting to obtain high purity antimony trioxide, then the collected antimony oxide powder is …
WhatsApp: +86 18221755073
Separation of Antimony from a Stibnite Concentrate …
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 …
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Study on the leaching behavior of antimony in stibnite …
In order to investigate the release process of antimony from stibnite under the leaching effect of rain and snow in Hunan Xikuangshan(XKS) mining area, some important environmental factors are selected: dissolved oxygen, Fe(III) and Pseudomonas sp. AO-1 (referred to as AO-1). The one-factor batch sequence experimental method is adopted to …
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Reducing and sulfur-fixing smelting of stibnite to produce antimony …
In the views of the shortcomings in the current antimony smelting process which are high energy consumption and a long flow, a new process was proposed to smelt antimony directly from stibnite by ...
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One-Step Extraction of Antimony in Low Temperature …
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 sulfur-fixing agent, was presented.
WhatsApp: +86 18221755073
Separation of Antimony from a Stibnite Concentrate …
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...
WhatsApp: +86 18221755073
One-Step Extraction of Antimony in Low Temperature from …
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 …
WhatsApp: +86 18221755073
A New Pyrometallurgical Process for Producing Antimony …
The antimony mineral resources of China mainly consist of stibnite, antimony-gold ore, and jamesonite, which accounts for 52%, 15%, and 25% of antimony production in 2010. A by-product from lead smelting—antimonial dust, which contains antimony, lead, bismuth, copper, arsenic, silver, etc.—is also an important secondary resource of antimony ...
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One-Step Extraction of Antimony in Low Temperature from Stibnite …
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.
WhatsApp: +86 18221755073