antimony smelting process

Antimony Smelting - Mineral Processing Metallurgy

2016-3-18  Antimony Smelting. China now leads the world in antimony production, having contributed during recent years something over 60 per cent, of the world’s

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Antimony smelting process generating solid wastes and

A large amount of solid waste has been produced by the antimony smelting process in the "World Capital of Antimony", Xikuangshan area in China. This study comprehensively investigated the physical and chemical characteristics of the various solid wastes, as well as the leaching behavior of the solid

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Antimony smelting process generating solid wastes and

2014-7-1  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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Antimony smelting process generating solid wastes and ...

A large amount of solid waste has been produced by the antimony smelting process in the"World Capital of Antimony", Xikuangshan area in China. This study comprehensively investigated the physical and chemical characteristics of the various solid wastes, as well as the leaching behavior of the solid wastes, which included water-quenched slag,arsenic-alkali residue, desulfurized slag and blast ...

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A New Pyrometallurgical Process for Producing Antimony ...

2021-10-29  The oxygen bottom blown bath smelting process is a newly developed intensifying smelting process, which has been widely applied to copper [1,2], lead

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A New Pyrometallurgical Process for Producing Antimony ...

2014-6-6  Antimonial dust is a by-product of lead smelting and an important material for extracting antimony. A new pyrometallurgical process for producing antimony white from the antimonial dust is reported. The process mainly consists of three steps, which are reduction smelting, alkaline refining, and blowing oxidation. First, the reduction smelting of antimonial dust is carried out in an oxygen-rich ...

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Separation of Antimony from a Stibnite Concentrate

2010-11-23  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, resultant crude antimony

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Purification of crude As2O3 recovered from antimony ...

2020-7-1  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).

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MIT’s accidental smelting discovery unlocks the potential ...

2016-11-28  In a typical smelting process, this sulphur would have immediately bonded with oxygen in the air to form sulphur dioxide, the major cause of acid rain. Antimony

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Antimony smelting process generating solid wastes and ...

A large amount of solid waste has been produced by the antimony smelting process in the"World Capital of Antimony", Xikuangshan area in China. This study comprehensively investigated the physical and chemical characteristics of the various solid wastes, as well as the leaching behavior of the solid wastes, which included water-quenched slag,arsenic-alkali residue, desulfurized slag and blast ...

Read More
A New Pyrometallurgical Process for Producing Antimony ...

2021-10-29  The oxygen bottom blown bath smelting process is a newly developed intensifying smelting process, which has been widely applied to copper [1,2], lead

Read More
Behavior of Tin and Antimony in Secondary Copper

2019-1-12  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.

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Purification of crude As2O3 recovered from antimony ...

2020-7-1  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).

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Research on the Characteristics and Mechanism of the ...

2017-7-18  A study of the reactions during antimony smelting in the Lengshuijiang River region shows the process of antimony smelting is divided into two steps: smelting of crude antimony and refining. The smelting of crude antimony requires a high temperature environment to allow the oxidation reaction of antimony sulfide and subsequent desulfurization .

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One-Step Extraction of Antimony in Low Temperature

2017-5-4  comprehensively in crude antimony. In comparison to traditional antimony pyrometallurgical process, the smelting temperature of present process is reduced from 1150–1200 C (1423–1473 K) to 850–900 C (1123–1173 K). Sulfur obtained in stibnite is fixed in FeS which avoids SO 2 emission owing to the sulfur-fixing agent.

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Recovery of alkali, selenium and arsenic from antimony ...

Abstract 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. In this study, aiming at the problems of the low recoveries and incomplete separation of arsenic and alkali, the secondary pollution of arsenic-alkali mixed salts and the insufficient ...

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Hydrometallurgical process injects vitality to antimony ...

In March 2012, the company's technology research team conducted a new antimony hydrometallurgical process test to replace the original pyrometallurgical smelting slurry electrolysis process in refined antimony production together with the Beijing General Research Institute of Mining Metallurgy.

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Pyrometallurgical Removal of Arsenic from Electrostatic ...

At an industrial level, it would be effective to take this process in a concentrate roasting furnace and then recirculate it in the copper smelting process. The results obtained for antimony indicated that this element also volatilizes with nitrogen and the mixture of Sulfur/FS dust and Fe 7 S 8 /FS dust. Additional experiments will be required ...

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砷、锑、铋在铜冶炼过程中的分布及其在冶炼副产物中的 ...

2017-9-2  Arsenic, antimony and bismuth in copper concentrates are mainly converted to by-products such as dust, slag, anode slime and black copper after smelting, blowing and electrolytic refining. The main methods, technological process, technological parameters and achievements in recent years are introduced of recovering arsenic, antimony and bismuth from by-products of copper smelting.

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Improved Smelting and Refining Processes for Production

The antimony smelting techniques that have been developed in Xikuangshan are typical of smelters in China. Traditional smelting methods have been improved since the 1940s, but several novel achievements have been introduced in recent years. ... a crystallizing process for the treatment of the high-arsenic basic slag produced in refining to ...

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A New Pyrometallurgical Process for Producing Antimony ...

2021-10-29  The oxygen bottom blown bath smelting process is a newly developed intensifying smelting process, which has been widely applied to copper [1,2], lead

Read More
Behavior of Tin and Antimony in Secondary Copper

2019-1-12  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.

Read More
[PDF] 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. The influences of molten salt addition and composition, ferric oxide dosage, smelting temperature and duration on extraction efficiency of antimony were investigated in details ...

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One-Step Extraction of Antimony in Low Temperature

2017-5-4  comprehensively in crude antimony. In comparison to traditional antimony pyrometallurgical process, the smelting temperature of present process is reduced from 1150–1200 C (1423–1473 K) to 850–900 C (1123–1173 K). Sulfur obtained in stibnite is fixed in FeS which avoids SO 2 emission owing to the sulfur-fixing agent.

Read More
Recovery of alkali, selenium and arsenic from antimony ...

Abstract 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. In this study, aiming at the problems of the low recoveries and incomplete separation of arsenic and alkali, the secondary pollution of arsenic-alkali mixed salts and the insufficient ...

Read More
Hydrometallurgical process injects vitality to antimony ...

In March 2012, the company's technology research team conducted a new antimony hydrometallurgical process test to replace the original pyrometallurgical smelting slurry electrolysis process in refined antimony production together with the Beijing General Research Institute of Mining Metallurgy.

Read More
Hydrometallurgical smelter dust treatment - the case for ...

2019-12-11  The most problematic impurities in smelting processes are arsenic, antimony, bismuth, lead, and zinc. Concentrate pre-treatment methods like blending and partial roasting of concentrates are widely used to control impurity metal levels in both

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砷、锑、铋在铜冶炼过程中的分布及其在冶炼副产物中的 ...

2017-9-2  Arsenic, antimony and bismuth in copper concentrates are mainly converted to by-products such as dust, slag, anode slime and black copper after smelting, blowing and electrolytic refining. The main methods, technological process, technological parameters and achievements in recent years are introduced of recovering arsenic, antimony and bismuth from by-products of copper smelting.

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中南大学 郑雅杰 - Central South University

1981-7-15  134.Long H, Huang X, Zheng Y, et al. Purification of crude As2O3 recovered from antimony smelting arsenic-alkali residue[J]. Process Safety and Environmental Protection, 2020, 139: 201-209. (JCR一区, IF=4.384) 135.张霜华,郑雅杰.砷硫铁的脱除对高砷金精矿

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