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Antimony smelting process generating solid wastes and dust ...
2014.7.1 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
Voir plusAntimony Recovery from End-of-Life Products and Industrial Process ...
2016.2.8 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
Voir plusA New Pyrometallurgical Process for Producing Antimony
2014.6.6 The process mainly consists of three steps, which are reduction smelting, alkaline refining, and blowing oxidation. First, the reduction smelting of antimonial dust is
Voir plusAntimony and arsenic substance flow analysis in antimony ...
2023.7.1 Granular ore with an antimony grade of 40%−50% is sent into the blast furnace with the recycled material, fuel, and fluxing agent of the system. Smelting slag,
Voir plusAntimony Extraction from Sulfide Concentrates by Direct
Recognizing the imperative to address global climate change and promote sustainable development within the industry, the conventional antimony smelting process,
Voir plusAntimony and gold substance flows analysis of pyrometallurgical process ...
2023.9.25 At present, the research on improving antimony smelting efficiency and reducing pollutant emission mainly focuses on the blast furnace smelting-reverberatory
Voir plusMetals Free Full-Text One-Step Extraction of Antimony in
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
Voir plusDevelopment of Antimony Smelting Technology in China
2013.2.20 Development of Antimony Smelting Technology in China - 4th International Symposium on High‐Temperature Metallurgical Processing - Wiley Online Library. Wei
Voir plusDevelopment of Antimony Smelting Technology in China
2013.2.1 Reportedly, volatilization smelting in BFs and reduction smelting of the produced ATO in reverberatory furnaces have been the pyrometallurgical route for the
Voir plusSelection on the Process of Enriching Gold by Smelting from
2017.2.7 The melting products are antimony oxide, crude antimony, antimony matte and slag. Crude antimony can be viewed as a significantly material to enrich gold. Above 90% of antimony can be volatilized and recovered in the form of antimony oxide in smelting process. The crude antimony contains 88.0–92.0% Sb, 3.0–7.0% Fe and 0.13% Au.
Voir plusAntimony and arsenic substance flow analysis in antimony ...
2023.7.1 Granular ore with an antimony grade of 40%−50% is sent into the blast furnace with the recycled material, fuel, and fluxing agent of the system. Smelting slag, antimony matte, and crude antimony are obtained from the melt produced in the volatilization smelting process through forehearth treatment.
Voir plusImproved Smelting and Refining Processes for Production of Antimony
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 ...
Voir plusAntimony, a pollutant of emerging concern: A review on
2021.8.1 1. Antimony – general aspects. Antimony comes under group 15 of the periodic table with ground state electronic configuration [Kr]4d 10 5s 2 5p 3. 121 Sb (57.21% abundance) and 123 Sb (42.7% abundance) are the two stable isotopes of antimony. Antimony can possess different oxidation states (such as +5, +3, 0, −3 and −5), but
Voir plusA hydrometallurgical process for the separation and recovery of antimony
2014.3.1 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 (99.98%), crude
Voir plusA New Pyrometallurgical Process for Producing Antimony
2014.9.1 The oxygen bottom blown smelting process (SKS process) is a newly developed intensifying smelting process, which has been widely applied to copper [9], lead [10,11], and antimony [12] production ...
Voir plusGreen and Effective Purification of Antimony and Recovery
2023.12.29 Noble antimony is the carrier of precious metals in the antimony smelting system and has a very high added value. This study proposes a novel, green, and effective vacuum gasification process for purifying antimony and recovering precious metals from noble antimony. Saturated vapor pressure and separation coefficients (β) were used to
Voir plusSustainability Free Full-Text Present Situation and
2023.9.20 The production process of antimony produces a large amount of solid waste, such as waste rock in mining, tailings in the beneficiation, metallurgical slag in the smelting, and so on. At present, most of these solid wastes are currently in storage, and the storage of a large amount of solid wastes is not only harmful to the local ecological
Voir plusThe flotation process, smelting process and extraction products
2021.10.1 1. Introduction. China is a country with the most antimony mineral resources. There are many kinds of deposits, and the reserves and production rank first globally (Anderson, 2019, He et al., 2012).The most relevant source of antimony is stibnite (Sb 2 S 3) (Fu et al., 2020, Segura-Salazar and Brito-Parada, 2021).According to Lager
Voir plusAnalysis of Antimony Sulfide Oxidation Mechanism in
2022.12.8 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
Voir plusClean and efficient separation process for high-antimony
2023.6.1 Abstract. Antimony circulates in a tin refining system, which strongly affects the production process. In this study, continuous vacuum separation and discontinuous vacuum separation processes were developed for high-antimony crude tin (HACT). During the industrial treatment of 60 t of HACT, product I of crude Sn and Sn–Sb alloy I were ...
Voir plusAntimony smelting process generating solid wastes and dust ...
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
Voir plusAntimony Recovery from End-of-Life Products and Industrial Process ...
2016.2.8 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 % [ 76 ].
Voir plus(PDF) Present Situation and Research Progress of
2023.9.20 The production process of antimony produces a large amount of solid waste, such as waste rock in mining, tailings in the beneficiation, metallurgical slag in the smelting, and so on.
Voir plusThermodynamic modeling of antimony removal from
2022.12.1 Therefore, the reaction mechanism and multi- phase distribution behavior of antimony in the smelting process need to be investigated to dissolve antimony in the slag while arsenic volatilizes into Corresponding author: Qin-meng WANG, Tel: +86-731-88876255, E-mail: [email protected] DOI: 10.1016/S1003-6326(22)66082-5 1003
Voir plusCleaning of high antimony smelting slag from an oxygen
2015.3.25 Cleaning of high antimony smelting slag from an oxygen-enriched bottom-blown was tested by direct reduction in a laboratory-scale electric furnace. The effects of added CaO, mass ratio of coal (experimental) to coal (theoretical) (ω) and the slag type on the reduction procedure were considered. The contents of Sb and Au were investigated.
Voir plusSelective alkaline leaching of antimony from Low-grade
2023.10.1 However, the antimony element is more difficult to remove during the matte smelting process, accordingly, a large amount of antimony compounds may seriously affects the lining life of the pyrometallurgical system, and has a continuous negative impact on subsequent valuable metal recovery (Artzer, 2018, Selivanov et al., 2019). Thus, it is ...
Voir plusBehavior of Tin and Antimony in Secondary Copper Smelting Process
2019.1.12 the behavior of different elements during each process stage. This article investigates the behavior. of tin and antimony, both commonly present as trace elements in electrical and electronic ...
Voir plusAntimony smelting process generating solid wastes and dust ...
Abstract. 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 ...
Voir plusStandardized framework for assessing soil quality at antimony smelting ...
The mining and smelting process has contaminated the soil around the mine to varying degrees, endangering the health of the surrounding populations. In this study, an integrated assessment by simultaneously assessing the soil resilience index (SRI) and soil contamination index (SCI) based on the modified NPI method was proposed to evaluate
Voir plusNew method developed for producing some
2016.8.24 A chart shows electrolysis of a molten semiconductor. The MIT researchers were trying to develop a new battery, but it didn’t work out that way. Instead, thanks to an unexpected finding in their lab tests, what
Voir plusExtraction Process of Antimony from Stibnite by Electrothermal ...
2019.2.13 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
Voir plusAntimony Smelting - 911 Metallurgist
2016.3.18 II. Furnaces and Smelting Appliances: A. Shaft furnaces and condensing chambers for the volatilization process, to roast the low-grade ore or the liquation residue, generally containing 15 to 30 per cent.
Voir plusMetals Free Full-Text One-Step Extraction of Antimony in
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
Voir plusExtracting antimony from high arsenic and gold
2019.6.1 The complex As-Au-Sb ore is also an important antimony resource that is predominantly mined in Hunan and other places in China. It is essential to develop an economical and environmentally friendly process for the extraction of antimony from this ore. Antimony production involves hydrometallurgy and pyrometallurgy, the latter being still
Voir plusSeparation 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
Voir plusThe metallurgy of antimony - ScienceDirect
2012.7.17 1. Background. Antimony is a silvery, white, brittle, crystalline solid that exhibits poor conductivity of electricity and heat. It has an atomic number of 51, an atomic weight of 122 and a density of 6.697 kg/m 3 at 26 °C. Antimony metal, also known as ‘regulus’, melts at 630 °C and boils at 1380 °C.Antimony and the natural sulfide of
Voir plusMinerals Free Full-Text Phase Transformation of Arsenic, Antimony ...
2024.5.9 The duration of the high-grade matte converting process is short, the amount of slag is small, and it is difficult for the original impurity removal operation in the low-grade matte converting process to meet the current production demand. Because the removal method for impurity elements during high-grade matte converting is unclear, the
Voir plusStudy on the leaching behavior of antimony in stibnite under
2024.4.16 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
Voir plusAntimony isotope fractionation in hydrothermal systems
2021.8.1 Abstract. In order to characterize antimony (Sb) isotope fractionation in hydrothermal systems, we present Sb isotope compositions of primary stibnite ores from a large Sb deposit in south China. A total number of 39 analyses reveals a large δ123 Sb range of −0.27 to +0.86‰, representing an up to 1.13‰ variation in this hydrothermal
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