smelting process for antimony
Antimony 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
More
Antimony 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
More
Antimony Metallurgy SpringerLink
2023.6.7 Antimony smelting is done through the pyrometallurgical process or the hydrometallurgical process, but mostly the pyrometallurgical process. Pyrometallurgical
More
A New Pyrometallurgical Process for Producing
2014.6.6 A new pyrometallurgical process for producing antimony white from antimonial dust was proposed, and it has many advantages such as shorter process, lower cost and good product quality. A new bath
More
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
More
Antimony smelting process generating solid wastes and dust ...
2014.7.1 ... The "World Capital of Antimony", Xikuangshan antimony mine, is situated in Hunan Province, China [2,25, [57] [58] [59]. Guo et al. [25] reported that Xikuangshan
More
Antimony 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,
More
Sustainability Free Full-Text Present Situation and
2023.9.20 During the smelting process of antimony concentrate, a large amount of smelting slag is produced, including smelting slag, arsenic alkali slag, lead removal slag,
More
Antimony 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.
More
Antimony Metallurgy SpringerLink
2023.6.7 The powdery crude antimony trioxide is reduced by a carbonaceous reductant in a reverberatory furnace at 1,000–1,200 °C to produce crude antimony. Crude antimony can be produced by the precipitation smelting process. The typical pyrometallurgical antimony production process using sulfide ore is shown in Fig. 1.
More
Antimony recovery from antimony-rich slag by top blowing
2022.11.1 We study the evaporation of antimony trioxide from an antimony-rich slag by bubbling nitrogen gas through a submerged top lance at 1000–1300 °C. Experiments are carried out with 300 g slag at gas flow rates of 20–60 l/h with the lance height of 1.5 and 10 mm. Slag samples are taken and analyzed to identify changes in the antimony trioxide
More
Characterization of antimony-containing metallurgical
DOI: 10.1016/j.jclepro.2021.129491 Corpus ID: 240010632; Characterization of antimony-containing metallurgical residues for antimony recovery @article{Ling2021CharacterizationOA, title={Characterization of antimony-containing metallurgical residues for antimony recovery}, author={Hongbin Ling and Bart Blanpain
More
Metals Free Full-Text One-Step Extraction of Antimony in
2016.7.7 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
More
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
More
Electroreduction of Antimony Sulfide Enhanced by Nitrogen
2022.1.24 Antimony is a rare strategic metal, and stibnite (Sb 2 S 3) is its primary smelting material.The existing smelting process is basically pyrometallurgy, accounting for > 95%. 1 At present, the process of oxidative volatilization of antimony sulfide in blast furnace and reductive smelting of antimony oxide in reverberatory furnace is mainly used to
More
A 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
More
Research of the evaporation law of elemental antimony
2022.6.1 The smelting technology of antimony is mainly divided into pyrometallurgical process and hydrometallurgy process, and the pyrometallurgical process is dominant at present. More than 95% of the enterprises in China's antimony smelting industry adopt the pyrometallurgical process, and the representative process is the “blast furnace ...
MoreA New Pyrometallurgical Process for Producing
2017.8.28 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 bottom blow furnace to enrich antimony and lead in the crude alloy. The antimony and lead contents in the slag can thus be reduced to 2.8 wt.% and 0.1 wt.%, respectively.
More
Investigation of the Oxygen Bottom Blown Copper Smelting Process
2018.8.19 The oxygen bottom blown copper smelting process is a newly developed intensifying smelting process, which has been widely applied to the copper productions in China in the past 10 years [6, 23].This process was industrially tested initially in the Shuikoushan (SKS) smelter in 1990 and was named originally as “SKS process ”, which
More
Clean and efficient separation process for high-antimony
2023.6.1 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].
More
A clean process for recovering antimony from arsenic
2022.8.15 The main valuable metal was antimony (2.22%) in the form of NaSb(OH) 6 and the other elements were Na (20.07%) and As (16.60%). The phase composition was characterized by X-ray diffraction (XRD), the results. Theoretical principles of acid leaching. The leaching process was designed to separate NaSb(OH) 6 from arsenic-bearing
More
Recovery of alkali, selenium and arsenic from antimony smelting
2020.4.1 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
More
High-purity antimony sulfide condensate produced from
2023.1.1 However, this process has a long production process and mainly relies on high-grade antimony ore for smelting. With the rapid consumption of antimony resources, a single high-grade antimony ore to support the advancement of antimony smelting, which has also become a key factor contributing to the global antimony supply's stability ( Krenev et ...
More
Clean and efficient separation process for high-antimony
2023.6.1 1. Introduction. 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].During crude Sn pyrorefining, Sb and aluminum (Al) are used to generate high melting point
More
Analysis of Antimony Sulfide Oxidation Mechanism in
2022.12.8 The phase transformation mechanism of antimony sulfide in the oxygen-enriched smelting system was investigated. The standard Gibbs free energy change (ΔG^θ) of reactions in the smelting system at 100 ~ 1400°C were calculated, indicating that the reaction between Sb_2S_3 and oxygen was liable to occur first, and that the high-valent
MoreSeparation and recovery of arsenic and alkali products
2020.7.1 In the process of antimony smelting, arsenic in antimony ores can enter crude antimony. Crude antimony is often refined by adding sodium carbonate to remove arsenic, which produces a kind of arsenic-containing residue in this process. Because the soluble components in the residue are alkaline in water, so the antimony smelters call it
More
Bismuth Metallurgy SpringerLink
2023.5.17 In the process, metal bismuth is combined with other impurity metals displaced by iron at the same time to produce crude bismuth. Precipitation smelting is applicable to process high-grade bismuth sulfide concentrate with less impurities such as lead, arsenic, and antimony. The grade of crude bismuth produced with the method is as
More
Antimony, 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
More
A Review on Pyrometallurgical Extraction of Antimony from
2022.8.12 Antimony is classified as a critical/strategic metal. Its primary production is predominated by China via pyrometallurgical routes such as volatilization roasting—reduction smelting or direct reduction smelting. The performance of most of the pyro-processes is very sensitive to concentrate type and grade. Therefore, technology
More
Analysis 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
More
MIT’s accidental smelting discovery unlocks the potential of antimony
2016.11.28 The traditional method of producing antimony metal is through heat smelting. However, researchers at MIT claim to have accidentally stumbled upon a new method of smelting using electrolysis rather than heat. ... Indeed, it was the discovery of the Hall-Héroult electrolytic process more than a hundred years ago that transformed
More
Current processing technology for antimony-bearing ores a
1989.1.1 This study aimed to introduce a vacuum process for recovering and enriching antimony from low-grade stibnite. At the pressure of 10 Pa, by controlling heating temperature, Sb 2 S 3 and Sb 2 O 3 from stibnite (12.8 wt% Sb) was evaporated and enriched. We investigated the influence of vacuum distillation temperature and time on
More
A review of arsenic reaction behavior in copper smelting ...
2023.10.9 As one of the five major toxic elements, the health threat of arsenic to organisms and ecological environment has attracted serious public attention. As one of the important anthropogenic sources of arsenic, non-ferrous smelting, especially copper smelting, should be listed as a key concern. Therefore, clarifying the behavior of arsenic
More
Extraction 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
More
Hailin YANG Research Assistant Professor PhD Peking
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 ...
MoreA 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
More
Behavior of Tin and Antimony in Secondary Copper Smelting Process
2019.1.12 the behavior of tin and antimony was experimentally studied in secondary copper smelting conditions. The experimental system was comprised of gas–copper alloy–spinel saturated iron silicate ...
More
Characterization of antimony-containing metallurgical residues for ...
2021.12.10 Antimony smelting process generating solid wastes and dust: characterization and leaching behaviors. J. Environ. Sci (China). (2014) ... Purification of crude As 2 O 3 recovered from antimony smelting arsenic-alkali residue. Process Safety and Environmental Protection, Volume 139, 2020, pp. 201-209.
MoreArticle aléatoire
- taux de 60 tph concasseur de pierre minerale
- coût des prix usine sron baisse des prix du silo de fondation en béton
- location de Afrique concasseur de fluorite
- budget usine de concassage de pierre en inde
- plantes carrière de concassage
- fournisseurs quartz broyé
- cointain broyeur Indonésie boulets combien de poids de balles
- rouleau vertical panne de broyeur à charbon
- beton machine a brique de decision a Bangkok
- concassage et le broyage de laitier
- concasseurs Cameroun
- type de pierre pour construction en Maroc
- bentonite société de concasseur primaire
- broyeur de pierres itern
- catalogue des concasseurs de roche mumbai utilisation
- les propriétés des matériaux boule de concasseur
- Ampere De Sable Ampere Utilisations De Gravier
- broyeur de pierres de rechange Traders Indonésie Chennai
- fabricants d quipements de concassage minier aux etats unis
- projet de raffinerie de panama
- cuivre organigramme de processus de laminoir
- desain laminoir alat
- machine de concassage de pierre en allemagne
- batu kerikil mengandung logam emas
- medium raymond moulin merk teco erta
- broyeur de pierres fabricant de la machine Indonésie bangalore
- specificatons de concasseur
- Conception Concasseur de pierre Capacité 60 Ton h
- mélange de ciment en béton
- minerai de concassage secondaire en Afrique du Sud
- spécifications des matériaux pour les marteaux pour broyeur
- disposition du systme de concassage
- processus de recyclage de la construction
- concasseur à cône prix seychelles
- différence entre le broyeur à boulets et le broyeur à cylindres vertical
- quelles sont les solutions avec les déchets de construction