Usage: Flotation is a commonly used method for antimony ore dressing and is suitable for various ore types, including sulfide antimony ore, sulfide-oxide mixed antimony ore, stibnite, tungsten ...
This is also an effective and simple method to predict whether the mixed melt of PbS and Sb 2 S 3 can be separated, which provides theoretical guidance for the …
4.3. Synthesis of the antimony sulphide nanorods. The Sb 2 S 3 nanorods were prepared by the solvothermal decomposition of the precursor complex, antimony(III)tris(N-ethyl-N-phenyldithiocarbamate), in oleylamine (OLA) as capping agent via the well-established heat-up method.Amines are well known passivating agents in …
In both cases, the most effective and widely used method is alkaline sulfide leaching which is very selective for antimony, gold, arsenic, mercury, and tin minerals.
With the method provided by the invention, antimony sulfide concentrate self-heat melting is realized, energy saving and consumption reducing are realized, and antimony and gold recovery rates are greatly improved. Antimony white has good quality, and can be directly subjected to reduction melting to produce refined antimony.
Antimony trisulfide (Sb2S3) is a promising candidate for cell absorbers due to its appropriate band gap, abundant constituents, non-toxicity, simple composition, and long-term stability. In this study, highly oriented Sb2S3 microbars were prepared utilizing an easy, low-cost solvothermal approach. The effects of the solvents used on the …
Electrodeposited antimony can be treated with sulfuration–volatilization technology, which causes antimony to volatilize in the form of antimony sulfide. During this process, gold is enriched in the residue, thereby realizing the value-added use of antimony and the recovery of gold. In this study, the thermodynamic conditions of …
Antimony sulfide is susceptible to volatilization and oxidation, so it can be used to produce crude antimony xide at a temperature above 1,200 °C. The powdery …
Silver(I) ethylxanthate [AgS 2 COEt] (1) and antimony(III) ethylxanthate [Sb(S 2 COEt) 3] (2) have been synthesised, characterised and used as precursors for the preparation of AgSbS 2 powders and thin films using a solvent-free melt method and spin coating technique, respectively. The as-synthesized AgSbS 2 powders were …
An integrated system involving sulphide leaching of antimony from copper concentrates using Na 2 S followed by the recovery of antimony through electrowinning from this leach solution could reduce the antimony concentration in the copper concentrates, from 1.7% to less than 0.1% (Awe et al., 2013).
Here, the authors reveal a high-throughput electro-desulfurization process to convert molten stibnite to pure antimony in a single step, reducing emissions and energy consumption.
Deposition of antimony sulfide thin films by melt method. The melt method was employed to deposit thin film onto glass substrates. The antimony benzoate complex was spread onto the glass substrate and put it in the furnace under a nitrogen atmosphere at different (300, 350 and 400 °C) temperatures. The precursor melted and a thin film …
Antimony sulfide (Sb 2 S 3) is a promising anode material for sodium-ion batteries due to its low cost and high theoretical specific capacity.However, poor stability and a complex preparation process limit its large-scale application. Herein, we prepare a binder-free composite electrode composed of amorphous (α-) Sb 2 S 3 and copper …
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 …
Pure antimony sulfide volatilizes violently at 630 °C-760 °C, and pure lead sulfide sublimates violently at 887–1098 °C, respectively. ... such as smelting, chlorination hydrolysis and sodium sulfide leaching method, etc. ... some pyrometallurgical methods also have been proposed, such as Reduction matte smelting and Vortex furnace melting ...
The integral mixing enthalpy of antimony and selenium has a noticeable positive value (7.19 ± 0.40 kJ/mol) at 30 at. % selenium, and a value of 3.16 ± 0.15 kJ/mol is observed at 86.7 at. % selenium in the melt (Figure 5). In the antimony–antimony sulfide system, the maximum integral enthalpy of mixing reaches a value of 12.74 ± …
In this paper, we describe a metal xanthate precursor route to produce ternary silver antimony sulfide (AgSbS 2) as a single well-defined phase via thermal …
Methods of reducing melting and sulfide-alkaline leaching of antimony sulfide concentrates to obtain metallic antimony and antimony xide are discussed, and …
INTRODUCTION. Antimony (Sb) (atomic number 51; atomic mass 121.75 g/mol; density 6.684 g/cm 3; melting point 631°C) occurs naturally as a sulphide ore, stibnite (Sb 2 S 3) and valentinite (Sb 2 0 3).The traditional method of treating the ore is to roast it with charcoal or coke and collect the volatile oxide fume (Sb 4 O 6) from which pure …
The direct synthesis method is to prepare antimony trisulfide by heating high-purity metal antimony and sulfur, ... [25] obtained antimony sulfide with a purity of 99.12 wt% by one-step vacuum multistage condensation from jamesonite, and used low-grade stibnite as raw material to prepare antimony sulfide with a purity of 95 wt% by …
Antimony Sulfide I can make antimony sulfide from sulfur and antimony casting pieces by melting together? ... Best result i have with tin sulfate making with melting process About the method to produced by bubbling H2S is not easy for me : not_important. International Hazard. Posts: 3873 Registered: 21-7-2006
Obtaining high-quality absorber layers is a major task for constructing efficient thin-film solar cells. Hydrothermal deposition is considered a promising method for preparing high-quality antimony sulfide (Sb 2 S 3) films for solar cell applications. In the hydrothermal process, the precursor reactants play an important role in controlling the ...
Layered materials with controlled thickness down to monolayer are being intensively investigated for unraveling and harnessing their dimension-dependent properties. Copper antimony sulfide (CuSbS2) is a ternary layered semiconductor material that has been considered as an absorber material in thin film solar cells due to its …
Product Code: SB5044: CAS Number: : Assay (purity) 60%+ Purity method: by elemental analysis: Molecular weight: 403.82: Form: solid: Appearance: orange ...
This paper proposes vacuum distillation as a technical method for preparing antimony sulfide from heterogeneous antimony sulfide ores. The volatilization rate of antimony sulfide was measured at 5 Pa pressure. ... majority of heterogeneous antimony sulfide ore is smelted using the "boiling roasting-sintering-blast furnace melting-blowing ...
Antimony sulfide has a low melting point (550 °C) and high saturated vapor pressure, which enabled us to deposit film using RTE method in high rate. The temperature-dependent vapor pressure curves of elemental S, elemental Sb and Sb 2 S 3 were plotted in Fig. 1 b according to Antoine Equation [24] .
Antimony trisulfide was also used as the image sensitive photoconductor in vidicon camera tubes. It is a semiconductor with a direct band gap of 1.8–2.5 eV. [citation needed] With suitable doping, p and n type materials can be produced.[8] Sb 2 S 3 can be prepared from the elements at temperature 500–900 °C: [5]. 2 Sb + 3 S → Sb 2 S 3. Sb 2 S 3 is …
Dielectric properties of stibnite concentrate, pure antimony sulfide, three different desulfurizers and their mixtures were assessed using resonant cavity perturbation technique. Dielectric properties of ZnO and CaO are largely independent of temperature, while CuO and Sb 2 S 3 have strong dependency with temperature. For the mixtures, …
The author used calcium oxide as a sulfur-fixing agent to fix sulfur in the form of calcium sulfide in the slag, eliminating emissions of SO 2, and then used carbon as a reducing agent, reducing Sb 2 O 3 to obtain metal antimony. This method can completely solve the pollution problem of SO 2, but the calcium sulfide and antimony product are …
A method for producing antimony trisulfide is developed, in which the resultant antimony trisulfide contains impurities, i.e., lead, arsenic and crystalline silica, in a relatively low amount, and by which it becomes possible to produce antimony trisulfide at low cost. An antimony xide powder and sulfur are introduced into a reaction vessel, and …