extraction antimony sulfur

Several extraction techniques and processing routes for gold recovery are available, depending on the types of gold ore and its mineralogical characteristics (Marsden and House, 2006;Natarajan ...

The dependences of effects of the temperature, time, L/S ratio and NaOH concentration on the extraction antimony and sulfur from the flotation concentrate have been determined. During sulphide ...

Chemical reactions at the interface between the perovskite and hole transport layer limit the performance of inverted solar cells. Li et al. insert a p-type antimony-doped tin oxide layer that ...

The extraction of antimony from low-grade stibnite in eutectic Na 2 CO 3 –NaCl molten salt using ZnO as a sulfur-fixed agent was studied by Ye et al. (2015). The results of the experiments indicate that the reaction courses of antimony and sulfur were Sb 2 S 3 /Sb 2 O 3 /Sb and Sb 2 S 3 /ZnS. Sulfur was fixed in the form of ZnS, while molten ...

The mechanisms of antimony extraction and zinc, iron, sulfur conservation was thermodynamically and experimentally investigated. The results show that iron- and zinc-bearing components in the ...

Arsenic-containing antimony gold concentrate (As-Sb-Au ore) is an important raw material for antimony and gold extraction [1–3]. Antimony often exists in the form of stibnite and usually needs to be removed before gold extraction [4–7]. Zhang et al. [8] proposed a slurry electrolysis (SE) method to pretreat this As-Sb-Au ore.

Total oxidized sulfur reached 90.6%, while only 10.4 % of the sulfur was released, and chlorine release was 49.5%. In addition, water leaching was conducted to investigate the extraction rate of metals after roasting. ... Accordingly, the optimized process results are determined as follows: the extraction rates of antimony and gold …

Abstract. 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 …

Antimony metallurgy is the technology that extracts antimony metal from antimony ores or produces antimony compounds. Antimony was discovered in the …

The pretreatment by ozone gas is more effective and quick than that by pure oxygen gas. 3.2.2 Effect of liquid/solid ratio Figure 6 presents the effect of L/S ratio on the leaching efficiencies of antimony, iron, sulfur and Fig. 4 Potential of system over time in leaching process with operating conditions: (a) 4.0 mol/L HCl, 300 r/min stirring ...

@article{Li2020SustainablePM, title={Sustainable phase-conversion method for antimony extraction and sulfur conservation and waste treatment at low temperature}, author={Yun Li and Haotian Xue and Pekka Taskinen and Shenghai Yang and Chao-bo Tang and Wei Jin and Yongming Chen and Ari Jokilaakso}, journal={Journal of Cleaner …

Aiming at these problems, we present a new method of sulfur-fixing roasting of antimony sulfide. This method uses ZnO as a sulfur-fixing agent, and roasting with Sb 2 S 3 was carried out at 673 K ...

The effect of sulfur on the thermoplasticity of antimony-containing C-Mn steel at 700–1100 °C was examined using a Gleeble 1500 thermodynamic simulation device (Gleeble, Poestenkill, NY, USA). Area reduction (RA%) was used to evaluate the thermal ductility. The 0.16 mass % Sb extended the range of the ductile grooves, …

Conventional antimony metallurgy had the problems of low-concentration SO 2 pollution and high energy consumption. This work proposed a new clean metallurgy method for antimony extraction. Zinc oxide and carbon were used as sulfur-fixing and reducing agent, and metallic antimony was obtained one step while sulfur was retained …

A new pyrometallurgical process to extract antimony from stibnite concentrate was proposed. Thermodynamic analysis of extraction process was conducted. Based on the thermodynamic analysis, the influence of volatilization temperature, volatilization time, blowing oxygen, low melting point slagging on the volatilization rate of antimony and the …

Bench-scale experiments of antimony extraction from stibnite concentrate with goethite residue as sulfur-fixing agent validated that 85.7% of Sb was directly recovered as crude antimony bullion ...

The mechanisms of antimony extraction and zinc, iron, sulfur conservation was thermodynamically and experimentally investigated. The results show that iron- and zinc-bearing components in the ...

The concentrate of sulfur antimony ore, leached with a solution of caustic alkali according to the known techniques dissolves, as sulfur salts as much Sb as possible, whilst the other heavy and precious metals which accompany the antimony bearing ore remain unchanged in the residue. ... EP0806487A1 - Extraction of antimony from sulfide ores by ...

Slurry electrolysis was also presented to extract antimony from high arsenic and gold-containing stibnite ore to produce cathode metal antimony (Zhang et al., 2019). In general, hydrometallurgical methods are more environmental-friendly, and can be conducted in either alkaline or acidic systems. ... sulfur and arsenic in the ore were ...

Under the optimum conditions, the direct recovery rate of antimony can reach 91.48%, and crude antimony with a purity of 96.00% has been achieved. 95.31% of sulfur is fixed in form of FeS in the ...

Bench-scale experiments of antimony extraction from stibnite concentrate with goethite residue as sulfur-fixing agent validated that 85.7% of Sb was directly recovered as crude antimony bullion ...

2 Sulfur is needed for the production of sulfuric acid. Two of the major sources of sulfur are underground deposits of the element sulfur, sulfur compounds from natural gas and petroleum. (a) ... The extraction of antimony is similar to that of zinc.

A new process for one-step extraction of antimony in low temperature from stibnite concentrate by reductive sulfur-fixation smelting in sodium molten salt,... This website uses cookies to ensure you get the best experience.

Extraction of Antimony from Primary. Resources: Current Practices and. Evolving Processes. Processes 2022, 10, 1590. https://doi/10.3390/ pr10081590. …

The extraction of antimony from low-grade stibnite in eutectic Na2CO3–NaCl molten salt using ZnO as a sulphur-fixed agent was studied. The results of the experiments on the reaction mechanism ...

The direct sulfur fixation and reduction roasting of antimony sulfide (Sb 2 S 3) were investigated for antimony extraction, based on the combination of metallurgy …

Antimony leaching from tetrahedrite-bearing ores was typically carried out by using Na2S-NaOH solutions. In the current paper, the detail mechanism of antimony leaching from tetrahedrite-rich concentrate via K2S and BaS lixiviants was investigated for the first time. Sample was characterized in terms of chemical, mineralogical, and …

A complete technological process for extracting antimony from refractory gold ore was proposed. Antimony can be selectively removed from refractory gold ore …

Semantic Scholar extracted view of "One-step extraction of antimony from low-grade stibnite in Sodium Carbonate – Sodium Chloride binary molten salt" by Ye Longgang et al. ... The molten salt metallurgy of Sb, which involves the smelting of stibnite in a binary NaCl-Na2CO3 salt with sulfur-fixing and the addition of a reductant, has been ...

The detailed phase transformations and microstructural evolution mechanisms during antimony extraction and sulfur fixation process were investigated. The results show that stibnite (Sb 2 S 3) can quickly transform to senarmontite (Sb 2 O 3) in the presence of Fe 2 O 3 and Na 2 CO 3, and then Sb 2 O 3 will be continuously …

@article{Longgang2019SulfurFA, title={Sulfur fixation and reduction roasting of stibnite for clean extraction of antimony by a combined metallurgy and beneficiation process}, author={Ye Longgang and Zhen Ouyang and Yifeng Chen and Yong-ming Chen and Li Xiao}, journal={Minerals Engineering}, year={2019}, volume={144}, …