process optimization antimony

A general industrial process control scheme usually involves an optimization module which generates the set-points of the operational indices that maximize the economic performance function, and a controller which tracks the set-points [1,2,3].A case in point is the froth flotation which is an important mineral concentration …

The present study investigates the optimization and advanced simulation of the flotation process of coarse particles (–425 + 106) using micro-nanobubbles (MNBs). For this purpose, flotation ...

The fate of antimony (III) in the CF–UF process was determined from the antimony (III) mass distribution and composition of HFO-antimony (III) cake layers that formed on the membrane. The results of this study allowed the optimization of the CF–UF process parameters for antimony (III) removal and provide a better understanding of …

Preparation of Antimony Sulfide and Enrichment of Gold by Sulfuration–Volatilization from Electrodeposited Antimony. 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….

Chloride: Optimization of Coagulation Process Using Response Surface Methodology Muhammad Ali Inam 1, *, Rizwan Khan 2, Kang Hoon Lee 3, *, Zaeem Bin Babar 1 and Ick T ae Yeom 4

Selective alkaline leaching of antimony from Low-grade refractory gold ores and process optimization. 2023, Minerals Engineering. ... Furthermore, the response surface method was applied to distinguish the interaction influence of process parameters on the antimony and gold extraction rate. It is detected that the polysulfides and …

The unique 1D crystal structure of Antimony Triselenide (Sb 2 Se 3) offers notable potential for use in flexible, lightweight devices due to its excellent bending characteristics.However, fabricating high-efficiency flexible Sb 2 Se 3 solar cells is challenging, primarily due to the suboptimal contact interface between the embedded Sb …

High-quality films of bismuth antimony telluride were synthesized by electrodeposition from nitric acid electroplating baths. The influence of a surfactant, sodium ligninsulfonate, on the structure, morphology, stoichiometry, and homogeneity of the deposited films has been investigated. ... Optimization of the electrodeposition process …

Minerals of tetrahedrite group are categorized among the sulfosalt family and are also the most prevalent complex sulfides [].These minerals are easily floated with physicochemical process, which is a useful method to recover valuable metals from ores, and it is widely used in the flotation recovery of copper, lead, zinc, antimony, etc. [2,3,4]. ...

Herein, antimony (Sb) doping, and modification is proposed to boost the performance enhancement of short-process regenerated NCM in our work. Spent NCM …

The presence of natural organic matter (NOM) in drinking water sources can stabilize toxic antimony (Sb) species, thus enhancing their mobility and causing adverse effects on human health. ... This study may provide new insights into the complexation behavior of Sb in NOM-laden water as well as the optimization of the coagulant dose …

The co-contamination of aquatic systems with antimony (Sb) and humic acid (HA) is a global concern due to their potential risks to human health and environment. In this research, three-level-three-variable Box–Behnken design (BBD) was investigated for simultaneous Sb(III) and total organic carbon (TOC) removal responses from …

Wu (Wu et al., 2019) and Rusalev (Rusalev et al., 2020) studied the effect of different factors on antimony in the sodium sulfide leaching process for treating high-grade antimony gold ore by ...

To eliminate the adverse effect of antimony on extracting of gold in matte smelting process from Sb-bearing refractory gold ores, the sodium sulfide leaching method was proposed to selectively remove antimony in advance. On the basis of the analysis and characterization of raw materials (XRD, SEM-EDS, mineralogical phase analysis, etc.), it can be detected …

The development of a response surface optimization model can provide a reference for the optimization of process parameters for the preparation of antimony …

A solution-based spin coating process was used as a deposition method to demonstrate the effect of antimony-doping on the properties of the CIGS films and the solar cell device. The approach relied on forming a soluble molecular-based metal chalcogenide precursor in hydrazine at room temperature, while device-quality CIGS films were easily ...

A mild compaction process is beneficial to phonons scattering while leaves carrier mobility little adversely affected. As a result, tuning the porosity and interfaces accounts for optimization of thermoelectric property. 2. Experimental details. All of the chemical reagents were in analytical purity without any further purification.

antimony removal. However, the interactive effects of influencing factors on antimony removal were not in-vestigated and the optimization of EC process is still needed a subject of further investigation. Of late, Response Surface Methodology (RSM), a collection of mathematical and statistical methodology, has been

RESEARCH ARTICLE. Preparation of Antimony Metal by Carbothermal Reduction of Antimony Oxide Powder in a Microwave Field: Mechanism and Process. Lingbo Li1,2 · …

In this work, we report the optimization of annealing process to improve the thermoelectric properties of pulse electrodeposited bismuth antimony telluride (Bi–Sb–Te) films by varying the ...

They have been used for control and optimization of the froth flotation process in an increasing number of studies [10,11,12,13,14,15,16]. Meanwhile, in practice, operational experience is very important for reagent addition and has been the topic of some investigations. ... Due to the complex physicochemical reactions in the gold …

In this paper, we present our efforts on studying light trapping in thin-film silicon solar cells using photonic crystal (PC) based structures. Specifically, we propose a photonic backside texture combining periodic gratings and a distributed Bragg reflector (DBR). The mechanisms of this integrated photonic design are theoretically studied and …

Finally, antimony was recovered from the leach liquor in the form of NaSb(OH) 6. This study can pave the way for the development of new hydrometallurgical processes for antimony recovery from the sulfide minerals. ... Process optimization and kinetic studies. Journal of Environmental Management (IF 8.7) Pub Date: , DOI: 10.1016/j ...

Process optimization is a set of methods and tools used to make processes more efficient and effective. There are several types of process optimization techniques, including process mapping, process mining, and Six Sigma. When optimizing a process, it's important to identify goals, analyze current processes, develop an optimized process, …

On the basis of optimization studies [13][14] [15], the maximum extraction of antimony in the solution was determined and the gold losses during sulfide-alkaline leaching were minimized: L/S = 4.5 ...

Coprecipitation-adsorption plays a significant role during coagulation-flocculation-sedimentation (C/F/S) of antimony (Sb) in water. This work uses a Box–Behnken statistical experiment design (BBD) and response surface methodology (RSM) to

Accordingly, the optimized process results are determined as follows: the extraction rates of antimony and gold reach 94.15% and 3.37%, respectively, under Na 2 S concentration of 85.66 g/L, NaOH concentration of 45.5 g/L, liquid–solid ratio of 1.5, leaching at 90 °C for 5 min, which are very consistent with the predicted values of the ...

China leads the global antimony production (67% on an average from 2015 to 2019) followed by Russia and Tajikistan. Antimony has been applied in the industry (plastics, etc.) and new/emerging technologies (cell panels, infrared, etc.) where antimony trioxide (Sb 2 O 3) is its most produced and used compound. With technological …

The main challenge in the antimony flotation process is the difficulty in balancing the relationship between the antimony recovery rate and concentrate grade (Segura-Salazar and Brito-Parada, 2021). ... Control and Optimization of Flotation Process. 2023, Beijing Gongye Daxue Xuebao/Journal of Beijing University of Technology.

Process optimization definition. Process optimization is the discipline of adjusting a process so as to optimize (make the best or most effective use of) some specified set of parameters without violating some constraint. Taguchi's Quality Engineering Handbook – Genichi Taguchi, Subir Chowdhury, Yuin Wu.

In the optimized conditions, a >77.0% yield of antimony ingot can be obtained under roasting temperature of 730 °C, roasting time of 60min, carbon powder …

Semantic Scholar extracted view of "Reduction mechanism and optimization of prepare metallic antimony through direct microwave carbothermal reduction of antimony oxide …

The modelling and optimization for the alkaline sulphide leaching of a complex copper concentrate containing 1.69% Sb and 0.14% Sn were studied. …

The mechanism of microwave carbothermal reduction of Sb2O3 was investigated by XRD, SEM-EDS and Mapping analysis, the results show that the microwave reduction process is divided into three stages based on the melting point of antimony, namely, 25 °C–400 °C, 400 °C–630 °C, and above 630 °C, which differ in terms of phase transformation.