After 6 h electrolysis, high recovery of antimony Žabout 98.3% Sb. in metallic form was obtained ŽTable 10.. Antimony deposit was adherent to the cathode being of good morphology, excellent grade of quality and purity ŽXRD curves reported in Fig. 5.. ... I.A. Salem, Electrolytic recovery of antimony from natural stibnite ore, Hydrometallurgy ...
Semantic Scholar extracted view of "Leaching Kinetics of Antimony from Refractory Gold Ore in Alkaline Sodium Sulfide under Ultrasound" by Yuting Hu et al.
The metals most commonly recovered by electrolysis are gold, silver, copper, manganese, iron, nickel, cobalt, zinc, cadmium, tin and lead. The electro-recovery of metals by the electrolysis of solutions of metal compounds, employing an electrolytic cell in which the metal is deposited upon a cathode, has long been known and is widely …
Sb2O3 ore of the Sefid-Abe mine in Zahedan province, Iran, utilizing selective acidic or alkaline leaching followed by Sb electrowinning. A process was developed to recover antimony from an Sb2O3 ore source, using selective acidic or alkaline leaching followed by antimony electrowin-ning.
A strategy for the efficient recovery of highly pure copper and antimony metals from electronic waste (e-waste) was implemented by the combination of hydrometallurgical and electrochemical processes. The focus is on copper recovery as the main component ...
This study investigated the leaching and electrowinning of antimony from a complex, high arsenic and gold-containing stibnite concentrate ore (As-Au-Sb ore) using slurry electrolysis (SE).
Since 1930, antimony ore melting in blast furnace became an important process for producing antimony metal. In China, antimony ore was discovered at a tin mine in Hunan during the Ming Dynasty (1368–1644). ... Crude antimony refinement can be realized with the pyrometallurgical process or electrolysis. Pyrometallurgical …
Today, one of the major difficulties confronted during copper metallurgy is the elimination of antimony and arsenic impurities from the process. This is because the pure copper ore reserves are becoming exhausted and the resources of unexploited ores often contain relatively high amounts of antimony and arsenic. During smelting of copper …
This study investigated the leaching and electrowinning of antimony from a complex, high arsenic and gold-containing stibnite concentrate ore (As-Au-Sb ore) using …
Semantic Scholar extracted view of "Electrochemical recovery of antimony and bismuth from spent electrolytes" by V. R. C. Thanu et al.
Antimony has become an increasingly critical element in recent years, due to a surge in industrial demand and the Chinese domination of primary production. Antimony is produced from stibnite ore (Sb2O3) which is processed into antimony metal and antimony oxide (Sb2O3). The industrial importance of antimony is mainly derived from …
This study investigated the leaching and electrowinning of antimony from a complex, high arsenic and gold-containing stibnite concentrate ore (As-Au-Sb ore) using slurry electrolysis (SE).
By way of example we demonstrate the production of high-purity liquid antimony via direct electrolysis of the molten semiconductor, antimony sulfide (Sb 2 S 3), derived from its predominant ore ...
This has sparked efforts to find secondary sources of antimony either through the recycling of end-of-life products or by recovering antimony from industrial process …
This paper reviews the state-of-the-art technologies for the antimony separation and recovery from refractory ores and metallurgical residues. The …
The application of slurry electrolysis for high-arsenic antimony–gold concentrate treatment provides several benefits, including a short treatment process, complete separation of antimony ... the feasibility, mechanism and process characteristic of treating low-grade antimony ore by bath smelting-continuous fuming process were …
To avoid the adverse effects of antimony on the cyanide leaching process used for the recovery of gold from refractory gold ore, a cleaner production process was …
Semantic Scholar extracted view of "Voltammetric and electrodeposition study for the recovery of antimony from effluents generated in the copper electrorefining process" by L. Hernández-Pérez et al.
Antimony recovery has been about 70% Sb for suitable conditions of leaching and electrowinning. Metallic antimony with high purity was obtained. ... methods have been proposed [1], [2], [3]. Different leaching agents can be used for treatment of stibnite (Sb 2 S 3) ore: ... After 6 h electrolysis, cathodic deposition of. …
Stibnite ore at Wadi Abu Quraiya, situated in the central Eastern Desert of Egypt has been subjected to petrographical, mineralogical, infrared, X-ray diffraction, chemical and spectral analyses. Hydrometallurgical treatment based on leaching with
Sb 2 O 3 ore of the Sefid-Abe mine in Zahedan province, Iran, utilizing selective acidic or alkaline leaching followed by Sb electrowinning. A process was developed to recover antimony from an Sb 2 O 3 ore source, using selective acidic or alkaline leaching followed by antimony electrowinning. Sb could be leached with an …
This paper outlines the hydrometallurgical processing and the various possible approaches for the recovery of metallic antimony from its antimonite sulphide ore by electrolysis.
To avoid the adverse effects of antimony on the cyanide leaching process used for the recovery of gold from refractory gold ore, a cleaner production process was proposed that would selectively ...
Antimony usage is gaining importance in several emerging technologies. • Current technological and market trends of antimony are presented. • Extractive metallurgy for Stibnite ore processing is comprehensively discussed.
A hydrometallurgic and electrochemical process for processing sulfur antimony ores and residues is disclosed, the end products from which are electrolytic antimony and elemental sulfur. 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, …
Main parameters studied were: Na2S concentration, NaOH concentration, pulp density and temperature.After leaching, antimony has been recovered by …
1.. IntroductionGenerally, extraction and recovery of antimony are realised by pyrometallurgy, which involves the evolution of toxic gases into the atmosphere; several hydrometallurgical methods have been proposed [1], [2], [3].Different leaching agents can be used for treatment of stibnite (Sb 2 S 3) ore: mixture of hydrochloric and tartaric …
Antimony ore beneficiation involves a variety of methods to improve the recovery rate of this valuable metal, mainly including gravity separation, flotation, etc.
The residue (calcine) of the liquation process, which contains 15–25% antimony is suitable for treatment in the conventional volatilization roasting process [ 54 …
Antimony purification and recovery processes and their challenges are reviewed. •. Future research and industrial needs are highlighted. Abstract. Developed …
The application of slurry electrolysis for high-arsenic antimony–gold concentrate treatment provides several benefits, including a short treatment process ... The effect of ultrasonic energy on the pretreatment and leaching of gold from the refractory ore was investigated. Firstly, the refractory ore was pretreated with sodium hydroxide ...
2 used anode oxidation during electrolysis to leach sulfide ore. It changes the high-energy-consuming anode reaction into efficient leaching metal directly from slurry, lowers the cell
The process involved acidic and alkaline leaching purification, followed by electrowinning. Factors such as cell voltage, electrode type, applied current, and …
PDF | On Oct 12, 2022, Gerardo Cifuentes published Antimony Recovery by Electro-Electrodialysis (EED) | Find, read and cite all the research you need on ResearchGate
The technology can be divided into diaphragm electrolysis and non-diaphragm electrolysis. For diaphragm electrolysis, sodium hydroxide and sodium thioantimonite are used as anode and cathode electrolytes, respectively. ... Improved gold and sliver extraction from a refractory antimony ore by pretreatment with alkaline …
This study investigated the leaching and electrowinning of antimony from a complex, high arsenic and gold-containing stibnite concentrate ore (As-Au-Sb ore) using slurry electrolysis (SE).
For a high calcium low antimony–goldGold concentrate (Ca–Sb–Au ore), this study proposed to pre-remove antimony using slurry electrolysisSlurry electrolysis in HCl–CaCl2 system.