Recovery of antimony from acidic and alkaline leaching solution of low-grade antimony ore by electrowinning process Seyed Ali Akbar Sajadi a, *, Zeynab ... Rectifier device model ARMA and a Multi-output DC power supply was used for electrolysis process. In alkaline electrowinning system, a steel sheet electrode (genus L316) with dimensions of 4 ...
The raw antimony gold concentrate used for the tests was analyzed and the details were summarized in Table 1.This ore was leached in a Ф2000 × 2500 leaching tank and the resultant slurry was filter using a 250 m 2 pressure filter to obtain both solid (gold concentrate) and liquor (antimony leach solution, typical components seeing Table 2).
1. Introduction. Antimony is one of the 30 raw materials listed as critical for the European Union, which is import reliant for antimony (European Commission, 2020a).Various national governments also designate antimony as a strategic and critical material, including the governments of Australia, Russia, the United Kingdom, and the …
The methods on the recovery of antimony from SbCl 3 acidic solutions are as below : (1) Hydrolysis. Sb 3+ can be precipitated in the form of SbCl 3, SbOCl and Sb 2 …
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 slurry electrolysis (SE). The results indicated that the leaching efficiency of antimony was higher than 98%, and those of iron and arsenic were about 5.50% and …
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, …
DOI: 10.1016/J.HYDROMET.2017.03.014 Corpus ID: 99624322; A selective process for extracting antimony from refractory gold ore @article{Yang2017ASP, title={A selective process for extracting antimony from refractory gold ore}, author={Tian-zu Yang and Rao Shuai and Wei-feng Liu and Duchao Zhang and Chen Lin}, journal={Hydrometallurgy}, …
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 concentrates, arsenic is easily removed into the offgas while antimony is not readily removed due to its lower partial pressure and high affinity for ...
Antimony recovery from stibnite ore by FeCl 3 ... Similar studies were made where the leaching agent in the slurry electrolysis system was hydrochloric acid (HCl) and sodium chloride (NaCl). The recovery of Sb metal from the electrolytic cell was above 98% at the optimum conditions: ...
(1) Hand selection The hand selection process of antimony ore is carried out by utilizing the differences in color, luster and shape between antimony-containing mineral deposits and gangue in antimony ore. Although this method is primitive and labor-intensive, it still has special significance when used in antimony ore beneficiation.
pyrometallurgy has the shortages of lower recovery of antimony and lead, higher energy loss, and serious pollution of SO 2 ... used anode oxidation during electrolysis to leach sulfide ore. It ...
Fig. 1 Distribution of antimony ore production in 2010 (196,484 t), using data compiled by Roskill [3] Primary Sb ores Sb metal (China 80-90%) Sb concentrates ... antimony production routes through recycling and recovery of antimony-containing waste (Color figure online) J. Sustain. Metall. (2016) 2:79–103 81 123. and having less issues with ...
It can be seen from Eq. () that Sb 2 S 3 is deposited on the surface of gold particles, forming a dense product layer and hindering the diffusion of CN − and O 2 to the gold particles, leading to low leaching ratio [3, 4].Effect of Antimony on Pretreatment Process. The melting point of antimony compounds, generated in the roasting process …
This paper reviews the current practices and evolving processes for extracting antimony from primary resources using pyrometallurgical methods. It covers …
Recovery of gold from refractory ores requires a pretreatment to liberate the gold particles from the host mineral. In particular, in the case of stibnite (Sb 2 S 3), the antimony (Sb) forms stable compounds with sodium cyanide (NaCN) during the cyanidation process; as a consequence, cyanide consumption increases. Pretreatment …
Stibnite can occur as a main deposit or can be found associated with other type of ore deposits. Antimony recovery from stibnite – extractive metallurgical …
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).
Recovery of antimony from acidic and alkaline leaching solution of low-grade antimony ore by electrowinning process ... the Sb precipitate obtained and collected from the bottom of electrolysis ...
This study proposes a two-stage method for the efficient and thorough extraction of antimony through direct electrolysis from sulfide concentrate in molten salt. Our focus …
A complete technological process for extracting antimony from refractory gold ore was proposed. ... Under these conditions, the antimony recovery reached 96.64%. The yield and antimony content of the leaching residue were 92.0% and 0.23%, respectively. Compared with the leaching of clairite ...
A review of the technologies for antimony recovery from refractory ores and metallurgical residues. ... The application of slurry electrolysis for high-arsenic antimony–gold concentrate treatment provides several benefits, ... Improved gold and silver extraction from a refractory antimony ore by pretreatment with alkaline sulphide leach. O ...
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).
DOI: 10.1016/S0304-386X(00)00107-9 Corpus ID: 98163036; Process flow-sheet for gold and antimony recovery from stibnite @article{Ubaldini2000ProcessFF, title={Process flow-sheet for gold and antimony recovery from stibnite}, author={Stefano Ubaldini and Franc Vegli{`o} and Pietro Fornari and Carlo Abbruzzese}, …
This study aims to characterize stibnite tailings and develop a hydrometallurgical process for the recovery of antimony, arsenic, and iron and the …
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 concentrates, arsenic …
Semantic Scholar extracted view of "Electrochemical recovery of antimony and bismuth from spent electrolytes" by V. R. C. Thanu et al. ... electrolysis time, flow rate of the … Expand. 16. Save. Purification of Industrial Copper Electrolyte from Bismuth Impurity. Patrycja Kowalik D. Kopyto ... Ozonation leaching of a complex sulfidic antimony ...
antimony ore electrolisis recovery in indonesia. Webantimony ore electrolisis recovery . Industrial Minerals. Sep 03, 2021 0183 32 The price of antimony xide fob China maintained its uptrend in the seven days to Tuesday November 3 on the back of tight domestic antimony ore supply in China and a recovery in demand Read More …
However, the content of bismuth and antimony in the deposit in each stage was different. As a result, the rate of recovery of antimony was higher than bismuth. At the end of 8 h of electrolysis, close to 83% of antimony and 49% of bismuth originally present in the electrolyte were recovered. Kinetics of iron deposit showed close to 80% recovery.
Often, a combination of techniques is employed to maximize the recovery of antimony from the ore. (Antimony Extraction Flowchart) 03 Refining Techniques Back. ... This method is similar to electrolysis and is commonly employed in the refining of metals. In electrorefining, impure antimony is dissolved in a suitable electrolyte solution, and ...
DOI: 10.1016/J.HYDROMET.2019.04.026 Corpus ID: 150110101; Extracting antimony from high arsenic and gold-containing stibnite ore using slurry electrolysis @article{Yonglu2019ExtractingAF, title={Extracting antimony from high arsenic and gold-containing stibnite ore using slurry electrolysis}, author={Zhang Yonglu and Chengya …
This paper outlines the hydrometallurgical processing and the various possible approaches for the recovery of metallic antimony from its antimonite sulphide …
DOI: 10.1016/J.CHERD.2020.09.029 Corpus ID: 224863309; Leaching Kinetics of Antimony from Refractory Gold Ore in Alkaline Sodium Sulfide under Ultrasound @article{Hu2020LeachingKO, title={Leaching Kinetics of Antimony from Refractory Gold Ore in Alkaline Sodium Sulfide under Ultrasound}, author={Yuting Hu and Ping Guo and …
At the same time, research is still ongoing to optimize the primary production of antimony from stibnite ore and to reduce the amount of (toxic) waste streams [7, 16, 25,26]. Yang et al. [25], for ...
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 remove antimony as sodium pyroantimonate. The process included three steps: 1) leaching of antimony from the refractory gold ore with sodium …
This paper reviews the state-of-the-art technologies for the antimony separation and recovery from refractory ores and metallurgical residues. The …
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 …
Under the conditions, more than 98% of antimony was extracted from tin anode slime, wherein the antimony was converted to liquid sodium thioantimonate, which was then converted into Na3SbS4(H2O)9 ...
Efficient recovery of antimony from plastics requires adapted screening and sorting methods to identify plastics with high antimony contents. X-ray fluorescence …