Environmentally Friendly Leaching of Antimony …
The extraction of antimony from ore is usually conducted via either hydrometallurgical or pyrometallurgical methods. While both approaches have their advantages and disadvantages, …
A hydrometallurgical process for the separation and recovery of antimony
This study aimed to introduce a comprehensive process for separating and recovering antimony from a complex stibnite concentrate. Antimony is first leached through a chlorination–oxidation procedure to obtain SbCl 3 solution. Antimony is then recovered in the forms of cubic crystal Sb 2 O 3 (99.9%), high-purity cathode antimony …
METHODS FOR PROCESSING OF ANTIMONY …
remove antimony from ores and concentrates containing gold. The use of one or another method of processing antimony-containing ores and concentrates depends on the …
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Antimony metal is recovered from ore primarily by pyrometallurgical techniques. Either antimony(III) sulfide is converted into the oxide, which is then reduced, or the ore is partially roasted and allowed to react with sulfide to form the metal and sulfur dioxide. Sulfide ores with antimony contents between 5 and 25% are roasted to give ...
A New Pyrometallurgical Recycling Technique for Lead …
An innovative lead recycling process from scrap lead-acid battery paste is presented. The novelty in the process is avoiding SO2 generation and emission by using reductive sulfur-fixing technique. Iron-bearing secondary wastes produced from metallurgical industry were utilized as sulfur-fixing agent to capture sulfur in the form of FeS (s) instead of …
Antimony, a pollutant of emerging concern: A review on …
Antimony is produced through pyrometallurgical or hydrometallurgical routes. In pyrometallurgy, three different methodologies, according to the ore grade (i.e., …
Advancements in the separation, purification, and smelting …
This technique uses an alkaline melt (Na 2 CO 3, NaOH) as the medium and operates at temperatures below those of traditional pyrometallurgical processes (not exceeding 900 °C), producing pure metals (including low-melting-point heavy metals such as Bi, Pb, Zn, Cd, Sn, and Sb, as well as high-melting-point metals like Cu, Ni, and Co) …
Common Primary Antimony Minerals. | Download …
Antimony-containing slags are derived from the smelting and refining processes of antimony and lead production. Of particular note are the arsenic-alkaline slag (Guo et al. 2014;He et al. 1989 ...
Extraction Process of Antimony from Stibnite by Electrothermal
The saturated vapour pressure of antimony and its sulphide and oxide at different temperatures are shown in Fig. 2.As can be seen from Fig. 2, as the temperature increases, the saturated vapour pressure of Sb 2 S 3, Sb 2 O 3 and Sb increases gradually, and the growth trend of Sb 2 S 3 is the most rapid. When the temperature is below 1201 …
A kind of technique for producing mao antimony
The invention provides a kind of technique for producing mao antimony, comprise the following steps that：Raw ore containing antimony 3% 5% by flotation, leach, obtain leachate and leached mud, leached mud is used as raw materials for metallurgy after lean solution and clear water washing, once washing liquid and leachate use as electrolysis …
A Review on Pyrometallurgical Extraction of Antimony from …
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 …
Clean antimony production from stibnite concentrate with …
Pyrometallurgical techniques for antimony production have been reported, such as reductive smelting (Chen et al., 2005; Tang et al., 2003), reduction roasting smelting (Ouyang et al., 2018, 2019a), direct-reductive smelting (Berdikulova et al., 2018) and alkaline smelting (Margulis, 2000; Xu and Wu, 1997). Most of them, however, are …
A Review on Pyrometallurgical Extraction of …
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 ...
A hydrometallurgical process for the separation and recovery of antimony
In this study, a comprehensive hydrometallurgical process for the separation and recovery of antimony from a complex stibnite concentrate was introduced (Fig. 2).In this process, antimony can be recovered in the forms of Sb 2 O 3, high-purity cathode antimony, crude cathode antimony, high-purity SbOCl, high-purity antimony, and …
Antimony, a pollutant of emerging concern: A review on …
Antimony is produced through pyrometallurgical or hydrometallurgical routes. In pyrometallurgy, three different methodologies, according to the ore grade (i.e., antimony content), is used. ... Analytical techniques and methods used for antimony speciation analysis in biological matrices. J. Anal. At. Spectrom., 23 (10) (2008), pp. …
Lead Refining Plant:(Pyrometallurgical techniques)
Lead Refining Plant:(Pyrometallurgical techniques) The Lead Bullion is fed into a refining kettle. Lead bullion contains many other metallic impurities including antimony, arsenic, copper, tin and zinc. Refining Process of Lead in Detail: a. Removal of Copper Copper is the first of the impurities to be removed.
Mechanical Activation of Antimony Sulfide Concentrates …
Download Citation | Mechanical Activation of Antimony Sulfide Concentrates Combined with Pyrometallurgical Chlorination | Research on a combined method of chlorination roasting of a mechanically ...
Hydrometallurgical processes of antimony extraction …
Data concerning the preparation of antimony and complex ores by pyrometallurgical and hydrometallurgical methods, as well as results on developing a procedure for the hydrometallurgical processing of slime antimony concentrates using chloride dealkalization, have been presented.
Mechanical Activation Of Antimony Sulfide …
Solozhenkin PM (2011) Problems of heap leaching of complex gold-antimony and mercury-antimony ores. Non-Ferrous Metallurgy pp. 473-484. Extraction of metals from sewage and …
Extraction Process of Antimony from Stibnite by …
The saturated vapour pressure of antimony and its sulphide and oxide at different temperatures are shown in Fig. 2.As can be seen from Fig. 2, as the …
Major applications of antimony (adapted from [4]).
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 ...
A New Pyrometallurgical Process for Producing Antimony …
Antimonial dust is a by-product of lead smelting and an important material for extracting antimony. A new pyrometallurgical process for producing antimony white from the antimonial dust is reported. The process mainly consists of three steps, which are reduction smelting, alkaline refining, and blowing oxidation. First, the reduction smelting …
Antimony and gold substance flows analysis of pyrometallurgical …
1. Introduction. Antimony is one of China's four strategic resources, mainly used in flame retardant, alloy, medicine, electronic materials and other fields (Yang and Wu, 2014; Guo et al., 2017).The United States Geological Survey (USGS) shows the world antimony output will reach 110,000 tonnes, of which China will account for 60,000 …
Hydrometallurgically Treating Antimony-Bearing Industrial …
Pyrometallurgical Antimony Oxide Plant Residue Head Sample Assay. Cu,% Sb, % Pb,% Au, % Ag, % 12.0 63.0 18.0 2.4 3.1 . Table 17. Leach Testing Conditions. ... XRD and XRF techniques, UV/visible ...
Kinetic studies for sulfur-fixing and roasting reduction of antimony …
Pyrometallurgical techniques for antimony production have been reported, such as reductive smelting (Chen et al., 2005; Tang et al., 2003), reduction roasting smelting (Ouyang et al., 2018, 2019a), direct-reductive smelting (Berdikulova et al., 2018) and alkaline smelting (Margulis, 2000; Xu and Wu, 1997). Most of them, however, are …
Comprehensive recovery of arsenic and antimony from arsenic-rich …
The pyrometallurgical processes cause serious environmental pollution and low comprehensive recover rate of valuable metals, such as arsenic is readily volatilized as As 2 O 3 and collected in flue dust (Thornton et al., 2009).Therefore, in view of these disadvantages, arsenic and antimony is primarily removed by hydrometallurgical …
Selective leaching of arsenic and antimony from a …
Section snippets Methods of pre-treating As/Sb rich sulphide ores/concentrates. In an attempt to upgrade sulphide concentrates rich in arsenic and antimony for pyrometallurgical processing, selective flotation of enargite, tetrahedrite and tennantite from other copper sulphides such as covelite (CuS), chalcopyrite (CuFeS 2), …
Antimony contamination, consequences and removal techniques…
Antimony and antimonide are dangerous substances with chronic toxicity and potential carcinogenicity, once it enters the supergene environment, it will cause toxic effects to the animal and plant body (He et al., 2012).Antimony and antimonide enter into human beings through the pathway of the respiratory tract, digestive tract, and skin (Fig. …
Antimony and Antimony Compounds
The article describes the properties, production, and usage of the element antimony and its primary compounds. Stibnite, which is referred to as crude antimony when its Sb 2 S 3 content is above 90 %, has a low melting point and it can be extracted by melting (liquidation). Antimony metal is recovered from ore primarily by …
(PDF) Pyrometallurgy
The technique route includes three stages: arsenic and antimony xides were leached from the copper smelter dust with hydrochloric acid; trivalent arsenic ions (As³⁺) were then reduced to ...