Separation and recovery of arsenic and alkali products …
In the process of antimony smelting, arsenic in antimony ores can enter crude antimony. Crude antimony is often refined by adding sodium carbonate to remove arsenic, which produces a kind of arsenic-containing residue in this process. Because the soluble components in the residue are alkaline in water, so the antimony smelters call it …
Lead processing
Lead processing - Refining, Smelting, Alloying: To remove and recover remaining impurities from lead bullion, either pyrometallurgical or electrolytic refining is used; the choice between the two methods is dictated by the …
Development of Antimony Smelting Technology in China
"Antimony resources are rich in china, its reserves and productions are ranking the first in the world. The Chinese antimony mineral resources are mainly existed in the form of three types, such as stibnite, antimony-gold ores andjamesonite. The antimonial dust that produced from lead smelting process is an important secondary …
Pollution characteristics and risk assessment of antimony …
Antimony (Sb) and arsenic (As) co-contamination occurs in Sb smelting areas and is harmful to the surrounding ecological environment. The purpose of this study is to explore the spatial distribution characteristics of Sb and As in abandoned Sb smelting area and carry out risk assessments. Soil samples were collected from the smelting …
Antimony Processing: Unlocking the Potential of a Versatile …
The primary sources of antimony extraction are stibnite (antimony trisulfide) and valentinite (antimony xide). The extraction process typically involves several steps, including mining, concentration, and smelting. Mining involves the extraction of antimony-rich ore from underground or open pit mines.
Antimony Extraction from Sulfide Concentrates by Direct …
Recognizing the imperative to address global climate change and promote sustainable development within the industry, the conventional antimony smelting process, characterized by high energy consumption and pollution, is confronted with escalating ecological and environmental pressures. This study proposes a two-stage method for …
Analysis of Antimony Sulfide Oxidation Mechanism in …
Oxygen Side-Blown Smelting Process. A domestic antimony smelting plant adopts a side-blown furnace for oxygen-enriched smelting, and the schematic of the oxygen side-blown antimony smelting process is shown in Fig. 2.The molten pool depth is 1100 ~ 2500 mm, and the oxygen lances are installed at the side of the furnace to blow …
Thermodynamic modeling of antimony removal from …
DOI: 10.1016/s1003-6326(22)66082-5 Corpus ID: 255924606; Thermodynamic modeling of antimony removal from complex resources in copper smelting process @article{Wang2022ThermodynamicMO, title={Thermodynamic modeling of antimony removal from complex resources in copper smelting process}, author={cSong-song …
Preparation of arsenic-antimony from arsenic alkali residue …
Arsenic alkali residue is a hazardous solid waste typically produced during antimony smelting and its comprehensive utilization is relatively difficult, with problems such as low As and Sb recovery rates, incomplete separation, and risks of secondary pollution. To address these problems, this study develops a novel method to treat …
Antimony, a pollutant of emerging concern: A review on …
A significant amount of dust (generated during smelting process inside …
Thermodynamic modeling of antimony removal from …
Therefore, the reaction mechanism and multi- phase distribution behavior of antimony in the smelting process need to be investigated to dissolve antimony in the slag while arsenic volatilizes into Corresponding author: Qin-meng WANG, Tel: +86-731-88876255, E-mail: [email protected] DOI: 10.1016/S1003-6326(22)66082-5 1003 …
Antimony and gold substance flows analysis of pyrometallurgical process
In the process of antimony smelting, Na 2 CO 3 is used to remove the impurity arsenic, and it produces arsenic alkali slag. The main components of arsenic alkali slag are Na 3 SbO 4, Na 3 SbO 3, Na 3 AsO 4, NaAsO 2. The main generation chemical reactions are as follows (Tian et al., 2021).
Antimony isotope fractionation and the key controls in the …
The loss and enrichment of heavy isotopes in the 0–10 cm and 10–25 cm layers of the antimony from smelting source in the polluted soil profile may be controlled by the adsorption process, while the enrichment of light isotopes in the 25–80 cm layer may be related to the reductive dissolution process. ... Compared with the natural source ...
Process and mechanism investigation on comprehensive …
Arsenic-alkali residue is a solid waste produced by the antimony smelting industry, which can pose a threat to the environment and human health. The common wet treatment process of arsenic-alkali residue has a low recovery of valuable elements, incomplete separation of arsenic and alkali, and also produces arsenic-alkali mixed salt, …
Cleaning of high antimony smelting slag from an oxygen …
AbstractCleaning of high antimony smelting slag from an oxygen-enriched bottom-blown was tested by direct reduction in a laboratory-scale electric furnace. The effects of added CaO, mass ratio of coal (experimental) to coal (theoretical) (ω) and the slag type on the reduction procedure were considered. The contents of Sb and Au were …
Antimony smelting process generating solid wastes and dust
Using this treated antimony oxide powder in the traditional antimony …
Separation of Antimony from a Stibnite Concentrate …
The main purpose of this study is to characterize and separate antimony from a stibnite concentrate through a low-temperature sulfur-fixing smelting process. This article reports on a study conducted on the optimization of process parameters, such as flux and zinc oxide weight percentage, in charging, smelting temperature, smelting …
Antimony Extraction from Sulfide Concentrates by Direct …
Recognizing the imperative to address global climate change and promote sustainable …
Extraction Process of Antimony from Stibnite by …
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 …
Antimony Recovery from End-of-Life Products and Industrial Process …
The removal of antimony from antimony dust captured during the direct lead smelting process has been studied by Liu et al. They proposed a pyrometallurgical process based on reduction smelting, alkaline refining, and oxidation to extract antimony from antimony dust and produce Sb 2 O 3 with a purity above 99.8 % .
Modern Tin, Antimony, Bismuth, Cadmium, and Mercury …
The antimony industry in China evolved from the smelting process dominated by reduction roasting to the pyrometallurgical and hydrometallurgical processes dominated by volatilization roasting–reduction smelting, developed a set of advanced mining, processing, and smelting processes such as wall filling (hydraulic prop roof …
Antimony smelting process generating solid wastes and dust
A large amount of solid waste has been produced by the antimony smelting …
New method developed for producing some metals
The MIT researchers were trying to develop a new battery, but it didn't work out that way. Instead, thanks to an unexpected finding in their lab tests, what they discovered was a whole new way of producing …
Recovery of alkali, selenium and arsenic from antimony smelting …
Arsenic-alkali residue is a hazardous waste produced by the refining process of crude antimony in antimony smelting, and contains highly toxic sodium arsenate and a large number of residual alkali. In this study, aiming at the problems of the low recoveries and incomplete separation of arsenic and alkali, the secondary pollution of arsenic-alkali …
Antimony Recovery from End-of-Life Products and Industrial …
The removal of antimony from antimony dust captured during the direct …
Biogeochemical behavior, health risk assessment and source
The study of the contamination patterns and characteristics of Sb and As in the soils of the legacy contaminated sites of antimony smelters is important for the redevelopment and utilization of industrial sites. In this study, 13 heavy metals were determined in the soil and plants of an antimony smelter in Gansu Province to study the …
The Recovery of Pb and Zn in Antimony Smelting Slag
The process of sinter + blast furnace reduction—reverberatory refining—is utilized for metal antimony smelting. With regard to such process, amounts of smelting slag are produced during blast furnace reduction. However, the treatment of such antimony smelting slag will cost a lot. Therefore, such quantities of smelting slag are stored.
Antimony-complexed heavy metal wastewater in antimony …
The lack of advanced technology in antimony mining and smelting has …
Behavior of Tin and Antimony in Secondary Copper Smelting Process
This article investigates the behavior of tin and antimony, both commonly present as trace elements in electrical and electronic waste, in secondary (i.e., sulfur-free) copper smelting conditions. The experiments were conducted in oxygen partial pressure range of 10−10–10−5 atm, covering the different process steps in copper smelting.
Green and Effective Purification of Antimony and …
Noble antimony is the carrier of precious metals in the antimony smelting system and has a very high added value. This study proposes a novel, green, and effective vacuum gasification process ... crucial byproduct of the antimony pyrometallurgical smelting process because of its ability to recover precious metals. Additionally, with the ...