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 …

Antimony (Sb) is ubiquitous throughout the environment as a result of natural processes and human activities. In China, superlarge-, large and medium-sized Sb deposits are concentrated in the Guangxi (34.4%), Hunan (21.2%), Yunnan (12.2%) and Guizhou (10.2%) provinces. Due to Sb mining and smelting processes, large quantities …

DOI: 10.1016/j.scitotenv.2019.136354 Corpus ID: 211101034; Antimony and arsenic speciation, redox-cycling and contrasting mobility in a mining-impacted river system. @article{Johnston2020AntimonyAA, title={Antimony and arsenic speciation, redox-cycling and contrasting mobility in a mining-impacted river system.}, author={Scott …

The mining and smelting of antimony will inevitably have a significant impact on the surrounding and downstream farmlands of the mining area, Therefore, it is …

The physical and chemical properties of different soils (mining waste dumps, flotation tailings, and smelting slag) and depths (0-20 cm, 40-60 cm, and 80-100 cm) were compared. The results showed that antimony (Sb) and arsenic (As) were the main pollutants, and their concentrations were 5524.7 mg/kg and 3433.7 mg/kg, respectively.

Mineralization and historical mining of stibnite (antimony sulfide), tungsten, gold, silver, and mercury in the headwaters of the East Fork of the South Fork Salmon River (EFSFSR) near the former town of Stibnite in central Idaho resulted in water-quality impairments related to mercury, antimony, and arsenic. Additionally, mining-related disturbances …

Area surrounding a gold–antimony mine: A horizon samples up to 7.5 km from tailing dam (in prevailing wind direction)11.9–710: Previous mining activities: Low levels of water–soluble Sb: 27.7–15,100: Previous mining activities: Shoots and leaf accumulation for 3 species of up to 1160 and 1370 mg kg − 12.5–237: Previous mining …

Assessments of antimony (Sb) and arsenic (As) contamination in sediments are reported on a wide range of different particle size fractions, including <63 μm, < 180 μm and <2 mm. Guidelines vary between jurisdictions which limits comparative assessment between contamination events and complicates ecotoxicity assessment, and almost no …

19 Citations. 1 Altmetric. Metrics. Xikuangshan (XKS) is the world's largest antimony mining region, and its exploitation for hundreds of years has also resulted in …

The antimony mine area in Lengshuijiang City, Hunan Province, is a nonferrous metal mining area. Its geographical coordinates range from (N27°45′, E111°29′).The total area of the mining area is 63 km 2, located in the central region of Hunan Province.It has a subtropical monsoon climate characterized by mild temperatures and abundant rainfall.

Antimony (Sb) has received increasing attention recently due to its toxicity and potential human carcinogenicity.In the present work, drinking water, fish and algae samples were collected from the Xikuangshan (XKS) Sb mine area in Hunan, China.Results show that serious Sb and moderate arsenic (As) contamination is present …

The results of ecological risk assessment showed that the antimony mining area was seriously polluted by Sb, As, Pb, and Cd, and had strong ecological risk, and Sb and Cd were the most important pollution factors, which indicated that the pollution of Sb and Cd should be a major concern of relevant departments of environment and health. ...

A 2020 feasibility study on the project showed proven and probable mineral reserves totalling 104.6 million tonnes grading 1.43 g/t gold and 0.06% antimony, …

Antimony (Sb) is a toxic and carcinogenic heavy metal, and main group V with an atomic weight of 121.75 in periodic table element (Johnston et al. 2020), and its outer-orbital electron configuration is s 2 p 3.Therefore, Sb is considered to be the primary pollutant of both the United States and European Union (Montserrat et al. 2002).Sb …

Thus, water quality within the Kantishna Hills region of Denali is of concern due to the presence of antimony-rich mineral deposits and the legacy mining operations that exposed them to oxidation. Each red dot on the map indicates a site where water and stream sediment were collected from Stampede Creek and its tributaries, both up- and ...

ANTIMONY. (Data in metric tons of contained antimony unless otherwise noted) Domestic Production and Use: In 2021, no marketable antimony was mined in the United States. …

Accuracy of digestion was determined using NIST SRM 2976 – mussel tissue (more information in Section 2.5. quality assurance and quality control). ... The distinction between ore processing and post-depositional transformation on the speciation of arsenic and antimony in mine waste and sediment. Chem Geol, 283 (2011), pp. 109-118.

Monitoring the ecological quality of mining area can better understand the destruction of ecological environment in mining area, to specify the appropriate restoration strategy. ... Remote sensing dynamic monitoring and evaluation of ecological environment quality in Xikuangshan antimony mining area. Environ. Sci. Technol., 43 (2020), pp. …

1. Background. Antimony is a silvery, white, brittle, crystalline solid that exhibits poor conductivity of electricity and heat. It has an atomic number of 51, an atomic weight of 122 and a density of 6.697 kg/m 3 at 26 °C. Antimony metal, also known as 'regulus', melts at 630 °C and boils at 1380 °C.Antimony and the natural sulfide of …

Antimony mining activities can result in serious contamination of soil by heavy metals, which represents a risk to human health. In this study, the contamination and sources of 14 heavy metals, and their risks to both ecosystem and public health from these metals at an antimony mining site in Guizhou Province in China were explored. The …

Air quality tests indicate that, while some areas with active mining enterprises enjoy reasonable air quality (e.g., ... [241,242,243,244,245,246] have recorded elevated Sb levels in the blood and urine of workers exposed to antimony in mining and industrial settings. Given that the only form of exposure in these studies involved …

Mineralization and historical mining of stibnite (antimony sulfide), tungsten, gold, silver, and mercury in the headwaters of the East Fork of the South Fork Salmon River (EFSFSR) near the former town of Stibnite in central Idaho resulted in water-quality impairments related to mercury, antimony, and arsenic. Additionally, mining-related …

1. Introduction. With the development of antimony mines and the expansion and development of their mining areas, the health of antimony mining villages' inhabitants is deteriorating (Jiang et al., 2020), and the pollution of toxic elements in the rural topsoil and its environmental safety have attracted widespread attention.In addition, Sb and its …

The main objectives of this study are: (1) to assess the soil resilience level at the XKS antimony smelting site using the modified NPI method based on the MDS model, which …

Introduction. The metalloid antimony (Sb) is an element of growing environmental concern. Its rapid growth in industrial use (e.g. flame retardants, alloys, pigments, semiconductors) is associated with an increased and often uncontrolled release of Sb compounds into the environment, e.g. mining and smelting activities, incineration …

Antimony Mining. +86. [email protected] Inquire Now. Description. A native element, antimony metal is extracted primarily from stibnite, which contains 72 percent antimony and 28 percent sulfur. Stibnite is mined in only a few countries, with China being its largest producer. Antimony is used for many technological and industrial ...

To understand contamination characteristics and identify sources of heavy metals in soil affected by complex mine activities, a detailed survey of soil heavy metals from different land cover types was investigated around the Xikuangshan (XKS) antimony mine in south-central China. Soil samples had average concentrations of Sb, As, Cd, Cr, …

Deep in the Salmon River Mountains, an Idaho mining company, Perpetua Resources, is proposing a vast open-pit gold mine that would also produce 115 million pounds of antimony — an element that ...

What the effect of this discovery will be on the global antimony market is hard to guess. Antimony, together with others such as cobalt, gallium, germanium, zirconium, rhenium, titanium, tungsten and the rare earth metals, is classed as a 'minor' metal, and world antimony production does … See more

MIT's accidental smelting discovery unlocks the potential of antimony. The ancient Egyptians used it in black eye make-up and alchemists marvelled at antimony's semi-metallic properties. Now, a groundbreaking smelting technique could open up new opportunities for antimony, as well as other metals. Nnamdi Anyadike …