Antimony toxicity in soils and plants, and mechanisms of its
Antimony (Sb) is a non-essential element for plants, animals, and humans. With increased anthropogenic inputs from mining and industrial activities, ore processing, vehicle emissions, and shooting ...Web
اقرأ أكثرAntimony(III) oxidation and antimony(V) adsorption reactions on
Introduction. Antimony (Sb) is consumed in large quantities (>100,000 tons annually worldwide) in a variety of industrial products (Leuz et al., 2006a), e.g., flame retardants, catalysts, ceramics, batteries, and alloys.Elevated concentrations of Sb in soils and water have been detected around mining and smelter areas, along road sides …Web
اقرأ أكثرAvailability, Toxicology and Medical Significance of Antimony
2. Mineralogy, Geochemistry, and Availability of Antimony. It is necessary to understand the geological properties of antimony in order to properly assess the impact of related geological processes on public health [28,29].Antimony exists naturally in the Earth's crust and is released into the environment via both natural and mining–industrial …Web
اقرأ أكثرRemoval of antimony(V) and antimony(III) from drinking water by
Consequently, mining and industrial activities contribute to the continuous migration of antimony into aquatic environments, influencing the Earth's biogeochemical cycle. Given China's status as the primary global exporter of antimony, the country confronts the challenge of water pollution arising from intensive antimony mining …Web
اقرأ أكثرA Review on Pyrometallurgical Extraction of Antimony …
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 …Web
اقرأ أكثرAntimony, a pollutant of emerging concern: A review on industrial
Phytoremediation is a viable solution for the remediation of antimony contaminated soil around the antimony mining sites. The colonised species Herba …Web
اقرأ أكثرHow a gold-stibnite restoration in Idaho could add …
According to Perpetua's January 2021 FS, the project has total proven and probable mineral reserves of 104.6 million metric tonnes (Mt) grading 1.43 grams per tonne gold. The mineral reserves ...Web
اقرأ أكثرMIT's accidental smelting discovery unlocks the potential of …
The traditional method of producing antimony metal is through heat smelting. However, researchers at MIT claim to have accidentally stumbled upon a new …Web
اقرأ أكثرKoncern ''Farmakom '' d.o.o. | LinkedIn
mining with the antimony, lead, zinc and nonmetal mines: Antimony mines: Zavorje mine Štira mine Brasina mine Dolić mine Kik mine Rujevac mine Stolice mine Lead and antimony mines: Rajićeva ...Web
اقرأ أكثرThe Legacy of Potential Environmental Soil Contamination in an Antimony
In the Valongo Belt, with an extension of about 90 km, located very close to Porto, northern Portugal, dozens of ore deposits of various metallic minerals and coal were exploited in the 19th and 20th centuries. One of the metals most intensely exploited was antimony, with or without associated gold mineralization. This research intends to verify the extent of the …Web
اقرأ أكثرRemoval of antimony from antimony mine flotation wastewater by
Antimony mining areas generate a large amount of wastewater containing complex heavy metals, which poses a threat to the health of residents and surrounding flora and fauna, and disrupts the ecological balance. ... (CRMs) recovery from mining, mineral processing and metallurgical residues, industrial solutions, and acid mine drainage. …Web
اقرأ أكثرAntimony contamination, consequences and removal techniques: …
All of antimony and antimony compounds have toxicity to the human body. Furthermore, the sources of Sb pollution are diverse. For example, natural weathering of Sb ore, mining, smelting, the burning of fossil fuels and the wide use of antimony compounds increase the concentration of Sb in the geochemical environment, causing atmosphere, …Web
اقرأ أكثرAntimony-complexed heavy metal wastewater in antimony mining …
open access • The current status of Sb pollution in wastewater from antimony mining areas has been critically reviewed. • A comprehensive discussion has been …Web
اقرأ أكثرLeaching Mechanism and Health Risk Assessment of As and Sb …
The results showed that: (1) SiO 2 was the main component of the Zuoxiguo and Qinglong antimony mining tailings; notably, Sb 2 S 3 and FeS 2 were identified in the tailings of the Zuoxiguo antimony mine. The average content of Sb in the Zuoxiguo and Qinglong tailings was 5902.77 mg/kg and 1426.43 mg/kg, respectively, while that of As was 412.53 ...Web
اقرأ أكثرRhizosphere Microbial Communities and Geochemical …
Rhizosphere Microbial Communities and Geochemical Constraining Mechanism of Antimony Mine Waste-Adapted Plants in Southwestern China. Xiaofeng Xie, 1 Shangyi Gu, 1, 2, * Likai Hao, 3, * Tianyi Zhang, 1 and Zidong Guo 1 ... and the experimental vessels were soaked in 10% nitric acid solution for more than 24 h in …Web
اقرأ أكثرAntimony distribution and mobility in rivers around the world's …
Mining and smelting activities of the world largest Antimony (Sb) mine which is located at Xikuangshan area of Hunan Province, China, constitute important sources of Sb pollution throughout the rivers in or around the mine. Water samples show high levels of Sb (2–6384 µg/l) relative to the average concentration of the world rivers (1 µg/l) and it …Web
اقرأ أكثرTreating of antimony mine drainage: challenges and
Finally, based on biogenetic iron oxide adsorption and sulfate reducing bacteria followed by precipitation, the paper suggests an alternative treatment for antimony mine drainage that deserves ...Web
اقرأ أكثرInvestigation of Alkaline Leaching Parameters on Stibnite
According to critical statistical studies, antimony is one of the rarest elements in the world, and global resources could be exhausted by 2050. In light of these observations, its extraction will be costly due to poor-quality ore, deep mining, remote locations, and high energy consumption. In the present study, an alkaline leaching …Web
اقرأ أكثرAntimony
Former Lake George Mine The former Lake George antimony mine (17 on Fig. 1), located 45 km west of Fredericton, occurs within rocks Figure 1. Geological map showing the antimony deposits and significant occurrences in New Brunswick. The numbers in brackets refer to the Unique Record Number in the New Brunswick mineral occurrence database. …Web
اقرأ أكثرNon-toxic, no-waste process technology for antimony recovery
Antimony is primarily obtained from mining ores (rocks and sediment containing antimony together with minerals or metals). Most of the world's antimony comes from China, and European companies require an alternative solution. EU-funded researchers working on the Stibiox project have developed patented eco-friendly process …Web
اقرأ أكثرMicrobial community structures and their driving factors
The norank_c_Acidobacteria is one of the top five genera found in gold mining areas [56]. In the typical antimony ore smelting area in the south of China, at the genus level, the bioindicators ...Web
اقرأ أكثرFrontiers | Heavy metal pollution characteristics and potential
China is the largest antimony resource globally. 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 necessary to understand the pollution characteristics of antimony and evaluate its potential environmental risks. In this paper, …Web
اقرأ أكثرEffective adsorption of antimony from aqueous solution by cerium
The Xikuangshan antimony mine in Hunan Province, China, has been reported that the Sb concentration in the soil ranged from 100.6 to 5045 mg/kg, which were as high as 7 mg/L in the surface water and well water [6]. Antimony in water mainly exists in the forms of Sb(III) in anoxic environments and Sb(V) in aerobic systems [7].Web
اقرأ أكثرSpatial Distribution and Environmental Risk of Arsenic and Antimony …
Large amounts of As and Sb resources are located in southwest China (He et al. 2019).Thus, the background values of As and Sb in southwest China are relatively high (Tian et al. 2014).Arsenic and Sb pollution is a serious issue due to the existence of many large-scale antimony mining activities in china (Hu et al. 2016).The Qinglong antimony …Web
اقرأ أكثرRemoval of antimony from concentrated solutions with focus on
The precipitation of antimony (Sb) from acidic aqueous solutions (6 g·L − 1 Sb) as ferric antimonate, FeSbO 4 (tripuhyite), its further crystallization by hydrothermal or calcination treatment and the determination of its degree of stability were investigated. The precipitation was studied over the pH range 1.5–5.3 at 95 °C via the oxidation of Sb(III) …Web
اقرأ أكثرOrigin and geochemical significance of antimony in Chinese coal
The antimony isotopic composition of the samples is reported as ε 123 Sb in per mil (ε): (1) ε 123 Sb = 123 Sb / 121 Sb sample 123 Sb / 121 Sb standard − 1 × 10,000. Antimony-containing solution produced by the National Institute of Standards and Technology, U.S. (NIST SRM 3102a) was chosen as the reference standard for Sb …Web
اقرأ أكثرAntimony Mining | Processing Equipment | Flow Chart …
Antimony Mining. 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 …Web
اقرأ أكثرAntimony Recovery from End-of-Life Products and Industrial …
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 …Web
اقرأ أكثرHeavy metal pollution and ecological risk assessment of
The pollution of heavy metals and their harm to human health and the ecological environment have caused widespread concern. In this research, we collected Qinglong antimony mine tailings (8-meter deep) and then analyzed the content changes, geochemical behavior, and ecological risk assessment of 7 heavy metals (Sb, As, Cr, …Web
اقرأ أكثرAvailability, Toxicology and Medical Significance of Antimony
The extensive mining and use of antimony have led to its introduction into the biosphere, where it can be hazardous, depending on its bioavailability and absorption. ... which was developed in the 1930s by F.E. Mohs, who observed that a 20% solution of zinc chloride caused cellular death but preserved the general histological structure . The ...Web
اقرأ أكثر