قائمة الطعام

antimony ore environment

  • Antimony

    PDF. Tools. Share. Summary. Antimony has a range of industrial uses in batteries, chemicals, ceramics and glass but by far the most important is in fire …

  • A review on distribution, biogeochemistry of …

    Antimony is a semi-volatile element that can easily migrate into the environment during processes such as smelting antimony ore, garbage incineration, …

  • Correlation between microbial diversity and geochemistry of

    Antimony spec iation in the environment: Rece nt advances in understanding the bioge ochemic al proce sse s and ecological effect s. J. Environ. Sci. 75. doi: 10.1016/j.jes.2018.05.023.

  • Antimony as a global dilemma: Geochemistry, mobility, fate …

    2.2. Toxicology and epidemiology. Antimony has been recognized as one of the genotoxic elements; thus it is not considered as an essential element either in plants or animals (Smichowski, 2008).The permissible limits of Sb in drinking water as recommended by the United States Environmental Protection Agency (USEPA) and European Union …

  • Accumulation and transport of antimony and arsenic in

    Antimony in the environment comes from natural processes (ore weathering, volcanic activity) and human activities (mining and smelting, use of antimony containing products, fossil fuel combustion ...

  • CSIRO PUBLISHING | Environmental Chemistry

    Environmental context. Phytoremediation requires an understanding of bioconcentration and translocation processes that determine behaviour and fate of potentially toxic elements. We studied the distribution of antimony and arsenic in terrestrial and aquatic soil-plant systems in an antimony ore zone.

  • Frontiers | Heavy metal pollution characteristics and …

    The soil around the Xunyang antimony mine was mainly polluted by Sb with a concentration of 19.49 times of the national limit standard and a potential ecological …

  • Effects of antimony on the soil enzymes, microbial, and …

    1. Introduction. China currently holds 70–80% of the world's antimony stockpile [Citation 1], with 3.28 million tons of antimony ore reserves identified [Citation 2].With China's rapid economic development, large amounts of antimony have entered the environment [Citation 3, Citation 4].Antimony concentrations in the Taipu River basin in …

  • Antimony | U.S. Geological Survey

    The most common antimony ore mineral is stibnite (Sb2 S3 ), but more than 100 other minerals also contain antimony. The presence of antimony in surface waters …

  • Antimony contamination and its risk management in …

    Abstract. Antimony (Sb) is introduced into soils, sediments, and aquatic environments from various sources such as weathering of sulfide ores, leaching of mining wastes, and anthropogenic activities. High Sb concentrations are toxic to ecosystems …

  • Antimony Mobilization through Two Contrasting Gold Ore …

    Antimony, a toxic metalloid similar to arsenic, is present at variable levels in most gold-bearing rocks. Antimony is soluble in the surface environment, so antimony (Sb) mobilization in mine waters is an environmental issue around gold mines. The Reefton gold mine was originally developed in gold-bearing quartz veins; Sb …

  • Economic geology and environmental characteristics …

    Economic geology and environmental characteristics of antimony deposits. July 1, 2021. Antimony is commonly listed as a critical mineral, particularly in the United …

  • Metallogenic characteristics and resource potential of antimony …

    The characteristics of Sb ore resources in China are: (1) Abundant resources. China has abundant resources of Sb. By the end of 2018, more than 3,276,800 t of Sb metal resources had been identified throughout China ( Ministry of Land and Resources People's Republic of China, 2019 ).

  • Resilience in the antimony supply chain

    Most supply was coming from the Chinese stibnite mines (mainly the Xikuangshan mine), stibnite is the most common antimony ore mineral, ... be considered that antimony is a heavy metal that can have a negative impact of human health and can cause significant environmental pollution, both by mining (Wang et al., 2010) ...

  • Minerals | Free Full-Text | Antimony’s Significance as …

    Antimony is widely acknowledged as a critical raw material of worldwide significance, based on its recognition by many countries. According to current projections, there is an anticipated increase in the demand for antimony in the forthcoming years. An issue of significant concern within the supply chain, which poses a substantial obstacle to …

  • The Solubility of Antimony (Sb) in Liquid Hydrocarbons and …

    Orogenic antimony-gold deposits contribute significantly to the global antimony resource base. China's orogenic antimony-gold deposits are primarily in southern Tibet. Investigations indicate that antimony combines and migrates with sulfur hydroxides in ore-forming fluids. Previous research on fluid inclusions in orogenic …

  • Antimony in the environment: Lessons from geochemical mapping

    The two oxidation states +3 and +5 predominate in environmental samples. Antimony has two naturally occurring stable isotopes ( 121 Sb and 123 Sb) with abundances of 57.21% and 42.79%, respectively. There are 42 unstable isotopes with rather short half-lives (max. 2.76 a). Antimony is a chalcophile element.

  • Dynamic material flow analysis of antimony resources in China

    The environmental pollution of antimony tailings remains an issue and needs to be eliminated. ... (USGS), the mining life of antimony ore is lower in China (4.9 years) than the global average (11 years). The rapid economic development has induced the continuous growth of demand for antimony, which may aggravate the depletion of …

  • Antimony Mobilization through Two Contrasting …

    Antimony is a metalloid that chemically behaves in the environment like arsenic (Filella et al. 2002; Mok and Wai 1990; Vink 1996 ). Like arsenic (As), antimony …

  • Metallogenic characteristics and resource potential of antimony …

    There are many antimony ore mines in the central Hunan area [59], including the largest antimony ore mine globally, with a mining history of nearly 130 years [60]. The production of Sb through ...

  • [PDF] Study on the Migration Rules of Sb in Antimony Ore …

    Since waste residues of antimony ores are piled in a disorderly way long-term, heavy metal elements of the residues are dissolved and precipitated under the eluviation effect of snow and rain, causing serious pollution to the surrounding soil. This paper takes the antimony ore of Hunan stannary as the research area, and the …

  • The Effect of Culture Conditions on Microbial Remediation of …

    Heavy metal pollution of soil caused by mining and smelting activities has become a major threat to land use (Karczewska et al. 2004).Contamination of antimony (Sb) and arsenic (As) in soil is an important environmental problem worldwide (Filella et al. 2002; Wilson et al. 2010).Sb is a suspected carcinogen with potential damage to the …

  • The exposure to and health effects of antimony

    INTRODUCTION. Antimony (Sb) (atomic number 51; atomic mass 121.75 g/mol; density 6.684 g/cm 3; melting point 631°C) occurs naturally as a sulphide ore, stibnite (Sb 2 S 3) and valentinite (Sb 2 0 3).The traditional method of treating the ore is to roast it with charcoal or coke and collect the volatile oxide fume (Sb 4 O 6) from which pure …

  • A review on distribution, biogeochemistry of antimony in …

    These factors have influenced the dynamics of antimony ore import and export, and the escalating demand for antimony continues to drive the exploitation of its ore resources. However, the relentless extraction of antimony ore has given rise to severe environmental issues in mining regions (Henckens et al., 2016).

  • Antimony: The Most Important Mineral You Never Heard Of

    Antimony is a strategic critical mineral that is used in all manner of military applications, including the manufacture of armor piercing bullets, night vision goggles, infrared sensors, precision ...

  • Mineral Commodity Summaries 2022

    In the United States, the leading uses of antimony were as follows: flame retardants, 40%; metal products, including antimonial lead and ammunition, 36%; and nonmetal products, …

  • ANTIMONY & COMPOUNDS (as Sb) | Occupational Safety …

    A health hazard evaluation of antimony exposure in fire fighters. J Occup Environ Med. 52(1): 81-84, 2010. EPA Air Toxics Website: Antimony Compounds. U.S. Environmental Protection Agency Technology Transfer Network, 2000. EPA: Integrated Risk Information System - Antimony trioxide (CASRN ), 1995.

  • Antimony speciation in the environment: Recent advances …

    Introduction. As a toxic element of growing environmental concern, antimony (Sb) is ubiquitous throughout the environment as a result of natural phenomena such as weathering, biological activity, and volcanic activity together with anthropogenic inputs, and it has been considered a priority pollutant by the United States Environmental …

  • PUBLIC HEALTH STATEMENT ANTIMONY

    Little or no antimony is mined in the United States. Antimony ore and impure metals are brought into this country from other countries for processing. Small amounts of antimony are also released into the environment by incinerators and coal-burning power plants. The antimony that comes out of the smoke stacks of these plants is attached to very

  • Antimony 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 …