Arsenic (As) contamination poses a significant threat to human health, ecosystems, and agriculture, with levels ranging from 12 to 75% attributed to mine waste and stream sediments. This naturally element is abundant in Earth's crust and gets released into the environment through mining and rock processing, causing ≈363 million people to ...Web
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Arsenic in dust and aerosol generated by mining, mineral processing and metallurgical extraction industries, is a serious threat to human populations throughout the world. Major sources of contamination include smelting operations, coal combustion, hard rock mining, as well as their associated waste products, including fly ash, mine wastes …Web
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The special place held in semiconductor technology by gallium arsenide [14, 15] ... Rae ID (2001) Gold and arsenic in Victoria's Mining History. Victorian Hist J 72:159–172. Google Scholar Beckman L (1978) The Rönnskär Smelter: occupational and environmental effects in and around a polluting industry in Northern Sweden. ...Web
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Arsenic is a naturally occurring metalloid whose presence can be intensified due to industrial and anthropic activities. Under natural oxidation conditions, dissolved …Web
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No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. ... Carral, P.; Álvarez, A.M.; Garrido, F. Arsenic Mining Waste in the Catchment Area of the Madrid Detrital Aquifer (Spain). Water, Air, Soil Pollut. 2010, 214, 307–320. [Google Scholar] ISO 10381-1: 2002. Soil Quality ...Web
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The aim of this work is to evaluate the routes and effects of arsenic contamination in environmental compartments (air, water, and soil) and environmental …Web
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This study investigated the biological removal of heavy metals from mine tailings in Kazakhstan using acidophilic microorganism strains Acidithiobacillus ferrivorans 535 and Acidithiobacillus ferrooxidans 377. The experiments were conducted in shake flasks at pH 1.6, various temperatures (28 °C, 18 °C, and 8 °C), and 10% solid concentration …Web
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This special issue takes a holistic approach for interpreting human exposure and risk to arsenic (As), mobilized from mostly geogenic sources, thereby distinguishing different species and developing sustainable strategies for As control and mitigation. Globally, As contamination is reported from over 105 countries. The special issue deals …Web
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most often as arsenic sulfide or as metal arsenates and arsenides. Almost all of the arsenic used is obtained as a by-product of smelting of ores of copper, lead, cobalt and gold. Mining of these ores and the management of waste materials associated with mining operations is a significant source of arsenic released to the environment.Web
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Arsenic (As)-contaminated gold mine waste is a global problem and poses a significant risk to the ecosystem and community (e.g., carcinogenic, toxicity). Arsenic concentrations of 77,000 mg/kg and 22,000 mg/kg in mine waste have been reported for Canada and Australia, respectively. Research is investigating environmentally …Web
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Atmospheric arsenic emissions from copper smelting represent the largest contribution of arsenic from the mining and metals industry by far and have been the focus of pollution control technologies and increasingly stringent regulations. Arsenic can also be leached out of some metal ores by cyanide or acid …
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Arsenic poisoning constitutes a major threat to humans, causing various health problems. Almost everywhere across the world certain "hotspots" have been detected, putting in danger the local populations, due to the potential consumption of water or food contaminated with elevated concentrations of arsenic. According to the relevant …Web
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Fish from the reference Small Lake, located 27 km east of the mining area, had the lowest average total arsenic concentration in muscle tissue of 0.46 ± 0.16 µg/g dw. These results suggest that fish from inland lakes near the mine roasters are more affected by legacy arsenic from mining than fish from lakes further from the mine roasters.Web
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Mining: Production and Control of Arsenic. Arsenic is a naturally occurring element found in many rocks and minerals in the earth's crust. It is also classified as a critical mineral …Web
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Arsenic minerals in mining environments. Arsenic is widely distributed in the Earth's crust, occurring in trace amounts (average crustal abundance =1.5 mg/kg), predominantly in minerals of igneous and sedimentary rocks and soils (Plant et al. 2005).Some arsenic-bearing minerals, such as arsenides and sulfarsenides, are …Web
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In mining areas, the increase in arsenic concentration and the activation of arsenic in bedrock aquifers are caused by several geochemical processes, including bedrock weathering, oxidation of arsenopyrite and main sulfides in ore, the mixture of mine water and surface water, leaching arsenic alkali residue, and adsorption–desorption from ...Web
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Arsenic is a metalloid widely distributed in the environment and of global concern for human health. In a promising breakthrough for sustainable arsenic soil remediation, a fern, Pteris vittata L., was discovered to take up arsenic from the soil and accumulate it in its fronds at up to ~100 times soil concentrations. Successively …Web
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Gold mining activities date back to the 13th century and peaked in the 16th century. More than 100 of mines, shafts and adits are known. In the 20th century the deposit was mined for arsenic. Mining stopped in 1961. Skarn-like mineralization due to metasomatism in the exocontact zone of the Variscan Klodzko-Zloty Stok granodiorite massif.Web
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Arsenic belongs to the most toxic elements; therefore, its high concentrations in the environment are always a matter of special concern [1,2].Particularly, the strong enrichment of soils in As usually occurs in the sites associated with …Web
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In this review, we examine the microbial dissolution of arsenic-bearing minerals as a side effect of biomining processes, with special emphasis on (1) the …Web
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Introduction. Arsenic is present at high levels in water on all continents [1].Well-known areas with high As content include approximately a dozen countries, among them are Bangladesh, India, China, Mongolia, Vietnam, Mexico, Chile, and Argentina [2, 3, 4∗].Besides geographic location, exposure to As varies according to people's access to …Web
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Meharg et al. (2003) reported that husked rice grain, collected in several districts in Bangladesh with high arsenic levels in ground water, had arsenic concentrations ranging from 0.058 to 1.83 mg/kg, which indicated that, despite impact due to mining, crop cultivation in the country faces serious problems with arsenic-contaminated aquifers.Web
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Effects – which can take years to develop depending on the exposure level – include skin lesions, peripheral neuropathy, gastrointestinal symptoms, diabetes, cardiovascular diseases, developmental toxicity, and cancer of the skin and internal organs. Organic arsenic compounds, which are abundant in seafood, are less harmful to health …Web
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In this article, the distribution and migration of arsenic, the geochemical cycle of arsenic under the action of microorganisms, the factors influencing the biogeochemical cycle of arsenic in the mining …Web
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Abstract. Arsenic (As)-contaminated gold mine waste is a global problem and poses a significant risk to the ecosystem and community (e.g., carcinogenic, …Web
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Using Morris's phrase as a fitting title, the art historian and Victorianist Lucinda Hawksley's new book, Bitten by Witch Fever, tells the story of the extensive use of arsenic in the 19th ...Web
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Since 1987, arsenic has been leaking from an abandoned mine near the intersection of Gipsy Trail Road and Mt. Nimham Court onto residential properties, exposing local residents to contaminated water and soil, and even hospitalizing multiple locals over the years. Schumer thanked the EPA for heeding his request and adding the site to the …Web
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Abrahams, P.W. and Thornton, I. (1987) Distribution and extent of land contaminated by arsenic and associated metals in mining regions of South-west England. Transactions …Web
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In Ghana, gold mining is noted for environmental and social impacts in host communities (Mensah et al. 2015, 2021).These include, among others, the indiscriminate …Web
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Atmospheric arsenic emissions from copper smelting represent the largest contribution of arsenic from the mining and metals industry by far and have been the focus of pollution control technologies and increasingly stringent regulations. [8] Arsenic can also be leached out of some metal ores by cyanide or acid rock drainage but can be captured ...Web
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Mainly 23 elements that are of special interest for us because of occupational and residential exposure and they are; platinum, arsenic, chromium, antimony, copper, iron, nickel, manganese, cadmium, gold, vanadium, thallium, bismuth, mercury, cerium, gallium, ... Since the mining activity is a continuous process, the continuous generation of ...Web
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