Impacts of Trace Metals Pollution of Water, Food Crops, and …
The study investigates here environmental and social impacts and the residents' perception of the impacts of mining activities on their communities in the light of the numerous promises and prospects that mining is said to provide for communities. ... Except for arsenic (As), whose content was significantly higher in Kipushi Territory in the ...
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Arsenic Hazards to Humans, Plants, and Animals from Gold Mining …
Gold miners had a number of arsenic-associated health problems, including excess mortality from cancer of the lung, stomach, and respiratory tract. Miners and school children in the vicinity of gold mining activities had elevated urine arsenic of 25.7 μg/L (range, 2.2–106.0 μg/L). Of the total population at this location, 20% showed ...
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Impacts of metal mining on river systems: a global assessment
Mining for metals produces waste containing toxic elements such as mercury and arsenic. Macklin et al. compiled global data on the locations of active and inactive metal mines and tailings dams, which hold mine waste.Using hydrologic models, they assessed river system contamination from mines and failed tailings dams and …
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What Is The Environmental Impact Of The Mining Industry?
Mining is the extraction of minerals and other geological materials of economic value from deposits on the Earth. Mining adversely affects the environment by inducing loss of biodiversity, soil erosion, and contamination of surface water, groundwater, and soil. Mining can also trigger the formation of sinkholes.
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The Role of Arsenic in the Mining Industry
A number of human activities have the potential to increase arsenic concentrations in the air, water, and soil on a local scale. The rate of arsenic release from sulfide minerals can be accelerated by mining activities, which expose the minerals to weathering processes during … See more
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Study Identifies Ways to Limit Arsenic …
Published November 11 in Applied Geochemistry, the study focuses specifically on arsenic capture and storage by soil and sediments — a process called sequestration. Mine waste contains arsenic, and if …
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Environmental arsenic contamination and its health effects …
1. Introduction. Chronic arsenic (As) exposure through ingestion can cause severe adverse effects on human health, especially via the consumption of contaminated groundwater [1–5].Epidemiological and experimental evidence is furthermore mounting that in utero or early life exposure to As may affect fetal development or increase rates of …
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Antimony-complexed heavy metal wastewater in antimony mining …
The discharge of antimony-containing complex heavy metal wastewater from antimony mining areas can also have an impact on the surrounding soil environment. ... Long-range spatial variability in sediment associations and solid-phase speciation of antimony and arsenic in a mining-impacted river system. Appl. Geochem., 135 (2021), …
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Biogeochemical behavior and pollution control of arsenic in mining …
The study of the geochemical behavior of arsenic in mining areas and the microbial remediation of arsenic pollution have great potential and are hot spots for the prevention and remediation of arsenic pollution. ... Arsenic metabolism by microbes in nature and the impact on arsenic remediation. Curr. Opin. Biotechnol. 20, 659–667. …
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Arsenic-Imposed Effects on Schwertmannite and Jarosite …
This study explores interactions between As and Fe(III) minerals, predominantly schwertmannite and jarosite, in acid mine drainage (AMD) via observations at a former mine site combined with mineral formation and transformation experiments. Our objectives were to examine the effect of As on Fe(III) mineralogy in strongly acidic AMD while also …
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Arsenic
Arsenic is a natural component of the earth's crust and is widely distributed throughout the environment in the air, water and land. It is highly toxic in its inorganic form. People are exposed to elevated levels of inorganic arsenic through drinking contaminated water, using contaminated water in food preparation and irrigation of food crops ...
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Arsenic Factsheet | National Biomonitoring Program | CDC
Arsenic Factsheet. Arsenic, a naturally occurring element, can combine with either inorganic or organic substances to form many different compounds. Inorganic arsenic compounds are in soils, sediments, and groundwater. These compounds occur either naturally, or as a result of mining, ore smelting, or when using arsenic for industrial …
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Role of climate and geography in arsenic mobility …
As a result, environmental impacts of historical artisanal mining include soil, groundwater, and surface water contamination as well as the possibility of human …
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The impacts of century-old, arsenic-rich mine tailings on …
DOI: 10.1016/j.scitotenv.2019.136212 Corpus ID: 210043963; The impacts of century-old, arsenic-rich mine tailings on multi-trophic level biological assemblages in lakes from Cobalt (Ontario, Canada).
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Groundwater arsenic contamination: impacts on human …
Groundwater is consumed by a large number of people as their primary source of drinking water globally. Among all the countries worldwide, nations in South Asia, particularly India and Bangladesh, have severe problem of groundwater arsenic (As) contamination so are on our primary focus in this study. The objective of this review …
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Mining and Water Pollution — Safe Drinking Water …
There are four main types of mining impacts on water quality. 1. Acid Mine Drainage ... Heavy metal pollution is caused when such metals as arsenic, cobalt, copper, cadmium, lead, silver and zinc contained in excavated rock or exposed in an underground mine come in contact with water. Metals are leached out and carried downstream as …
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Environmental occurrence and impacts of arsenic at gold mining …
Arsenic is a common element in the natural environment and is frequently a significant component in gold deposits of the western United States. Such deposits contain various forms of arsenic: arsenides, sulfides, and sulfosalts. Upon weathering such minerals routinely lower the pH of nearby waters, mobilizing arsenic and other metals. Arsenic …
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Arsenic in Gold Mining Wastes: An Environmental …
We provide an overview of arsenic (As) from gold mining spoils, tailings disposal sites, and mining degraded soils and propose sustainable soil remediation …
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Remediation Opportunities for Arsenic …
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 …
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Environmental Impacts of Gold Mining
Gold mining is one of the most destructive industries in the world. It can displace communities, contaminate drinking water, hurt workers, and destroy pristine environments. It pollutes water and land with mercury and cyanide, endangering the health of people and ecosystems. Producing gold for one wedding ring alone generates 20 tons of waste.
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Synergistic Impacts of Arsenic and Antimony Co …
Nitrogen (N) shortage poses a great challenge to the implementation of in situ bioremediation practices in mining-contaminated sites. Diazotrophs can fix atmospheric N2 into a bioavailable form to plants and microorganisms inhabiting adverse habitats. Increasing numbers of studies mainly focused on the diazotrophic communities in the …
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Study identifies ways to limit arsenic contamination from mines
Credit: Joshua Fisher. A new study examines how acidity and climate impact arsenic removal strategies downstream of the Porgera Joint Venture gold mine in Papua New Guinea. Published November 11 ...
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Arsenic-transforming microbes and their role in biomining …
It is well known that microorganisms can dissolve different minerals and use them as sources of nutrients and energy. The majority of rock minerals are rich in vital elements (e.g., P, Fe, S, Mg and Mo), but some may also contain toxic metals or metalloids, like arsenic. The toxicity of arsenic is disclosed after the dissolution of the mineral, …
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Mineralogical transformation of arsenic at different copper …
Arsenic concentrations at different sites were plotted on the map of the smelting plant. As shown in Fig. 1, soils in the key working regions were seriously polluted by As, including the warehouse area, smelting area, and acid-making area, in which the concentration of As reached up to 3741 mg/kg, 1567 mg/kg, and 4508 mg/kg, …
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(PDF) Arsenic-Imposed Effects on Schwertmannite and
in Acid Mine Drainage and Coupled Impacts on Arsenic Mobility. Edward D. Burton, * Niloofar Karimian, Scott G. Johnston, Valerie A. Schoepfer, Girish Choppala, and Dane Lamb.
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Arsenic Mining | Processing Equipment | Flow Chart | Cases
Arsenic Mining. Arsenic (As) is classed as a semi-metal, or metalloid. In nature it is commonly found as a metal in low levels in most soils and in higher concentrations associated with some copper, lead and zinc ores. The most common arsenic mineral is arsenopyrite, a compound of iron, arsenic, and sulfur. Arsenic metal very rarely occurs …
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Impacts of metal mining on river systems: a global …
We then used process-based and empirically tested modeling to produce a global assessment of metal mining contamination in river systems and the numbers of human populations and livestock exposed. Worldwide, metal mines affect 479,200 kilometers of river channels and 164,000 square kilometers of floodplains.
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Study Identifies Ways to Limit Arsenic Contamination From …
Photo courtesy Joshua Fisher. A new study examines how acidity and climate impact arsenic removal strategies downstream of the Porgera Joint Venture gold mine in Papua New Guinea. Published November 11 in Applied Geochemistry, the study focuses specifically on arsenic capture and storage by soil and sediments — a process …
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Role of climate and geography in arsenic mobility and risk …
As a result, environmental impacts of historical artisanal mining include soil, groundwater, and surface water contamination as well as the possibility of human exposure to the contamination left behind. ... Environmental and human health risks of arsenic in gold mining areas in the eastern Amazon. Environ. Pollut., 265 (2020), p. 114969, 10. ...
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Arsenic in Mining Areas: Environmental …
The aim of this work is to evaluate the routes and effects of arsenic contamination in environmental compartments (air, water, and soil) and environmental organisms (fish and vegetables) from mining regions …
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