Potential toxic heavy metals in village topsoil of antimony mining

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 addition Sb and its associated heavy metals As Cd Pb

Antimony in the environment a review focused on natural waters…

In estuarine waters both conservative and non conservative behaviours are reported depending on the estuaries characteristics Elevated concentrations of antimony in soils and sediments are either related to anthropogenic sources or associated with high arsenic concentrations in sulfidic ores Antimony appears to be highly unreactive in soils

Magnitudes spatial scales and processes of environmental antimony

Antimony Sb is strongly concentrated into hydrothermal mineral deposits commonly with gold in metasedimentary sequences around the Pacific Rim These deposits represent potential point sources for Sb in the downstream environment particularly when mines are developed This study documents the magnitude and scale of Sb mobility near some

Health risk associated with dietary co exposure to high

Antimony is now recognized as a global contaminant and has aroused the global concerns recently However knowledge is scarce concerning the transfer of antimony from the environment to humans and the related hazards to human health This study was conducted in a large antimony mine area in China which is one of the largest antimony producers in the world

The chemistry and behaviour of antimony in the soil environment

The geographical variation the pollution level the speciation the influencing factors and the environmental effects of Sb that were associated with mining/smelting affected soils were analyzed

Making Mining Safe and Fair Artisanal cobalt extraction

mines in the Democratic Republic of the Congo DRC The goal of the assessment was to identify actions that could eliminate violations of human rights and the use of child labour in sourcing cobalt in the DRC These findings are intended to inform future dialogue on human rights and child labour issues associated with artisanal small scale mining

Antimony arsenic and mercury in the aquatic environment and fish

The high level of antimony intake was due to the consumption of food indicating that long term consumption of vegetables from mining areas might cause a health risk for the people living in the

High human exposure to cobalt and other metals in Katanga a mining

The province of Katanga in the south east of the Democratic Republic of Congo see Map Fig 1 has been a place of intensive mining activities for the colonial period the mining of copper Cu and cobalt Co as well as of uranium U represented one of the Belgian Congo s main sources of revenue Vellut 1985 After Congo s independence in

PDF Environmental Impact Assessment Of

After studying the impacts of mining cobalt a common ingredient in lithium ion batteries on communities in Africa s Democratic Republic of the Congo DRC an interdisciplinary team of

Antimony arsenic and mercury in the aquatic environment and fish

Antimony is generally not readily mobilized in the environment despite high Sb soil concentrations at smelter sites Flynn et al 2003 Wilson et al 2004 The phytoavailable Sb in contaminated soil was found to be only % of the total Sb content in German Sb/As/Hg mine area Hammel et al 2000 and % in Chinese Sb mine area He 2007

Evaluation of antimony availability in a mining context

This work aims to establish Sb mobility its transfer to biota and its effect on soil health in a semi arid climate The results show the presence of stibnite Sb 2 S 3 as the main primary Sb compound bindhemite Pb 2 Sb 2 O 6 O OH and minor proportions of stibiconite Sb 3 Sb 5 2 O 6 OH as oxidised Sb species This research also observes very high total

4 Potential Impacts to Health and the Environment The

If present ARD can be one of the most persistent and significant environmental problems associated with mining of sulfide bearing deposits including gold deposits Because sulfide oxidation is autocatalytic mines can continue to generate ARD long after mining operations cease unless appropriate precautions are incorporated into the mine

Comparison of Antimony Sources and Hydrogeochemical

Antimony pollution in the groundwater of the Xikuangshan XKS antimony Sb mine area in China s Hunan Province has attracted increasing attention A total of 43 water samples were collected to help understand the hydrogeochemical characteristics identify the Sb source and evaluate the water rock interactions of the Shetianqiao aquifer SA The Sb

The environmental and social liabilities of the extractive sector

Mining companies are aware of the environmental risks associated with their industry; this does not mean however that they take the necessary measures to ensure they are fail safe Mine types

Understanding the impacts of mining on local environments

J WAFS researchers Scott Odell a visiting researcher in MIT s Environmental Solutions Initiative and John Fernández a professor in MIT s Department of Architecture are examining climate change copper mining and desalination and their environmental and social impacts on Indigenous communities glaciers and agriculture in Chile

Environmental Impacts of Gold Mining

Microbial diversity in soils from antimony mining sites Antimony Sb is a naturally occurring metalloid capable of forming toxic products is a suspected carcinogen Gebel 1997; ATSDR 2019 and has been classed as a priority substance ATSDR 2017 Antimony can be enriched in soils as a result of the mobilization of antimony from minerals and waste antimony ore and

The environmental criticality of primary raw materials A

Environmental aspects are more and more relevant for raw material policy making and responsible sourcing strategies This trend is partly based on growing public awareness of problems and impacts associated with extraction and processing of ores and minerals Disaster events such as the tailing dam failures in Kolontár Hungary October 2010

Correlation between microbial diversity and geochemistry of

Large scale mining activities have led to many environmental problems such as heavy metal pollution among which antimony Sb is a relatively new pollutant and is often accompanied by arsenic As pollution for Sb mining E Álvarez Ayuso et al 2012; YanMing Zhu et al 2020 It was reported that approximately 1315 of Sb and 70 mg/kg of As were released

Artisanal and small scale mining and the low carbon

This issue is gaining prominence in academic circles Tokimatsu 2018; Lee et al 2020 policy making Hund et al 2020 IEA 2021b and popular media The Economist 2021 The Economist 2022 A component of the emerging storyline has been the role that artisanal and small scale mining ASM plays in the supply of cobalt especially from the

High human exposure to cobalt and other metals in Katanga a mining

Metal furnaces have been recently built often in close vicinity of residential areas with little regard for environmental issues These regression analyses indicate that residence area was the factor most strongly associated with urinary metal excretion this variable was significantly related with the urinary concentrations of all the

Microbial response to antimony arsenic distribution and

Antimony Sb mining often causes severe Sb pollution and associate arsenic As compound contamination To further understand the interaction mechanism among soil microorganisms heavy metal distribution and geochemical factors the effects of environmental factors on soil microbial communities under different levels of Sb As co contamination were

Understanding the impacts of mining on local environments

J WAFS researchers Scott Odell a visiting researcher in MIT s Environmental Solutions Initiative and John Fernández a professor in MIT s Department of Architecture are examining climate change copper mining and desalination and their environmental and social impacts on Indigenous communities glaciers and agriculture in Chile

Evaluation of heavy metal contamination in copper mine

Understanding the level of heavy metal contamination coupled with the assessment of environmental and human risks associated with mine waste dumpsites is an important step to initiating efficient