2015
DOI: 10.4314/ijbcs.v8i6.41
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Diagnostic de la contamination des eaux par les éléments traces métalliques dans la zone aurifère de Komabangou – Tillabéri, Niger

Abstract: A Komabangou, dans la région de Tillabéri au Niger, l'or est exploité, durant des décennies, de manière artisanale avec l'utilisation des méthodes inadéquates et des substances peu respectueuses de l'environnement comme le mercure et le cyanure. La présente étude a pour objectif de déterminer les teneurs en éléments traces métalliques (ETM) des eaux de Komabangou afin de prévoir les risques environnementaux et sanitaires liés à leur utilisation. Ainsi, des prélèvements d'eau ont été effectués sur 8 sites d'ext… Show more

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Cited by 11 publications
(12 citation statements)
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“…The very satisfactory results of the cyanide treatment made that large quantities of tailings were stored at the Koma Bangou site from 2009 to 2020. Cyanidation areas were quickly multiplied on the site and large piles of polluted mine waste were formed (Ousseini Zakaria et al, 2019;Tankari Dan-Badjo et al, 2014, 2019.…”
Section: Application To the Time Series And Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…The very satisfactory results of the cyanide treatment made that large quantities of tailings were stored at the Koma Bangou site from 2009 to 2020. Cyanidation areas were quickly multiplied on the site and large piles of polluted mine waste were formed (Ousseini Zakaria et al, 2019;Tankari Dan-Badjo et al, 2014, 2019.…”
Section: Application To the Time Series And Discussionmentioning
confidence: 99%
“…However, although artisanal and small-scale mining activities contribute to local economies, social and economic development in low-income countries, it has significant environmental, social, safety and health Writing -review & editing: L. Baratoux impacts (Adon Simon et al, 2016;Alibert et al, 2011;Alshaebi et al, 2009;Callil & Junk, 2010;Hilson, 2002;Martin & Hélène, 2017;Mkpuma et al, 2015;Mudd, 2007;Omara et al, 2019;Sheriff et al, 2018). These artisanal gold mining activities contribute to deforestation, land degradation, soil, water, and air pollution, and are responsible for the loss of the biodiversity (Amadou & Bouzou, 2016;Association Vie et Développement, 2018;Organisation Internationale du Travail, 2009;Ousseini Zakaria et al, 2018, 2019Razack, 2002;Tankari Dan-Badjo et al, 2014, 2019Yacouba, 2015). In order to obtain the metal of gold, large amounts of land are mined and large quantities of ore are treated with chemicals such as mercury, cyanide, and acids (Garba Hamidou, 2019;Organisation Internationale du Travail, 2009).…”
mentioning
confidence: 99%
“…The main cause of the degradation of water quality remains human activity: industry, domestic waste, agriculture, and transport [2]. Several studies have proven that these anthropogenic activities can cause pollution of water resources by heavy metals [3][4][5][6][7]. The contamination of aquatic systems by heavy metals is a serious issue globally, due to the toxic potential and accumulation of these contaminants in aquatic habitats, leading to ecological impacts and problems for human health [8].…”
Section: Introductionmentioning
confidence: 99%
“…These are the destruction of the plant cover, the depletion of water resources and the contamination of various environmental matrices (soil, air, surface water and groundwater) (Hinton et al, 2003;Ibrahim et al, 2019). Chemicals such as mercury (Hg), cyanide (CN), zinc (Zn), nitric acid (HNO3) and sulfuric acid (H2SO4) used in ore processing can cause enormous environmental and health damage (Hinton et al, 2003;Dan-Badjo et al, 2014). Furthermore, once abandoned, artisanal gold mining sites pose dangers to humans and animals through very deep wells often covered by secondary vegetation (Keita, 2003).…”
Section: Introductionmentioning
confidence: 99%