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Use of the gray water footprint as an indicator of contamination caused by artisanal mining in Colombia

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  • Gallo Corredor, José Antonio
  • Lizeth Vargas González, Ginary
  • Velasco Granados, Marcela
  • Gutiérrez, Luis
  • Pérez, Edier Humberto

Abstract

The production chain in the gold mining sector in Colombia is one of the most controversial as it requires large volumes of fresh water, and in some cases generates discharges without adequate prior treatment, which results in a high degree of contamination for ecosystems. In the municipality of Suarez there is a large territory dedicated to artisanal mining therefore, in order to provide relevant information for the mitigation of pollution caused by mining, a regional study is completed. In this study, the gray water footprint (GWF) was determined in 6 beds dedicated to artisanal gold mining, in the municipality of Suarez, Cauca, Colombia associated with high contents of TSS (Total suspended solids) and Hg (Mercury). The results showed indicated that the greatest problem in the high levels of GWF by artisanal gold mining activities is related to the dumping of total suspended solids and to a lesser extent the dumping of mercury, however the volume of water necessary to assimilate the pollutant load of mercury still high, so the implementation of clean technologies and the non-use of Hg is recommended.

Suggested Citation

  • Gallo Corredor, José Antonio & Lizeth Vargas González, Ginary & Velasco Granados, Marcela & Gutiérrez, Luis & Pérez, Edier Humberto, 2021. "Use of the gray water footprint as an indicator of contamination caused by artisanal mining in Colombia," Resources Policy, Elsevier, vol. 73(C).
    • Handle: RePEc:eee:jrpoli:v:73:y:2021:i:c:s0301420721002117
    DOI: 10.1016/j.resourpol.2021.102197
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    References listed on IDEAS

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    1. Lu, Shibao & Lu, Wenjing & Xu, Meng & Taghizadeh-Hesary, Farhad & Tang, Yao, 2023. "Water-energy-food security under green finance constraints in Southwest China," Energy Economics, Elsevier, vol. 118(C).
    2. Ruihua Shen & Lei Yao, 2022. "Exploring the Regional Coordination Relationship between Water Utilization and Urbanization Based on Decoupling Analysis: A Case Study of the Beijing–Tianjin–Hebei Region," IJERPH, MDPI, vol. 19(11), pages 1-19, June.

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