Publicado

2020-01-01

Evaluation of cyanide and heavy metals removal in liquid effluents from small mining’s gold benefit, by adsorption with activated carbon and hydrogen peroxide in Segovia, Antioquia

Evaluación de la remoción de cianuro y metales pesados en efluentes líquidos provenientes del beneficio de oro de la pequeña minería, mediante adsorción con carbón activado y peróxido de hidrógeno en Segovia, Antioquia

DOI:

https://doi.org/10.15446/dyna.v87n212.79716

Palabras clave:

gold mining, heavy metals removal, cyanide degradation, heavy metals precipitation, environmental pollution (en)
minería de oro, remoción metales pesados, degradación de cianuro, precipitación de metales pesados, contaminación ambiental (es)

Autores/as

The small gold mining generates toxic substances discharges, being an environmental problem. The objective was to evaluate the removal of cyanide and heavy metals, in liquid effluents from the gold benefit, by adsorption with activated carbon and hydrogen peroxide. The residues were first treated with carbon to determine the adsorption efficiency with 20, 40, 60 g of carbon / L of solution at times of 4, 8, 12 hours. Then hydrogen peroxide (1.0, 1.5, 2.0 liters of peroxide / Kg CN in solution, was added over 4 hours). The response variables were concentrations of cyanide, lead, zinc, iron. The best treatment with carbon was 60 g of carbon / L of solution and 12 hours of contact and for the process with hydrogen peroxide: 2 liters of H2O2 / Kg of CN in solution, during 4 hours. A flow chart and tables for the implementation of the process were designed.

La pequeña minería de oro genera vertimientos de sustancias tóxicas, siendo una problemática ambiental. El objetivo fue evaluar la remoción de cianuro y metales pesados, en efluentes líquidos del beneficio de oro, mediante la adsorción con carbón activado y peróxido de hidrógeno. Los residuos primero se trataron con carbón para determinar la eficiencia de adsorción con 20, 40, 60 g de carbón/L de solución a tiempos de 4, 8, 12 horas. Luego se adicionó peróxido de hidrógeno (1,0, 1,5, 2,0 litros de peróxido/Kg CN en solución, durante 4 horas). Las variables de respuesta fueron concentraciones de cianuro, plomo, zinc, hierro. El mejor tratamiento con carbón fue 60 g de carbón/L de solución y 12 horas de contacto y para el proceso con peróxido de hidrógeno: 2 litros de H2O2/Kg de CN en solución, durante 4 horas. Se diseñó un diagrama de flujo y tablas para la implementación del proceso.

Referencias

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Cómo citar

IEEE

[1]
C. C. Estrada-Montoya, G. M. Restrepo Franco, y N. F. Galeano Vanegas, «Evaluation of cyanide and heavy metals removal in liquid effluents from small mining’s gold benefit, by adsorption with activated carbon and hydrogen peroxide in Segovia, Antioquia», DYNA, vol. 87, n.º 212, pp. 9–17, ene. 2020.

ACM

[1]
Estrada-Montoya, C.C., Restrepo Franco, G.M. y Galeano Vanegas, N.F. 2020. Evaluation of cyanide and heavy metals removal in liquid effluents from small mining’s gold benefit, by adsorption with activated carbon and hydrogen peroxide in Segovia, Antioquia. DYNA. 87, 212 (ene. 2020), 9–17. DOI:https://doi.org/10.15446/dyna.v87n212.79716.

ACS

(1)
Estrada-Montoya, C. C.; Restrepo Franco, G. M.; Galeano Vanegas, N. F. Evaluation of cyanide and heavy metals removal in liquid effluents from small mining’s gold benefit, by adsorption with activated carbon and hydrogen peroxide in Segovia, Antioquia. DYNA 2020, 87, 9-17.

APA

Estrada-Montoya, C. C., Restrepo Franco, G. M. & Galeano Vanegas, N. F. (2020). Evaluation of cyanide and heavy metals removal in liquid effluents from small mining’s gold benefit, by adsorption with activated carbon and hydrogen peroxide in Segovia, Antioquia. DYNA, 87(212), 9–17. https://doi.org/10.15446/dyna.v87n212.79716

ABNT

ESTRADA-MONTOYA, C. C.; RESTREPO FRANCO, G. M.; GALEANO VANEGAS, N. F. Evaluation of cyanide and heavy metals removal in liquid effluents from small mining’s gold benefit, by adsorption with activated carbon and hydrogen peroxide in Segovia, Antioquia. DYNA, [S. l.], v. 87, n. 212, p. 9–17, 2020. DOI: 10.15446/dyna.v87n212.79716. Disponível em: https://revistas.unal.edu.co/index.php/dyna/article/view/79716. Acesso em: 8 mar. 2026.

Chicago

Estrada-Montoya, Claudia Catalina, Gloria Maria Restrepo Franco, y Narmer Fernando Galeano Vanegas. 2020. «Evaluation of cyanide and heavy metals removal in liquid effluents from small mining’s gold benefit, by adsorption with activated carbon and hydrogen peroxide in Segovia, Antioquia». DYNA 87 (212):9-17. https://doi.org/10.15446/dyna.v87n212.79716.

Harvard

Estrada-Montoya, C. C., Restrepo Franco, G. M. y Galeano Vanegas, N. F. (2020) «Evaluation of cyanide and heavy metals removal in liquid effluents from small mining’s gold benefit, by adsorption with activated carbon and hydrogen peroxide in Segovia, Antioquia», DYNA, 87(212), pp. 9–17. doi: 10.15446/dyna.v87n212.79716.

MLA

Estrada-Montoya, C. C., G. M. Restrepo Franco, y N. F. Galeano Vanegas. «Evaluation of cyanide and heavy metals removal in liquid effluents from small mining’s gold benefit, by adsorption with activated carbon and hydrogen peroxide in Segovia, Antioquia». DYNA, vol. 87, n.º 212, enero de 2020, pp. 9-17, doi:10.15446/dyna.v87n212.79716.

Turabian

Estrada-Montoya, Claudia Catalina, Gloria Maria Restrepo Franco, y Narmer Fernando Galeano Vanegas. «Evaluation of cyanide and heavy metals removal in liquid effluents from small mining’s gold benefit, by adsorption with activated carbon and hydrogen peroxide in Segovia, Antioquia». DYNA 87, no. 212 (enero 1, 2020): 9–17. Accedido marzo 8, 2026. https://revistas.unal.edu.co/index.php/dyna/article/view/79716.

Vancouver

1.
Estrada-Montoya CC, Restrepo Franco GM, Galeano Vanegas NF. Evaluation of cyanide and heavy metals removal in liquid effluents from small mining’s gold benefit, by adsorption with activated carbon and hydrogen peroxide in Segovia, Antioquia. DYNA [Internet]. 1 de enero de 2020 [citado 8 de marzo de 2026];87(212):9-17. Disponible en: https://revistas.unal.edu.co/index.php/dyna/article/view/79716

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CrossRef citations1

1. Z. Zmirli, A. Driouich, Slimane El Harfaoui, A. Mohssine, H. Chaair, B. Sallek. (2023). Cyanide effluent treatment by electrocoagulation using airlift reactor: Modeling and optimization by response surface methodology. Scientific African, 21, p.e01825. https://doi.org/10.1016/j.sciaf.2023.e01825.

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