dor_id: 4149945

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561.#.#.u: https://www.atmosfera.unam.mx/

650.#.4.x: Biología y Química

336.#.#.b: article

336.#.#.3: Artículo de Investigación

336.#.#.a: Artículo

351.#.#.6: https://www.revistascca.unam.mx/rica/index.php/rica/index

351.#.#.b: Revista Internacional de Contaminación Ambiental

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590.#.#.a: Coordinación de Difusión Cultural

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850.#.#.a: Universidad Nacional Autónoma de México

856.4.0.u: https://www.revistascca.unam.mx/rica/index.php/rica/article/view/RICA.2018.34.04.06/46796

100.1.#.a: Zazueta Álvarez, David Enrique; Medrano Roldán, Hiram; Reyes Jáquez, Damián; Rodríguez Rosales, María Dolores Josefina; Moreno Medina, Cuauhtémoc Ulises

524.#.#.a: Zazueta Álvarez, David Enrique, et al. (2018). EFFECT OF pH, MINING TAILINGS CONCENTRATION AND CULTURE MEDIUM ON THE PERFORMANCE OF POLYMETALLIC BIOLEACHING AT FLASK LEVEL. Revista Internacional de Contaminación Ambiental; Vol. 34 Núm. 4, 2018; 621-634. Recuperado de https://repositorio.unam.mx/contenidos/4149945

245.1.0.a: EFFECT OF pH, MINING TAILINGS CONCENTRATION AND CULTURE MEDIUM ON THE PERFORMANCE OF POLYMETALLIC BIOLEACHING AT FLASK LEVEL

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM

264.#.0.c: 2018

264.#.1.c: 2018-10-31

653.#.#.a: biological acidification; biological oxidation; medium without nitrogen source; biological acidification; biological oxidation; medium without nitrogen source

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC 4.0 Internacional, https://creativecommons.org/licenses/by-nc/4.0/legalcode.es, para un uso diferente consultar al responsable jurídico del repositorio por medio del correo electrónico claudio.amescua@atmosfera.unam.mx

884.#.#.k: https://www.revistascca.unam.mx/rica/index.php/rica/article/view/RICA.2018.34.04.06

001.#.#.#: 105.oai:ojs.pkp.sfu.ca:article/52792

041.#.7.h: eng

520.3.#.a: The aim of this research was to evaluate bioleaching of Mn, As, Pb and Zn from mining tailings using two different sets of variable processing conditions. In the first set pH (2.0, 4.0 and 6.0), tailings concentrations (10, 20 y 30 %, w/v [111.11, 250.00 and 428.57 g/L, respectively]), and two types of culture medium (9K [with nitrogen source] and nonN (nitrogen-free medium) were evaluated; in the second set the evaluation focused on continuous supplementation of biogenic H2SO4 oxidized with two types of culture medium (9K and nonN) at different tailings concentrations (10, 20 y 30 %, w/v [111.11, 250.00 and 428.57 g/L, respectively]), with continuous supplementation of the media previously described (9K and nonN) oxidized by the native strains Leptospirillum ferriphilum and Leptospirillum ferrooxidans. In the first set, the highest removal of Mn (93.49 %), As (13.92 %) and Pb (> 99 %) was observed in both media at 10 % of tailings and initial pH of 2.0. In the second experimental set, the highest removal of Mn (99 %), As (> 85 %), Pb (> 99 %) and Zn (67 %) was found with both media at 10 % of tailings and initial pH 6.0. Continuous supplementation of biologically acidified and oxidized culture media enhanced the metals removal from solid waste or tailings. Similar metals removal in media without nitrogen compared to medium with nitrogen was observed in this research.

773.1.#.t: Revista Internacional de Contaminación Ambiental; Vol. 34 Núm. 4 (2018); 621-634

773.1.#.o: https://www.revistascca.unam.mx/rica/index.php/rica/index

022.#.#.a: ISSN impreso: 0188-4999

310.#.#.a: Trimestral

300.#.#.a: Páginas: 621-634

264.#.1.b: Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM

doi: https://doi.org/10.20937/RICA.2018.34.04.06

harvesting_date: 2023-11-08 13:10:00.0

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file_creation_date: 2018-10-31 18:01:16.0

file_modification_date: 2018-10-31 18:01:19.0

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245.1.0.b: EFFECT OF pH, MINING TAILINGS CONCENTRATION AND CULTURE MEDIUM ON THE PERFORMANCE OF POLYMETALLIC BIOLEACHING AT FLASK LEVEL

last_modified: 2024-03-19 14:00:00

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Artículo

EFFECT OF pH, MINING TAILINGS CONCENTRATION AND CULTURE MEDIUM ON THE PERFORMANCE OF POLYMETALLIC BIOLEACHING AT FLASK LEVEL

Zazueta Álvarez, David Enrique; Medrano Roldán, Hiram; Reyes Jáquez, Damián; Rodríguez Rosales, María Dolores Josefina; Moreno Medina, Cuauhtémoc Ulises

Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM, publicado en Revista Internacional de Contaminación Ambiental, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Cita

Zazueta Álvarez, David Enrique, et al. (2018). EFFECT OF pH, MINING TAILINGS CONCENTRATION AND CULTURE MEDIUM ON THE PERFORMANCE OF POLYMETALLIC BIOLEACHING AT FLASK LEVEL. Revista Internacional de Contaminación Ambiental; Vol. 34 Núm. 4, 2018; 621-634. Recuperado de https://repositorio.unam.mx/contenidos/4149945

Descripción del recurso

Autor(es)
Zazueta Álvarez, David Enrique; Medrano Roldán, Hiram; Reyes Jáquez, Damián; Rodríguez Rosales, María Dolores Josefina; Moreno Medina, Cuauhtémoc Ulises
Tipo
Artículo de Investigación
Área del conocimiento
Biología y Química
Título
EFFECT OF pH, MINING TAILINGS CONCENTRATION AND CULTURE MEDIUM ON THE PERFORMANCE OF POLYMETALLIC BIOLEACHING AT FLASK LEVEL
Fecha
2018-10-31
Resumen
The aim of this research was to evaluate bioleaching of Mn, As, Pb and Zn from mining tailings using two different sets of variable processing conditions. In the first set pH (2.0, 4.0 and 6.0), tailings concentrations (10, 20 y 30 %, w/v [111.11, 250.00 and 428.57 g/L, respectively]), and two types of culture medium (9K [with nitrogen source] and nonN (nitrogen-free medium) were evaluated; in the second set the evaluation focused on continuous supplementation of biogenic H2SO4 oxidized with two types of culture medium (9K and nonN) at different tailings concentrations (10, 20 y 30 %, w/v [111.11, 250.00 and 428.57 g/L, respectively]), with continuous supplementation of the media previously described (9K and nonN) oxidized by the native strains Leptospirillum ferriphilum and Leptospirillum ferrooxidans. In the first set, the highest removal of Mn (93.49 %), As (13.92 %) and Pb (> 99 %) was observed in both media at 10 % of tailings and initial pH of 2.0. In the second experimental set, the highest removal of Mn (99 %), As (> 85 %), Pb (> 99 %) and Zn (67 %) was found with both media at 10 % of tailings and initial pH 6.0. Continuous supplementation of biologically acidified and oxidized culture media enhanced the metals removal from solid waste or tailings. Similar metals removal in media without nitrogen compared to medium with nitrogen was observed in this research.
Tema
biological acidification; biological oxidation; medium without nitrogen source; biological acidification; biological oxidation; medium without nitrogen source
Idioma
eng
ISSN
ISSN impreso: 0188-4999

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