dor_id: 23036

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650.#.4.x: Biología y Química

336.#.#.b: article

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336.#.#.a: Artículo

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

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856.4.0.u: https://www.revistascca.unam.mx/rica/index.php/rica/article/view/RICA.2017.33.02.07/46660

100.1.#.a: Díaz Fuenmayor, Kerry Johana; Pantoja Guerra, Manuel; Torres Palma, Ricardo A.; Valero, Nelson

524.#.#.a: Díaz Fuenmayor, Kerry Johana, et al. (2017). CHANGES ON THE BIOAVAILABILITY OF DDT IN SOIL BY ADDITION OF LIGNITE AND COAL SOLUBILIZING BACTERIA. Revista Internacional de Contaminación Ambiental; Vol. 33 Núm. 2, 2017; 259-268. Recuperado de https://repositorio.unam.mx/contenidos/23036

245.1.0.a: CHANGES ON THE BIOAVAILABILITY OF DDT IN SOIL BY ADDITION OF LIGNITE AND COAL SOLUBILIZING BACTERIA

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

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

264.#.0.c: 2017

264.#.1.c: 2017-04-27

653.#.#.a: low rank coal; adsorption; humified organic matter; decontamination; low rank coal; adsorption; humified organic matter; decontamination

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884.#.#.k: https://www.revistascca.unam.mx/rica/index.php/rica/article/view/RICA.2017.33.02.07

001.#.#.#: 105.oai:ojs.pkp.sfu.ca:article/52309

041.#.7.h: eng

520.3.#.a: DDT is an organochlorine insecticide that is persistent and exhibits residuality in the environment. This study assessed the effect of the application of lignite [low rank coal (LRC)] and coal solubilizing bacteria (CSB), on the bioavailability of DDT in soil with low organic matter content. In doing this, three trials were designed; in the first trial, soil samples were treated with CSB and LRC for 30 days and, afterwards, they were immersed in a DDT solution at water solubility limit and, lastly, the remaining DDT in the aqueous solution was determined. In the second trial, soil samples previously contaminated with DDT were treated with LRC and CSB. After 30 days of this interaction, the soil samples were immersed in water and the remaining DDT in solution was subsequently determined. The third trial was similar to the latter, but the interaction lasted for six months. In the first experiment, treatments with LRC and LRC + CSB, showed 8.16 and 3.4 % of remaining DDT respectively, thus indicating the retention of the compound in the soil. In the second trial, the treatment with CSB greatly reduced the bioavailable DDT (0.007 ppm), compared to the control (0.014 ppm); this is possible since these bacteria use DDT as a carbon source. In the third trial, the highest reduction in the bioavailability of DDT took place in LRC and LRC + CSB treatments; this trial also detected DDD produced from DDT transformation, which showed the same behavior; the interaction timeframe favors adsorption and copolymerization of pollutants to humified organic matter (HOM) in soil. Use of LRC as a source of HOM represents a promising strategy for the treatment of soils with low organic matter content affected by persistent organic pollutants such as DDT.

773.1.#.t: Revista Internacional de Contaminación Ambiental; Vol. 33 Núm. 2 (2017); 259-268

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: 259-268

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

doi: https://doi.org/10.20937/RICA.2017.33.02.07

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

856.#.0.q: application/pdf

245.1.0.b: CHANGES ON THE BIOAVAILABILITY OF DDT IN SOIL BY ADDITION OF LIGNITE AND COAL SOLUBILIZING BACTERIA

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

license_url: https://creativecommons.org/licenses/by-nc/4.0/legalcode.es

license_type: by-nc

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Artículo

CHANGES ON THE BIOAVAILABILITY OF DDT IN SOIL BY ADDITION OF LIGNITE AND COAL SOLUBILIZING BACTERIA

Díaz Fuenmayor, Kerry Johana; Pantoja Guerra, Manuel; Torres Palma, Ricardo A.; Valero, Nelson

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

Díaz Fuenmayor, Kerry Johana, et al. (2017). CHANGES ON THE BIOAVAILABILITY OF DDT IN SOIL BY ADDITION OF LIGNITE AND COAL SOLUBILIZING BACTERIA. Revista Internacional de Contaminación Ambiental; Vol. 33 Núm. 2, 2017; 259-268. Recuperado de https://repositorio.unam.mx/contenidos/23036

Descripción del recurso

Autor(es)
Díaz Fuenmayor, Kerry Johana; Pantoja Guerra, Manuel; Torres Palma, Ricardo A.; Valero, Nelson
Tipo
Artículo de Investigación
Área del conocimiento
Biología y Química
Título
CHANGES ON THE BIOAVAILABILITY OF DDT IN SOIL BY ADDITION OF LIGNITE AND COAL SOLUBILIZING BACTERIA
Fecha
2017-04-27
Resumen
DDT is an organochlorine insecticide that is persistent and exhibits residuality in the environment. This study assessed the effect of the application of lignite [low rank coal (LRC)] and coal solubilizing bacteria (CSB), on the bioavailability of DDT in soil with low organic matter content. In doing this, three trials were designed; in the first trial, soil samples were treated with CSB and LRC for 30 days and, afterwards, they were immersed in a DDT solution at water solubility limit and, lastly, the remaining DDT in the aqueous solution was determined. In the second trial, soil samples previously contaminated with DDT were treated with LRC and CSB. After 30 days of this interaction, the soil samples were immersed in water and the remaining DDT in solution was subsequently determined. The third trial was similar to the latter, but the interaction lasted for six months. In the first experiment, treatments with LRC and LRC + CSB, showed 8.16 and 3.4 % of remaining DDT respectively, thus indicating the retention of the compound in the soil. In the second trial, the treatment with CSB greatly reduced the bioavailable DDT (0.007 ppm), compared to the control (0.014 ppm); this is possible since these bacteria use DDT as a carbon source. In the third trial, the highest reduction in the bioavailability of DDT took place in LRC and LRC + CSB treatments; this trial also detected DDD produced from DDT transformation, which showed the same behavior; the interaction timeframe favors adsorption and copolymerization of pollutants to humified organic matter (HOM) in soil. Use of LRC as a source of HOM represents a promising strategy for the treatment of soils with low organic matter content affected by persistent organic pollutants such as DDT.
Tema
low rank coal; adsorption; humified organic matter; decontamination; low rank coal; adsorption; humified organic matter; decontamination
Idioma
eng
ISSN
ISSN impreso: 0188-4999

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