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Título : Biorremediación de suelo contaminado con pesticidas : caso DDT
Otros títulos : Bioremediation of a pesticide polluted soil : case DDT
Autor : Betancur Corredor, Bibiana
Pino Rodríguez, Nancy Johanna
Peñuela Mesa, Gustavo Antonio
Cardona Gallo, Santiago
metadata.dc.subject.*: DDT
Biorremediación
Bioestimulación
Surfactante
Toxicidad
Fecha de publicación : 2013
Editorial : Universidad Nacional de Colombia
Citación : Betancur Corredor, B., Pino Rodríguez, N. J., Peñuela Mesa, G. A., y Cardona Gallo, S. (2013). Biorremediación de suelo contaminado con pesticidas: caso DDT. Gestión y Ambiente, 16(3), 119-135.
Resumen : 1,1,1-trichloro-2, 2’bis (p-chlorophenyl) ethane (DDT) has been used since the Second World War to control insect-borne diseases in humans and domestic animals. The use of these organochlorine insecticides has been banned in most countries because of its persistence in the environment, biomagnification and potential susceptibility to toxicity to higher animals. Bioremediation involves the use of microorganisms to degrade organic contaminants in the environment, transforming them into simpler and less dangerous, even harmless compounds. This decontamination strategy has low costs, and wide public acceptance, also it can take place on the site. Compared to other methods, bioremediation is a more promising and less expensive to eliminate contaminants in soil and water. In soil, compounds such as DDT, chlorinated biphenyls can be partially biodegraded by a group of aerobic bacteria that cometabolize the contaminant. The bioavailability of pollutants may be enhanced by treating the soil in the presence of contaminant mobilizing agents such as surfactants. In this review we discuss the different strategies for bioremediation of soil contaminated with DDT, including mechanisms and degradation pathways. The application of these techniques in contaminated soil is also described. This review also discusses which is the best strategy for bioremediation of DDT.
ISSN : 0124-177X
Aparece en las colecciones: CIA (Centro de Investigaciones Ambientales y de Ingeniería)

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