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https://doi.org/10.26754/c_agr...
Article . 2019 . Peer-reviewed
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Fitorremediación de aguas residuales industriales mediante humedales artificiales para uso agrícola

Authors: García-Valero, Amalia; Martínez-Martínez, Silvia; Terrero, Angélica; Faz, Angel; Acosta, Jose A.;

Fitorremediación de aguas residuales industriales mediante humedales artificiales para uso agrícola

Abstract

La regeneración de aguas en áreas de escasez y déficit hídrico es una práctica extendida que complementa los procesos físicos y químicos propios de las plantas de tratamiento con otras tecnologías que permiten su reutilización. En este estudio, fue utilizado un sistema de fitorremediación para mejorar el tratamiento de aguas residuales industriales. Se trata de un humedal artificial horizontal de flujo subsuperficial. Phragmites australis, el carrizo común, fue la especie vegetal seleccionada por su habilidad para adaptarse al clima y por su capacidad de absorber contaminantes. Las concentraciones de nitrógeno Kjeldahl (NK), fósforo (P), boro (B) y cromo (Cr) en agua fueron analizadas y se calcularon las eficiencias. Además, la capacidad de absorción de las plantas fue analizada en las partes aérea y radicular. Los resultados del estudio mostraron que los niveles de contaminantes en agua fueron reducidos para ambos tiempos de retención hidráulicos (TRHs), siendo más efectivo para TRH = 3 días con eficiencias de remoción de 9,8, 78, 13 y 36 % para NK, P, B y Cr, respectivamente. Sin embargo, las eficiencias de absorción por P.australis en la parte aérea para NK, P y B fueron mayores a los 7 días. Por el contrario, el Cr fue retenido mayormente a los 3 días. Por lo tanto, P.australis es una especie fitoextractora ideal, que combinada con humedales artificiales reduce considerablemente los contaminantes en aguas residuales.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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