Estudio de la Capacidad de Remediación de la Planta Chrysopogon zizanioides en Aguas Contaminadas
DOI:
https://doi.org/10.62876/tekhne.v29i1.7684Palabras clave:
fitorremediación, vetiver, hidroponía, tratamiento de aguasResumen
El vetiver (Chrysopogon zizanioides) es una de las plantas de mayor preeminencia en la fitorremediación, una alternativa económica y efectiva para el tratamiento de suelos y aguas contaminadas. Ante tal panorama, se hizo un estudio para determinar la capacidad de remediación de esta planta en aguas contaminadas. Para tal fin, se elaboró un sistema hidropónico tipo cama flotante, sin aireación, para tratar agua contaminada proveniente de la quebrada La Guairita, Edo. Miranda, Venezuela. A esta agua le fue añadida aceite de motor usado, abono de lombriz líquido y fenol; y luego diluida a un 5% y 2,5% de su volumen para formar sistemas diluido y concentrado. El tratamiento fue de seis semanas. El sistema diluido exhibió reducciones del 9%, 37%, 87% y 84% en pH, conductividad, aceites y grasas y fenol; y un aumento del 288% en fósforo. El sistema concentrado tuvo una reducción del 59% en aceites y grasas y un aumento del 4%, 5% y 129% para pH, conductividad y fósforo. No se pudo cuantificar la reducción en coliformes totales y fecales, pero fue apreciada cualitativamente.
Palabras clave: fitorremediación, vetiver, hidroponía, tratamiento de aguas
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