Publicado 2025-03-19
Palabras clave
- baja frecuencia,
- calidad del agua,
- cianotoxinas,
- evaluación de riesgos,
- floración de algas
- proceso de oxidación avanzada,
- purificación de agua,
- reservorio tropical,
- sonicación,
- tratamiento alternativo ...Más
Cómo citar
Derechos de autor 2025 Revista UIS Ingenierías

Esta obra está bajo una licencia internacional Creative Commons Atribución-SinDerivadas 4.0.
Resumen
Las cianotoxinas, como las microcistinas (MC) y las nodularinas (NOD), son muy resistentes y estables a la degradación química y física convencional, además de representar un mayor riesgo para la salud humana. En el presente trabajo se utilizó el ultrasonido de baja frecuencia como proceso de oxidación avanzada para degradar cianotoxinas presentes en un embalse colombiano, evaluándose la eficiencia del proceso de sonicación, al utilizar diferentes potencias (10, 30 y 50 W) y tiempos de exposición (5, 10, 20 y 30 min) bajo una frecuencia de 40 kHz. Se encontró que el uso de ultrasonido no fue efectivo para concentraciones de hasta 2595,42 μg/L de MC-LR, ya que no se obtuvieron tasas de degradación significativas después de 30 minutos de tratamiento. Además, se evidenció una diferencia notable en las concentraciones de cianotoxinas en el agua entre las campañas de muestreo. En este sentido, la evaluación de riesgos, la implementación de programas de monitoreo y los esfuerzos de mitigación en los embalses merecen mayor atención.
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Referencias
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