La Electrocoagulación como un Tratamiento Eficiente para la Remoción de Metales Pesados Presentes en Aguas Residuales
Resumen
La remoción de metales pesados en aguas residuales por algunos métodos ha preocupado a las autoridades ambientales, debido a los altos costos, además de la generación de residuos secundarios y en algunas ocasiones la poca eficiencia de los procesos empleados. Con el fin de retirar metales pesados en aguas, se han desarrollado estudios en el campo de la electrocoagulación, postulando dicho proceso como alternativa viable para el tratamiento de aguas residuales, ya que éste genera pocos residuos secundarios, es rentable económicamente y tiene altos porcentajes de remoción, cercanos o iguales al cien por ciento. El presente trabajo muestra una recopilación bibliográfica de los últimos años que evidencia el uso e importancia de la electrocoagulación con el fín de remover diferentes metales como: hierro, níquel, cobre, zinc, plomo, cadmio, mercurio y cromo hexavalente, presentes en aguas residuales, para mejorar los parámetros en el proceso de remoción de estos contaminantes ambientales que son tan perjudiciales para la salud.
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Universidad Militar Nueva GranadaReferencias bibliográficas
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