Inicio Estatal INIFAP Chihuahua patenta tecnología para remover arsénico en agua

INIFAP Chihuahua patenta tecnología para remover arsénico en agua


Chihuahua, Chih. El Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (INIFAP) Chihuahua desde hace ya algún tiempo ha patentado tecnología con el fin de remover el arsénico en agua potable el cual puede causar graves problemas en la salud humana, nos dice Gustavo Chávez Director del Instituto en la entidad.

Dentro de estos padecimientos destacan problemas dermatológicos, neurológicos, gastrointestinales, renales, cardiovasculares, respiratorios, genéticos, etc, por lo que es menester la remoción de elementos químicos del agua, en algunas regiones del país, como Chihuahua, Hidalgo, Jalisco, Durango, Zacatecas, Nayarit, Sonora y la Comarca Lagunera, se han detectado concentraciones de este elemento de superiores a lo que marca la Norma Oficial Mexicana.

Sin embargo, con el uso de Nanopartículas: óxidos de manganeso y fierro/ Zeolita con un área superficial de 250 m2/g ha sido posible remover hasta un 97 % de arsénico,

El volumen de tratamiento de agua con 30 g de nanopartículas es de 114 m3, mientras que con el equivalente en carbón activado, el volumen tratado es de 91 m3.

Al tratar agua con una concentración de arsénico total de 176 µg/L, se observó que las nanopartículas se pueden regenerar y reutilizar hasta ocho veces, mientras que con ósmosis inversa se deben de cambiar los filtros de carbón activado cada vez que se satura el sistema.

COSTO ESTIMADO. El costo de producción del sistema de remoción es de $800.00 pesos y el costo de remoción de $1.00 peso por m3 tratado.

ÁMBITO DE APLICACIÓN. Áreas con problemas de arsénico en el agua, ya sea para consumo humano o para animales domésticos.

RECOMENDACIÓN PARA SU USO. Esta tecnología se recomienda aplicar en lugares donde la concentración de arsénico u otros elementos contaminantes se encuentran por encima de la Norma (NOM-127-SSA1-1994). Las nanopartículas se pueden empacar en forma de pastillas irregulares dentro de un filtro de flujo continuo.

USUARIOS POTENCIALES. Los usuarios potenciales son: el sector salud e instancias de nivel federal (SEMARNAT y CONAGUA), estatal (Dirección de Ecología y Junta Central de Agua) y municipal (Junta Municipal de Agua y Saneamiento), habitantes y productores de áreas rurales identificadas con problemas.

Jesús Nava Macías


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