04 Ago ASPIRANDO PLAYAS, ELIMINANDO PLÁSTICOS

En varios de nuestros artículos, habíamos introducido ya varios problemas sobre el plástico en el medio ambiente.

Documental Océano de Plástico

Impuesto al plástico en la UE

Bajo la superficie: los microplásticos

Maquinaria para limpiar plástico del océano

– Contaminación: plásticos

Hoy os queremos presentar una solución. Una solución que ha sido la idea de un grupo de amigos para un proyecto de clase. ¿El resultado? Una máquina capaz de limpiar cientos de plásticos de las playas.

Hoola One, el proyecto

Fueron un grupo de 12 estudiantes canadienses de la Universidad de Sherbrooke, en Quebec los que tuvieron una gran idea. Estos estudiantes de ingeniería crearon Hoola One, una aspiradora que saca los plásticos de las playas sin tocar la arena.

Recolecta microplásticos sin quitar arena de las costas. Una idea que puede parecer fácil, pero que han hecho realidad estos jóvenes, a través de un proyecto de clases que buscaba idear artefactos que ayudasen a mejorar el ecosistema, tal como contó su cofundador Sam Duval a Nation Share The Good News.

El dispositivo consiste en una manguera que aspira el plástico y la arena, invirtiendo todo en un gran tanque de agua. Como las rocas y el polvillo son más pesados que los residuos, se hunden en el fondo del recipiente para ser arrojadas a la playa nuevamente. Los microplásticos quedan flotando sobre el líquido, haciendo más sencilla su recolección.

Comprobaron su efectividad en una de las costas más contaminadas de Hawai, eliminando todos los residuos de la zona.

Microplásticos, masas de desechos

Unos ocho millones de toneladas de plástico van a parar al mar cada año, según se estima. ¿Y qué ocurre con ellas? Gran parte de ellos son arrastrados por las corrientes y terminan concentrándose en enormes masas de desechos. Una gran parte de estos plásticos son triturados y desmenuzados hasta tamaños casi microscópicos. Otros, sencillamente, ya tenían este tamaño cuando llegaron al mar: son los microplásticos. 

Debido a su pequeño tamaño (inferiores a 5mm) son demasiado pequeños para ser eliminados por sistemas de filtración de aguas residuales y terminan en ríos y océanos, donde son ingeridos por pájaros, peces y otras especies marinas.

Los microplásticos constituyen una gran amenaza para la alimentación de animales marinos, incluidas muchas especies de aves, tortugas, peces, mamíferos marinos e invertebrados. Los confunden con alimento, provocando la muerte.

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Omnipresentes en todos los océanos, los microplásticos son un problema al que estos 12 jóvenes le han puesto solución.

Fotos: Pixabay

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