Remediación de suelos contaminados usando nanopartículas
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Remediación de suelos contaminados usando nanopartículas

Remediación de suelos contaminados usando nanopartículas


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About the Book

La minería en el Ecuador está conformada mayoritariamente por la minería a pequeña escala o artesanal, causando graves problemas ambientales debido al alto contenido en metales pesados que descargan sus efluentes en las principales zonas mineras del país. Por otro lado, se conoce que las nanopartículas de hierro y sulfuro de hierro presentan elevada adsorción de distintos contaminantes. En esta investigación se estudia la acción de nanopartículas multicomponente (NPsMC) en suelos contaminados con metales, para ello se realizó síntesis química y la caracterización fue mediante las técnicas microscópicas y analíticas SEM, TEM, EDS y XRD. Los resultados mostraron que se obtiene más del 90% de inmovilización de Cd, Cr, Ni y Hg al aplicar una relación 2:1 (NPsMC: Suelo, mL/g); mientras que para Cu, Pb y As se obtuvo un porcentaje de 80, 70 y 46% respectivamente. El pH fue el principal factor para la inmovilización de contaminantes, en este caso actúo negativamente para el As, adicionalmente el porcentaje de lixiviación de metales se redujo tras la aplicación de NPsMC. Se concluye que esta técnica es una herramienta poderosa para la remediación de áreas contaminadas por metales pesados.


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Product Details
  • ISBN-13: 9786200417985
  • Publisher: KS Omniscriptum Publishing
  • Publisher Imprint: Editorial Academica Espanola
  • Height: 229 mm
  • No of Pages: 92
  • Spine Width: 6 mm
  • Width: 152 mm
  • ISBN-10: 6200417989
  • Publisher Date: 12 Aug 2020
  • Binding: Paperback
  • Language: Spanish
  • Returnable: N
  • Weight: 195 gr


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