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Detection and Recovery of Palladium, Gold and Cobalt Metals from the Urban Mine Using Novel Sensors/Adsorbents Designated with Nanoscale Wagon-wheel-shaped Pores
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Extracción de recursos de minas abandonadas
Zhongwen Bao1, Carol J Ptacek1, David W Blowes1
1Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, ON, Canada.
Science (New York, N.Y.)
|August 17, 2023
Resumen
La recuperación de minerales y metales críticos de minas abandonadas ofrece una solución sostenible para los esfuerzos de descarbonización. Este enfoque puede reducir significativamente el impacto ambiental asociado con las prácticas mineras tradicionales.
Área de la Ciencia:
- Ciencias del medio ambiente
- Ciencias de los materiales
- Geología
Sus antecedentes:
- Las minas abandonadas suponen un riesgo para el medio ambiente y representan recursos sin explotar.
- La creciente demanda de minerales y metales está impulsada por las tecnologías verdes.
Objetivo del estudio:
- Evaluar el potencial de recuperación de minerales y metales valiosos de las minas abandonadas.
- Evaluar la contribución de este proceso de recuperación a los objetivos mundiales de descarbonización.
Principales métodos:
- Análisis geoquímico de los residuos de las minas.
- Desarrollo y ensayo de nuevas técnicas de extracción.
- Evaluación del ciclo de vida del proceso de recuperación.
Principales resultados:
- Concentraciones significativas de minerales y metales críticos identificados en las minas abandonadas encuestadas.
- Factibilidad demostrada de métodos de extracción eficientes y respetuosos con el medio ambiente.
- Reducción cuantificada de la huella de carbono en comparación con la minería primaria.
Conclusiones:
- El reprocesamiento de minas abandonadas es una estrategia viable para el abastecimiento sostenible de minerales y metales.
- Este enfoque puede contribuir significativamente a la descarbonización al reducir la dependencia de la nueva minería y las emisiones asociadas.
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