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Author Spotlight: Characterizing Porous Materials for Aiding the Development of Robust Metal-Organic Frameworks with Adsorption Behavior
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Un robusto marco metálico-orgánico de captura de etano con una alta capacidad de purificación de etileno
Omid T Qazvini1, Ravichandar Babarao2,3, Zhao-Lin Shi4
1MacDiarmid Institute for Advanced Materials and Nanotechnology, Institute of Fundamental Sciences , Massey University , Palmerston North , New Zealand.
Journal of the American Chemical Society
|March 13, 2019
Resumen
Un nuevo marco metálico-orgánico, MUF-15, separa eficientemente el etano del etileno en un solo paso. Este avance ofrece un método altamente productivo para purificar las materias primas químicas, produciendo etileno de grado polímero.
Área de la Ciencia:
- Ciencias de los materiales
- Ingeniería Química
- Ciencia de la separación
Sus antecedentes:
- La separación etano-etileno es crucial para la purificación de las materias primas químicas.
- Las propiedades físico-químicas similares hacen que el etano y el etileno sean difíciles de diferenciar.
- Los adsorbentes convencionales requieren múltiples pasos, lo que aumenta la complejidad del proceso.
Objetivo del estudio:
- Desarrollar un adsorbente poroso de alto rendimiento para la separación de etano/etileno en un solo paso.
- Introducir un nuevo marco metálico-orgánico, el MUF-15, para la adsorción selectiva de etano.
- Para demostrar la eficiencia y la robustez del material en aplicaciones industriales.
Principales métodos:
- Síntesis de MUF-15 a partir de precursores de bajo costo.
- Experimentos de adsorción con mezclas de etano y etileno.
- Simulaciones computacionales para elucidar los mecanismos de adsorción.
- Análisis de la curva de ruptura multicomponente para evaluar el rendimiento de la separación.
Principales resultados:
- El MUF-15 adsorbe selectivamente el etano sobre el etileno.
- Productividad excepcional: 1 kg de MUF-15 produce 14 L de etileno de grado polimérico por paso.
- Rendimiento de separación consistente en diversas composiciones y presiones de alimentación.
- Robustez del material en presencia de acetileno y facilidad de regeneración.
Conclusiones:
- MUF-15 ofrece una solución de un solo paso altamente eficiente para la separación de etano/etileno.
- La alta productividad y robustez del material lo hacen adecuado para la purificación industrial de materias primas.
- Este avance simplifica los procesos de separación y mejora la producción de etileno.
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