ADSORCIÓN CATALÍTICA SIMULTÁNEA DE NO Y SO 2 SOBRE CARBONES ACTIVADOS
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López , D., Buitrago, R., & Mondragón, F. (2023). ADSORCIÓN CATALÍTICA SIMULTÁNEA DE NO Y SO 2 SOBRE CARBONES ACTIVADOS. Revista De La Academia Colombiana De Ciencias Exactas, Físicas Y Naturales, 32(122), 67–78. https://doi.org/10.18257/raccefyn.32(122).2008.2231

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Los carbones activados proporcionan una alternativa  apropiada para la adsorción simultánea de NO y SO 2 con el fin de controlar las emisiones de baja concentración de estos gases contaminantes. La adsorción de NO y SO 2 a 30ºC sobre carbones activados se estudió por espectrometría de masas y quimioluminiscencia, además se estudiaron los complejos superficiales formados durante la adsorción de NO y SO 2 por espectroscopia fotoelectrónica de rayos X (XPS) y desorción a temperatura programada (DTP), y el efecto de la adición de O 2 y la presencia de cobre como catalizador. El oxígeno presentó un efecto catalítico en la adsorción de estos gases. En la adsorción simultánea de NO y SO 2 , se presentó disminución de la adsorción de NO, mientras que la adsorción de SO 2 mejoró levemente. Para la reacción con la mezcla NO/SO 2 /O 2 se presentó un efecto sinérgico incrementando la adsorción de ambos. La adición de cobre catalizó la transferencia de oxígeno a la matriz carbonosa.

https://doi.org/10.18257/raccefyn.32(122).2008.2231

Palabras clave

carbones activados | gases contaminantes | catalizador | adsorción
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