Estudio por Drifts de la oxidación en óxido nitroso de un carbón activado
Keywords:
carbón activado, oxidación, grupos superficiales, DRIFTS (es)activated carbon, oxidation, surface groups, DRIFTS (en)
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hidrógeno a 950°C por 360 minutos. Para caracterizar la química superficial de los materiales tratados, se utilizó la
técnica DRIFTS, cuyos resultados cualitativos muestran que los tratamientos con óxido nitroso tienen efectos mayores
sobre la intensidad de los grupos superficiales formados. Estos cambios podrían estar asociados con la incorporación
del nitrógeno dentro de la matriz del carbón. De acuerdo con los reportes de la literatura, la oxidación en fase gaseosa
del carbón activado muestra principalmente grupos superficiales, tales como anhídridos carboxílicos, fenoles y
carboxilatos, lactonas y quinonas.
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