Advantage of Ni/SBA-15 catalyst over Ni/MgO catalyst in terms of catalyst stability due to release of water during nitrobenzene hydrogenation to aniline
作者： V. Mohan , C.V. Pramod , M. Suresh , K. Hari Prasad Reddy , B. David Raju
DOI: 10.1016/J.CATCOM.2011.11.030
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摘要: Abstract Two catalysts, Ni/SBA-15 and Ni/MgO were prepared by wet impregnation technique with 5 wt.% Ni loading in each catalyst. These tested for nitrobenzene hydrogenation to aniline reaction under vapor phase at atmospheric pressure. suffered a huge loss the activity (conversion) during time on stream study even though dispersion is larger compared that SBA-15 supported TPR studies of used catalysts confirm coking catalysts. The superior catalytic terms conversion selectivity operation exhibited catalyst due hydrophobic nature this (resistant water generated reaction) effect not significant.
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