The influence of a second metal component (Cu, Sn, Fe) on Pd/SiO2 activity in the hydrogenation of 2,4-dinitrotoluene
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- Benedetti, A., Fagherazzi, G., Pinna, F. et al. Catal Lett (1991) 10: 215. doi:10.1007/BF00772074
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The catalytic activity of palladium in the hydrogenation of 2,4-dinitrotoluene is reduced by the addition of Cu or Sn. Upon addition of Fe, the activity increases. The formation of highly dispersed Pd-Fe bimetallic aggregates is suggested, where the Fe atoms, contiguous to Pd, act as promoters activating of the N=O bond.