Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 23, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/ijms23126423
Keywords
carbon foils; aniline; carbon snake; catalytic hydrogenation; catalyst support
Funding
- European Union
- European Regional Development Fund [GINOP-2.3.4-15-2016-00004]
- National Research, Development and Innovation Fund (Hungary) [TKP2021-NVA-14]
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Carbon foam was synthesized by carbonization of 4-nitroaniline, and then grinded to achieve an efficient catalyst support. Palladium nanoparticles were deposited onto the surface of the support, which exhibited high catalytic activity in nitrobenzene hydrogenation. The designed catalyst showed excellent performance with high conversion, yield, and selectivity, and remained active even after four cycles of reuse without regeneration.
Carbon foam was synthesized by the carbonization of 4-nitroaniline. The reaction is an alternative of the well-known carbon snake (or sugar snake) demonstration experiment, which leads to the formation of nitrogen-doped carbon foils due to its nitrogen content. The synthesized carbon foils were grinded to achieve an efficient catalyst support. Palladium nanoparticles were deposited onto the surface of the support, which showed continuous distribution. The prepared Pd nanoparticle decorated carbon foils showed high catalytic activity in nitrobenzene hydrogenation. By applying the designed catalyst, total nitrobenzene conversion, a 99.1 n/n% aniline yield, and an exceptionally high selectivity (99.8 n/n%) were reached. Furthermore, the catalyst remained active during the reuse tests (four cycles) even without regeneration.
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