Understanding the Hydrodenitrogenation of Heteroaromatics on a Molecular Level

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14 Citations (Scopus)


The cleavage of recalcitrant C-N linkages in heteroaromatic molecules is a critical component of hydrodenitrogenation (HDN) reactions, the processes by which N atoms are removed from crude fuels. C-N bond cleavage of heteroaromatics with traditional HDN catalysts such as sulfided Ni/Mo-Al2O3 and Ni/W-Al2O3 requires aggressive conditions to hydrogenate the heterocyclic rings and often unnecessarily saturates the carbocyclic rings as part of the C-N cleavage process. In contrast, small-molecule models have illustrated selective hydrogenation of the heterocyclic ring, providing mechanistic insight into HDN processes and inspiring the design of new, more selective HDN catalysts.

Original languageEnglish
Pages (from-to)1455-1476
Number of pages22
JournalACS Catalysis
Issue number3
Publication statusPublished - Mar 4 2016


  • C-N bond cleavage
  • hydrodenitrogenation
  • hydrotreating
  • organometallic models
  • petroleum refining

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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