Hydrotreating of gasoils on bimetallic catalysts: Effect of the composition of the feeds

Z. Varga, J. Hancsók, G. Nagy, D. Kalló

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6 Citations (Scopus)


Hydrodearomatizing (HDA) and hydrodesulfurizing (HDS) activities as well as sulfur tolerance of Pt(0.3%)-Pd(0.6%) bimetallic catalyst supported on USY, SiO2-Al2O3 and Al2O3 were investigated. Gasoils containing 29.7% aromatics/5ppm sulfur, 31.8% aromatics/158 ppm sulfur and 32.5% aromatics/283 ppm sulfur were used as feeds. The results of experiments obtained under various conditions showed that introducing practically sulfur-free feed every investigated catalyst provided relatively high HDA activities. Applying gasoils of higher sulfur content resulted in decrease of HDA activities depending on the type of catalyst. Pd-Pt/USY provides the highest sulfur tolerance because it preserved the activity, even for gasoil having 283 ppm sulfur content. Additionally, Pd-Pt/USY provided higher HDS activity than the Pt-Pd/SiO2-Al 2O3 under every process condition applied.

Original languageEnglish
Pages (from-to)1891-1898
Number of pages8
JournalStudies in Surface Science and Catalysis
Volume158 B
Publication statusPublished - Jan 1 2005


ASJC Scopus subject areas

  • Catalysis
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry

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