Bio gas oils with improved low temperature properties

Márton Krár, Tamás Kasza, Sándor Kovács, Dénes Kalló, Jeno Hancsók

Research output: Contribution to journalArticle

31 Citations (Scopus)


During hydrodeoxygenation of triglycerides to motor fuel the isomerization reactions have an important role, since the cold flow properties of the product are improved significantly by increase of isoparaffin content of the product in gas oil boiling range. Accordingly, the aim of our research program was to select and investigate suitable catalyst(s) for producing relatively high isoparaffin containing product for a long time of preserved activity. Both not-presulphided CoMo/Al2O3 and NiMo/Al2O 3 catalysts have isomerization activity, however, in the case of CoMo/Al2O3 catalyst triglyceride conversion is higher by 25.1-30.5 abs%, as well as yields by 24.2-24.6 abs% corresponding by 0.18-0.33 higher i-/n-paraffin ratio than for NiMo/Al2O3 under favorable conditions. Thereby products with more advantageous cold flow properties can be produced on CoMo/Al2O3 catalyst.

Original languageEnglish
Pages (from-to)886-892
Number of pages7
JournalFuel processing technology
Issue number5
Publication statusPublished - May 1 2011

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Fuel Technology
  • Energy Engineering and Power Technology

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