Vlastnosti produktů hydrorafinace směsí lehkého cyklového oleje a plynového oleje

  • J. Tomášek Ústav technologie ropy a alternativních paliv, Vysoká škola chemicko-technologická v Praze, Praha
  • J. Blažek Ústav technologie ropy a alternativních paliv, Vysoká škola chemicko-technologická v Praze, Praha
  • B. I. Osegbe Ústav technologie ropy a alternativních paliv, Vysoká škola chemicko-technologická v Praze, Praha
Klíčová slova: lehký cyklový olej, hydrodesulfurace, rafinace, plynový olej, motorová nafta

Abstrakt

This work deals with the use of light-cycle oil from fluid catalytic cracking in the production of diesel fuel by hydrotreatment. Light-cycle oil, straight-run gas oil and their mixtures have been subjected to hydrotreatment using a commercial Co­Mo/Al2O3 catalyst in a laboratory flow reactor. The hydrotreatment significantly lowered S and N levels. Contents of diaromatics and polyaromatics were lowered by the hydrotreatment as well. Density, S, N and polyaromatics contents in the products increased with increasing light-cycle oil content in the feedstock. On the other hand, their viscosity and cetane index decreased with increasing content of light-cycle oil in the feedstock. The products that meet the performance requirements for diesel (EN 590) were prepared from the feedstock containing up to 10 wt.% of light-cycle oil. High density and high S content of light-cycle oil make impossible its extensive use in the production of diesel fuel.

Publikované
2014-09-15
Sekce
Články