Chemistry and Technology of Fuels and Oils, Vol.37, No.3, 191-193, 2001
Characterization of feedstock for production of high-viscosity base oils
The oil distillates and deasphalted products obtained in petroleum refining together with high-viscosity, naphthenes and aromatic hydrocarbons with a high proportion of short side chains contain an important amount of low-viscosity polycyclic aromatic hydrocarbons, resins, and sulfur and nitrogen compounds.