A European refiner applies new processing technology to convert highly refractory vacuum resid into quality distillates
In Europe, refining Ural crude oil is increasing due to availability and attractive pricing of this feedstock. Vacuum residue from this crude oil is high in hetero-atom (sulfur and nitrogen) content and refractory asphaltene species. Thus, it is a difficult feed to process via resid hydrocrackers.
The PKN Orlen refinery is an older refinery that processes the Ural feed into transportation fuels. A need arose to have flexibility to process Ural feed while still meeting seasonal demands for low-sulfur fuel oil (<1 wt% sulfur) and increase distillate production. A new diesel hydrotreater was integrated with the existing resid hydrotreater to upgrade gasoil to ultra-low-sulfur diesel (ULSD)
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