Asphaltenes are problematic for refinery operations due to their tendency to precipitate and deposit, causing fouling of equipment, catalyst deactivation, and operational difficulties. Asphaltenes are complex, high-molecular-weight polycyclic aromatic hydrocarbons that are naturally present in crude oil. They are soluble in aromatic solvents but insoluble in aliphatic solvents, suc....
Log in to view the answer
