SEARCH Articles Figures Tables Effect of Oxygen-to-Vacuum Residue Ratio Effect of Water-to-Vacuum Residue Ratio Hydrocracking of Vacuum Residue Investigation on a vacuum residue from Kirkuk Kinetics of Vacuum Residue Conversion Petroleum refinery crude-residue vacuum towers Processing Vacuum Residue by Solvent Extraction (Deasphalting) Simulated Vacuum Residue Simulation with Different Vacuum Residues as Feedstock VACUUM DISTILLATION RESIDUES Vacuum flashed cracked residue Vacuum residue oil Vacuum residue, coking Vacuum residue, coking product yields Vacuum residue, coking products Vacuum residues Vacuum residues