
Keywords: تجزیه و تحلیل; HPF; heavy petroleum feedstocks; scCO2; supercritical carbon dioxide; SDA; solvent deasphalting; ROSE; Residuum Oil Supercritical Extraction; SCFs; supercritical fluids; SFE; supercritical fluid extraction; DAO; deasphalted oil; VR; vacuum residue; ICP-MS