Advanced base oil technology increases the concentration of desirable components while removing more of the contaminants found in crude oil residue. Whereas traditional solvent plants take out these undesirables (asphaltenes, resins, aromatics, etc.) by the use of solvent extraction, deasphalting and solvent dewaxing, modern hydroprocess-ing converts these undesirable components into desirable ones, he said. This technology utilises
展开▼
