Keywords vacuum residue;hydrotreating unit;extract oil;feedstock;dilution oil;lube oil furfural refining u-nit;propane deasphalter;deasphalted oil;

• 减压渣油;加氢处理装置;原料;稀释油;润滑油糠醛精制装置;抽出油;丙烷脱沥青装置;脱沥青油;