According to a lot of data,some hydrotreating processing schemes for manufacturing HVI,VHVI and UHVI lube base oils from every kind of oils were described.

• 通过大量数据，重点论述几种加氢处理联合工艺从各种油料生产高粘度指数、很高粘度指数和超高粘度指数基础油的情况。