Taking the unconverted oil from hydrocracking to produce premium lubricating base oil and white oil by catalytic dewaxing in Refinery No.3,is substituted for the old process of lube oil.

• 石油三厂采用加氢裂化未转化油经催化脱蜡工艺生产高质量润滑油基础油及白色油，替代了过去老三套润滑油生产工艺。