The process of test and its result of adding SDA- 1615 filter aid to heavy lubricating oil stock processed by ketone-benzene dewaxing unit in Dalian Petrochemical Company were presented.

• 介绍了大连石化公司酮苯脱蜡装置在处理重质润滑油料时加SDA－1615助滤剂生产的试验过程和结果讨论。