The denitrogenation effects are investigated for the vacuum cut 3 lube base oil from Daqing by using the organic acid modified activated clay FY?14 as adsorbent. The performances of activated clay and FY?14 adsorbent are compared.

• 采用有机酸改性活性白土FY 14吸附剂对大庆减三线润滑油基础油的脱氮效果进行详细考察,并与活性白土进行对比。