The results showed that this solvent can remove most of the acidic substances.For Dagang third vacuum side stream distillate,the ratio of deacidification can reach over 75%.

• 实验研究表明,该脱酸溶剂可有效脱除润滑油馏分中的酸性物质,对大港减三线馏分油,其脱酸率可达75%25以上。