摘要
关键词: 氧化安定性 , 糠醛 , 溴化锌 , 碱性氮脱除率
Abstract
The study of complex de-nitride in lubricant by furfural and additives was researched for a second-tier base oil in Fushun No.1oil plant, according to single factor experiments, influences on removal rate of the basic nitrogen by temperature and oil/solvent ratio were obtained, finding a more suitable metal additive dosage of 0.50~1.33(mol zinc bromide/mol quinoline).Then through orthogonal test determining the effects on the complex extraction(removal rate of basic nitrogen), the most influential factor is the metal additive dosage, followed by the oil/solvent ratio, temperature minimum. The results show that adding a small amount of zinc bromide can greatly enhance the effect of furfural refining, its basic nitrogen removal rate increases, it greatly increases the effect of furfural extraction.