油酸与亚油酸物系溶剂结晶分离过程

石油化工高等学校学报 ›› 2007, Vol. 20 ›› Issue (2): 12-14.

油酸与亚油酸物系溶剂结晶分离过程

崔国刚, 贾绍义, 张成, 吴松海**

天津大学化工学院,天津300072

收稿日期:2006-10-11 出版日期:2007-06-20 发布日期:2017-06-28
作者简介:崔国刚(1982-),男,天津宁河县,在读硕士。
基金资助:
天津市科技发展计划项目(No.033180611)。

Separation Process of Oleic Aicd and Linoleic Acid by Solvent Crystallization

CUI Guo-gang, JIA Shao-yi, ZHANG Cheng, WU Song-hai**

School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072,P.R. China

Received:2006-10-11 Published:2007-06-20 Online:2017-06-28

摘要/Abstract

摘要： 以甲醇为溶剂,对油酸与亚油酸物系的溶剂结晶分离过程进行了研究。结果表明,结晶温度和溶剂
配比对油酸与亚油酸的溶剂结晶过程有较大影响。随着结晶温度的降低,晶体中油酸的质量分数减小,滤液中亚油
酸的质量分数提高;随着溶剂配比的降低,晶体中油酸和滤液中亚油酸的质量分数均提高。外加磁场对油酸与亚油
酸物系的溶剂结晶过程有一定的影响,有利于油酸与亚油酸的溶剂结晶分离。定量计算表明,在磁场的作用下,晶
体中油酸的质量分数提高1.73%~2.48%;滤液中亚油酸的质量分数提高1.68%~3.19%。

关键词: 脂肪酸 , 油酸 , 亚油酸 , 磁场 , 溶剂结晶

Abstract: The solvent crystallization separation process of oleic acid and linoleic acid was investigated by using methanol solvent. The results show that the crystallization temperature and the proportion solvent have big influence on the solvent crystallization separation process of oleic acid and linoleic acid. Decreasing crystallization temperature decreases the mass fraction of oleic acid in crystal and increases the mass fraction of linoleic acid in filtrate. Decreasing proportion solvent increases the mass fraction of oleic acid and linoleic acid. The magnetic field has influence on the separation process, it is favorable to the solvent crystallization separation process of oleic acid and linoleic acid. The quantitative results show that under the effect of magnetic field the mass fraction of oleic acid in crystal increases by 1.73％～2.48％ and the mass fraction of linoleic acid in filtrate increases by 1.68％～3.19％.

Key words: Fatty acid , Oleic acid , Linoleic acid , , Magnetic field , Solvent crystallization

崔国刚, 贾绍义, 张成, 吴松海*. 油酸与亚油酸物系溶剂结晶分离过程[J]. 石油化工高等学校学报, 2007, 20(2): 12-14.

CUI Guo-gang, JIA Shao-yi, ZHANG Cheng, WU Song-hai*. Separation Process of Oleic Aicd and Linoleic Acid by Solvent Crystallization[J]. Journal of Petrochemical Universities, 2007, 20(2): 12-14.