申请人:VITAWORKS IP, LLC
公开号:US10239822B2
公开(公告)日:2019-03-26
There is disclosed a process for the separation of long chain dibasic acid and fatty acid, comprising: (1) reacting a mixture of long chain dibasic acid and fatty acid with ammonium hydroxide to form an insoluble ammonium salt of fatty acid and a soluble ammonium salt of long chain dibasic acid; (2) recovering the insoluble ammonium salt of fatty acid; and (3) adding an acid to the mother liquor of step (2) to obtain the long chain dibasic acid.
本发明公开了一种分离长链二元酸和脂肪酸的工艺,包括:(1) 将长链二元酸和脂肪酸的混合物与氢氧化铵反应,生成脂肪酸的不溶性铵盐和长链二元酸的可溶性铵盐;(2) 回收脂肪酸的不溶性铵盐;(3) 向步骤(2)的母液中加入一种酸,得到长链二元酸。