Dozens of demulsifiers were tested for desalting of Shengli Huangdao crude oil on a static test apparatus.

• 根据胜利黄岛原油的性质，在筛选了几十种破乳剂的基础上，选择了酚醛树脂和环氧丙烷、环氧乙烷的嵌段共聚物作破乳剂。