The development history of demulsifying agents for crude oil was reviewed. The non-ionic surfactant demulsi-fiers and super-high molecular weight demulsifiers were emphatically described.

• 文章回顾了原油破乳剂的发展历史,重点对非离子型表面活性剂类的普通型破乳剂和超高分子量型破乳剂的研究与发展情况作了介绍。