中文摘要：

乳状液膜分离技术具有简便、高效且成本低的特点。介绍了乳状液膜的组成和分类，并对其传质机理和溶胀稳定性进行了分析。对乳状液膜在石油化工方面的应用进行了详细介绍。

英文摘要：

Separation by emulsion liquid membrane is a simple, efficient and cost-saving method. The compositions and categories of emulsion liquid membranes were reviewed and the mass transfer mechanism and swelling stability were discussed. The application of emulsion liquid membrane in petrochemical industry was discussed in detail.