提出了气液相际传质的三膜模型．该模型认为，气液相际传质有三个阻力膜层：气膜、液膜和界面阻力膜．本文对模型中的参数进行了分析，并且进行了实验验证．结果表明，三膜模型能较好地反映两相间传质的规律． A three-membrane model of gas-liquid mass transfer was proposed. The model holds that there are three layers of resistance to gas and liquid mass transfer: gas, liquid and interfacial resistance. In this paper, the parameters in the model are analyzed and verified experimentally. The results show that the three-film model can better reflect the mass transfer between the two phases.