【摘要】 渗透汽化是一种绿色、高效的膜分离技术。为了能研制出性能理想的渗透汽化膜,渗透汽化过程的传质机理成为研究的热点。本文综述了渗透汽化传质过程的多种模型和理论,包括溶解扩散模型及其改进模型、孔流模型、Maxwell-Stephan理论、分子模拟方法等。比较了这些模型和理论的特点及应用范围,介绍了目前这些模型和理论的应用现状,并对其发展趋势进行了展望。更多还原

【Abstract】 Pervaporation is a green,highly efficient technology of membrane separation.In order to develop the ideal membrane of pervaporation,the mass transfer mechanism for pervaporation becomes a research focus.This paper reviews several models and theories of the mass transfer process for pervaporation,including conventional and modified solution-diffusion model,pore flow model, Maxwell-Stephan theory,and molecular simulation.The characteristics and applicability of the models are compared.And the application status of the models and theories are also introduced.The research progress of the models is discussed.更多还原