支撑液膜提取废水中柠檬酸的动力学模型研究  

STUDY ON KINETIC MODEL OF EXTRACTION OF CITRIC ACID IN WASTEWATER BY SUPPORTED LIQUID MEMBRANE

作　　者：郭昌梓[1] 张建民[2] 王安琪[1] 付腾飞[1] 

机构地区：[1]陕西科技大学资源与环境学院,陕西西安710021 [2]西安工程大学环境与化工学院,陕西西安710048

出　　处：《陕西科技大学学报（自然科学版）》2008年第2期57-60,共4页Journal of Shaanxi University of Science & Technology

摘　　要：分析了支撑液膜提取废水中柠檬酸的机理,提出了拟稳态下平板支撑液膜提取废水中柠檬酸的数学传质模型,该模型给出了影响废水中柠檬酸提取效率的有关因素,揭示了提高传质速率的方法,实验证明该模型与实际吻合较好,为进一步研究采用支撑液膜技术提取废水中的柠檬酸提供了理论基础.Quantitative mass transfer model of citric acid extraction by Plate Supported Liquid Membrane is concluded in the basis of mass transfer mechanism, which indicates the influencing factors of extracting efficiency of citric acid in wastewater and the methods of improving mass transfer velocity. Mass transfer experiment proves that the model prediction agrees well with experiment data approximately. The results provide theoretical basis for further research.

关 键 词：支撑液膜 柠檬酸 模型 

分 类 号：TQ028.8[化学工程]