膜分离天然气脱水蒸汽技术的研究现状

Research Status of Natural Gas Dehydration Technology by Membrane Separation

天然气脱水蒸汽是天然气净化过程中的必要环节,选择合适的脱水蒸汽技术和工艺至关重要。本文首先简要概述了新兴的膜分离天然气脱水蒸汽方法的特点,然后介绍了膜分离性能的表征参数及测试、膜组件设计及操作条件的选择,重点介绍了近年来膜分离甲烷脱水蒸汽技术中的聚合物膜材料、沸石分子筛膜材料,最后展望了金属有机骨架材料的应用潜力以及天然气脱水蒸汽技术未来的发展趋势。

Natural gas dehydration is an integral part of the natural gas purification process,and appropriate dewatering techniques and processes are of paramount importance. In this paper,the characteristics of emerging membrane separation methods for natural gas dehydration,the characterization parameters and testing of membrane separation performance as well as the design of membrane modules and the selection of operating conditions are briefly introduced. Polymer membrane materials and zeolite membrane materials are also introduced. Finally,the application potential of metal organic framework（MOF） materials and the future development trend of natural gas dehydration technology are predicted.