Li Linlin, Ma Guiyang, Pan Zhen, Zhang Na, Zhang Zhien
College of Petroleum Engineering, Liaoning Shihua University, Fushun 113001, China.
Shandong Gas Marketing Branch, Sinopec Gas Company, Jinan 250000, China.
Membranes (Basel). 2020 Nov 29;10(12):380. doi: 10.3390/membranes10120380.
In recent years, gas-liquid membrane contactors have attracted increasing attention. A membrane contactor is a device that realizes gas-liquid or liquid-liquid mass transfer without being dispersed in another phase. The membrane gas absorption method combines the advantages of chemical absorption and membrane separation, in addition to exhibiting high selectivity, modularity, and compactness. This paper introduces the operating principle and wetting mechanism of hollow membrane contactors, shows the latest research progress of membrane contactors in gas separation, especially for the removal of carbon dioxide from gas mixtures by membrane contactors, and summarizes the main aspects of membrane materials, absorbents, and membrane contactor structures. Furthermore, recommendations are provided for the existing deficiencies or unsolved problems (such as membrane wetting), and the status and progress of membrane contactors are discussed.
近年来，气液膜接触器越来越受到关注。膜接触器是一种在不分散于另一相的情况下实现气液或液液传质的装置。膜气体吸收法结合了化学吸收和膜分离的优点，此外还具有高选择性、模块化和紧凑性。本文介绍了中空膜接触器的工作原理和润湿机理，展示了膜接触器在气体分离方面的最新研究进展，特别是膜接触器用于从气体混合物中脱除二氧化碳的研究进展，并总结了膜材料、吸收剂和膜接触器结构等主要方面。此外，针对现有不足或未解决的问题（如膜润湿）提出了建议，并讨论了膜接触器的现状和进展。
