Facilitated transport membranes for CO2 removal from natural gas

Xuezhong He, Linfeng Lei, Yunhan Chu

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

6 Scopus citations


Compared with commercial polymeric membranes for natural gas (NG) sweetening, the facilitated transport (FT) membranes present a great potential to reduce methane loss with the improved CO2/CH4 selectivity at high pressure operation. Different types of FT membranes together with their advantages and challenges have been reviewed. The carbon nanotube-reinforced polyvinylamine-based fixed-site-carrier membranes were identified as one of the most promising materials in this application. This chapter also provided a clear overview on the process parameter influences on the membrane separation performance for CO2 removal from NG. The technology feasibility was also discussed from the process simulation point of view. Finally, the future perspective on the membrane material and process development for NG sweetening was described.

Original languageEnglish
Title of host publicationCurrent Trends and Future Developments on (Bio-) Membranes
Subtitle of host publicationCarbon Dioxide Separation/Capture by Using Membranes
Number of pages28
ISBN (Electronic)9780128136454
ISBN (Print)9780128136461
StatePublished - 1 Jan 2018
Externally publishedYes


  • CO removal
  • Facilitated transport membranes
  • Fixed-site-carrier
  • Natural gas


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