Recent advances in polymeric membranes for CO2 capture

doi:10.1016/j.cjche.2018.07.010

摘要/Abstract

摘要： Membrane and membrane process have been considered as one of the most promising technologies for mitigating CO₂ emissions from the use of fossil fuels. In this paper, recent advances in polymeric membranes for CO₂ capture are reviewed in terms of material design and membrane formation. The selected polymeric materials are grouped based on their gas transport mechanisms, i.e., solution-diffusion and facilitated transport. The discussion of solution-diffusion membranes encompasses the recent efforts to shift the upper bound barrier, including the enhanced CO₂ solubility in several rubbery polymers and novel methods to construct shape-persisting macromolecules with unprecedented sieving ability. The carrier-bearing facilitated transport membranes are categorized based on the specific CO₂-carrier chemistry. Finally, opportunities and challenges in practical applications are also discussed, including post-combustion carbon capture (CO₂/N₂), hydrogen purification (CO₂/H₂), and natural gas sweetening (CO₂/CH₄).

关键词: Carbon capture, Polymeric membrane, Gas separation

Abstract: Membrane and membrane process have been considered as one of the most promising technologies for mitigating CO₂ emissions from the use of fossil fuels. In this paper, recent advances in polymeric membranes for CO₂ capture are reviewed in terms of material design and membrane formation. The selected polymeric materials are grouped based on their gas transport mechanisms, i.e., solution-diffusion and facilitated transport. The discussion of solution-diffusion membranes encompasses the recent efforts to shift the upper bound barrier, including the enhanced CO₂ solubility in several rubbery polymers and novel methods to construct shape-persisting macromolecules with unprecedented sieving ability. The carrier-bearing facilitated transport membranes are categorized based on the specific CO₂-carrier chemistry. Finally, opportunities and challenges in practical applications are also discussed, including post-combustion carbon capture (CO₂/N₂), hydrogen purification (CO₂/H₂), and natural gas sweetening (CO₂/CH₄).

Key words: Carbon capture, Polymeric membrane, Gas separation

Yang Han, W. S. Winston Ho. Recent advances in polymeric membranes for CO₂ capture[J]. Chinese Journal of Chemical Engineering, 2018, 26(11): 2238-2254.

Yang Han, W. S. Winston Ho. Recent advances in polymeric membranes for CO₂ capture[J]. Chin.J.Chem.Eng., 2018, 26(11): 2238-2254.

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Recent advances in polymeric membranes for CO₂ capture

Recent advances in polymeric membranes for CO₂ capture

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