Polymeric composite membranes in carbon dioxide capture process: a review

Area of Science:

• Environmental Science
• Chemical Engineering
• Materials Science

Background:

• Atmospheric carbon dioxide (CO2) emissions drive global warming and climate change.
• Controlling CO2 emissions requires capturing it from industrial sources.
• Various methods exist for CO2 capture, including liquid absorbents, solid adsorbents, and membranes.

Purpose of the Study:

• To review the application of polymeric composite membranes for CO2 capture.
• To discuss different polymeric materials and their modifications for improved CO2 absorption.
• To explore the potential of these membranes in industrial CO2 gas separation.

Main Methods:

• Review of existing literature on polymeric composite membranes for CO2 capture.
• Analysis of different polymeric materials and their physicochemical modifications.
• Evaluation of membrane performance in terms of CO2 capturing ability.

Main Results:

• Polymeric composite membranes demonstrate superior performance in CO2 capture compared to other membrane types.
• Composite structures enhance gas flux and reduce material requirements.
• Facilitates the use of high-performance, expensive materials for effective CO2 capture.

Conclusions:

• Polymeric composite membranes are a promising technology for industrial CO2 capture.
• Further research into material modifications can enhance CO2 capture efficiency.
• These membranes offer a viable pathway for mitigating climate change through industrial emission control.