Polyvinylamine-Based Facilitated Transport Membranes for Post-Combustion CO2 Capture: Challenges and Perspectives from Materials to Processes

Xuezhong He

doi:10.1016/j.eng.2020.11.001

Polyvinylamine-Based Facilitated Transport Membranes for Post-Combustion CO₂ Capture: Challenges and Perspectives from Materials to Processes

Xuezhong He

Chemical Engineering

Research output: Contribution to journal › Article › peer-review

33 Scopus citations

Abstract

Carbon dioxide (CO₂) capture by gas-separation membranes has become increasingly attractive due to its high energy efficiency, relatively low cost, and environmental impact. Polyvinylamine (PVAm)-based facilitated transport (FT) membranes were developed in the last decade for CO₂ capture. This work discusses the challenges of applying PVAm-based FT membranes from materials to processes for post-combustion CO₂ capture in power plants and cement factories. Experiences learned from a pilot demonstration system can be used to guide the design of other membranes for CO₂ capture. The importance of module and process design is emphasized in the achievement of a high-performance membrane system. Moreover, the results from process simulation and cost estimation indicate that a three-stage membrane system is feasible for achieving a high CO₂ purity of 95 vol%. The specific CO₂ capture cost was found to significantly depend on the required CO₂ capture ratio, and a moderate CO₂ capture ratio of 50% presented a cost of 63.7 USD per tonne CO₂ captured. Thus, FT membrane systems were found to be more competitive for partial CO₂ capture.

Original language	English
Pages (from-to)	124-131
Number of pages	8
Journal	Engineering
Volume	7
Issue number	1
DOIs	https://doi.org/10.1016/j.eng.2020.11.001
State	Published - Jan 2021

Keywords

CO capture
Facilitated transport membranes
Flue gas
Hollow fiber
Process simulation

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This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1016/j.eng.2020.11.001

Cite this

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title = "Polyvinylamine-Based Facilitated Transport Membranes for Post-Combustion CO2 Capture: Challenges and Perspectives from Materials to Processes",

abstract = "Carbon dioxide (CO2) capture by gas-separation membranes has become increasingly attractive due to its high energy efficiency, relatively low cost, and environmental impact. Polyvinylamine (PVAm)-based facilitated transport (FT) membranes were developed in the last decade for CO2 capture. This work discusses the challenges of applying PVAm-based FT membranes from materials to processes for post-combustion CO2 capture in power plants and cement factories. Experiences learned from a pilot demonstration system can be used to guide the design of other membranes for CO2 capture. The importance of module and process design is emphasized in the achievement of a high-performance membrane system. Moreover, the results from process simulation and cost estimation indicate that a three-stage membrane system is feasible for achieving a high CO2 purity of 95 vol%. The specific CO2 capture cost was found to significantly depend on the required CO2 capture ratio, and a moderate CO2 capture ratio of 50% presented a cost of 63.7 USD per tonne CO2 captured. Thus, FT membrane systems were found to be more competitive for partial CO2 capture.",

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AB - Carbon dioxide (CO2) capture by gas-separation membranes has become increasingly attractive due to its high energy efficiency, relatively low cost, and environmental impact. Polyvinylamine (PVAm)-based facilitated transport (FT) membranes were developed in the last decade for CO2 capture. This work discusses the challenges of applying PVAm-based FT membranes from materials to processes for post-combustion CO2 capture in power plants and cement factories. Experiences learned from a pilot demonstration system can be used to guide the design of other membranes for CO2 capture. The importance of module and process design is emphasized in the achievement of a high-performance membrane system. Moreover, the results from process simulation and cost estimation indicate that a three-stage membrane system is feasible for achieving a high CO2 purity of 95 vol%. The specific CO2 capture cost was found to significantly depend on the required CO2 capture ratio, and a moderate CO2 capture ratio of 50% presented a cost of 63.7 USD per tonne CO2 captured. Thus, FT membrane systems were found to be more competitive for partial CO2 capture.

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