Issue 18, 2023

Evaluating degradation of CO2 adsorbents in flue gas from bioenergy with carbon capture and storage

Abstract

The potential degradation of CO2 adsorbents in Bioenergy with Carbon Capture and Storage (BECCS) was investigated through direct exposure to biomass combustion flue gas. Pre- and post-exposure characterization after 6–12 hours of exposure provided valuable insight into how common adsorbents would realistically perform in a BECCS process. The stability of zeolites and robust ZIFs was confirmed, but some unanticipated degradation mechanisms of less-stable MOFs and amine-based materials were also revealed, including pore fouling and chemical poisoning. The results emphasize the need for stability evaluations of adsorbents in comprehensive flue gas mixtures and suggest relationships between sorbent structure and degradation mechanism and extent.

Graphical abstract: Evaluating degradation of CO2 adsorbents in flue gas from bioenergy with carbon capture and storage

Supplementary files

Article information

Article type
Paper
Submitted
27 Jun 2023
Accepted
09 Aug 2023
First published
09 Aug 2023

Sustainable Energy Fuels, 2023,7, 4602-4607

Author version available

Evaluating degradation of CO2 adsorbents in flue gas from bioenergy with carbon capture and storage

H. E. Holmes, R. D. Schreck, P. Narayanan, S. Ghosh, W. Sun, M. J. Realff and R. P. Lively, Sustainable Energy Fuels, 2023, 7, 4602 DOI: 10.1039/D3SE00823A

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