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Adsorption of CO2 in presence of NOx and SOx on activated carbon textile for CO2 capture in post-combustion conditions

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Abstract

The influence of NOx and SO2 contaminants on CO2 capture by adsorption was investigated using a carbon fiber textile as an adsorbent. The study was made in a dynamic system, studying the contaminant alone and in binary or ternary mixtures. The results at short times showed that the CO2 capacity and kinetics were not impacted by the presence of NOx in the entrance gas whereas the NOx capacity was slightly impacted by the presence of CO2. In the presence of SO2, the CO2 capacity loss reached 10%. Moreover, with NOx and SO2 accumulation at the surface of the textile, the loss of CO2 capacity can reach 25% and SO2 adsorption is favored to the detriment of NO. For CO2 capture processes by adsorption de-SOx pretreatment is recommended.

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Correspondence to C. Vallières.

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Boumghar, S., Bedel, S., Sigot, L. et al. Adsorption of CO2 in presence of NOx and SOx on activated carbon textile for CO2 capture in post-combustion conditions. Adsorption 26, 1173–1181 (2020). https://doi.org/10.1007/s10450-020-00207-6

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  • DOI: https://doi.org/10.1007/s10450-020-00207-6

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