Improving adsorption-based direct air capture performance through operating parameter optimization

Aaro Luukkonen,Jere Elfving,Eero Inkeri

Chemical Engineering Journal(2023)

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摘要
•Effect of process parameters on DAC productivity and specific energy requirement.•A dynamic TVSA process model with the effect of humidity on CO2 adsorption was used.•Optimizing cycle step durations is critical for improving DAC performance.•DAC cost-effectiveness depends on operating parameters, weather, and unit location.•Optimizing parameters requires balancing performance and constraints.
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关键词
Direct air capture,CO2 adsorption,Dynamic modelling,Process optimization,Temperature-vacuum swing adsorption,Amine-functionalized adsorbents
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