Improving the performance of vacuum swing adsorption based CO2 capture under reduced recovery requirements

•Goal: How CO2 recovery affects post-combustion CO2 capture by vacuum swing adsorption?•Impact of flue gas composition, adsorbents and vacuum pump efficiency studied.•Significant parasitic energy drop & productivity increase at lower recovery.•3× productivity increase for adsorbent UTSA-16 by lo...

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Bibliographic Details
Published in:International journal of greenhouse gas control 2020-02, Vol.93, p.102902, Article 102902
Main Authors: Maruyama, Rafael Teruo, Pai, Kasturi Nagesh, Subraveti, Sai Gokul, Rajendran, Arvind
Format: Article
Language:English
Subjects:
CO2 capture
Metal organic framework
Partial recovery
Process optimization
Vacuum swing adsorption
Zeolite
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Summary:•Goal: How CO2 recovery affects post-combustion CO2 capture by vacuum swing adsorption?•Impact of flue gas composition, adsorbents and vacuum pump efficiency studied.•Significant parasitic energy drop & productivity increase at lower recovery.•3× productivity increase for adsorbent UTSA-16 by lowering recovery from 90% to 70%.•Process operable at moderate vacuum pressures (0.1 atm) improving practical feasibility. This work discusses the effects of reduced CO2 recovery targets, i.e.,
ISSN:1750-5836
1878-0148
DOI:10.1016/j.ijggc.2019.102902