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How Well Do Approximate Models of Adsorption-Based CO 2 Capture Processes Predict Results of Detailed Process Models?

Journal Article · · Industrial and Engineering Chemistry Research
Appropriate selection of adsorbent materials is essential in developing adsorption-based processes such as CO2 capture. Approximate methods to evaluate material candidates exist using adsorbent evaluation metrics or simplified process models. These approximate methods do not, of course, completely describe the performance of adsorbents in real separation processes. Here, we assess the correlations between approximate predictions and detailed process models of pressure swing adsorption (PSA) at subambient temperatures for postcombustion CO2 capture using metal–organic frameworks (MOFs). Our research indicates that CO2 swing capacity and adsorbent performance score are useful in predicting the ranking of materials for this process. These results illustrate the opportunities and challenges in bridging approximate and detailed methods for evaluating adsorbents for cyclic separations processes.
Research Organization:
Georgia Institute of Technology, Atlanta, GA (United States)
Sponsoring Organization:
USDOE Office of Fossil Energy (FE)
Grant/Contract Number:
FE0026433
OSTI ID:
1799845
Journal Information:
Industrial and Engineering Chemistry Research, Journal Name: Industrial and Engineering Chemistry Research Journal Issue: 15 Vol. 59; ISSN 0888-5885
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English

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  • García, Edder J.; Pérez-Pellitero, Javier; Pirngruber, Gerhard D.
  • Industrial & Engineering Chemistry Research, Vol. 53, Issue 23 https://doi.org/10.1021/ie500207s
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