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Dynamic bed measurements of CO adsorption on microporous adsorbents at high pressures for hydrogen purification processes

  • Regarding the importance of adsorptive removal of carbon monoxide from hydrogen-rich mixtures for novel applications (e.g. fuel cells), this work provides a series of experimental data on adsorption isotherms and breakthrough curves of carbon monoxide. Three recently developed 5A zeolites and one commercial activated carbon were used as adsorbents. Isotherms were measured gravimetrically atRegarding the importance of adsorptive removal of carbon monoxide from hydrogen-rich mixtures for novel applications (e.g. fuel cells), this work provides a series of experimental data on adsorption isotherms and breakthrough curves of carbon monoxide. Three recently developed 5A zeolites and one commercial activated carbon were used as adsorbents. Isotherms were measured gravimetrically at temperatures of 278–313 K and pressures up to 0.85 MPa. Breakthrough curves of CO were obtained from dynamic column measurements at temperatures of 298–301 K, pressures ranging from 0.1 MPa to ca. 6 MPa and concentrations of CO in H2/CO mixtures of 5–17.5 mol%. A simple mathematical model was developed to simulate breakthrough curves on adsorbent beds using measured and calculated data as inputs. The number of parameters and the use of correlations to evaluate them were restricted in order to focus the importance of measured values. For the given assumptions and simplifications, the results show that the model predictions agree satisfactorily with the experimental data at the different operating conditions applied.show moreshow less

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Metadaten
Document Type:Article (reviewed)
Zitierlink: https://opus.hs-offenburg.de/3524
Bibliografische Angaben
Title (English):Dynamic bed measurements of CO adsorption on microporous adsorbents at high pressures for hydrogen purification processes
Title Additional (German):Dynamische Messungen der Hochdruck-CO-Adsorption an mikroporösen Adsorptionsmitteln für die Wasserstoffreinigung
Author:Moises Bastos-Neto, Andreas Möller, Reiner StaudtStaff MemberGND, Jürgen Böhm, Roger Gläser
Year of Publication:2011
Date of first Publication:2010/12/21
Publisher:Elsevier
First Page:251
Last Page:260
Parent Title (English):Separation and Purification Technology
Volume:77
Issue:2
ISSN:1383-5866
DOI:https://doi.org/10.1016/j.seppur.2010.12.015
Language:English
Inhaltliche Informationen
Institutes:Fakultät Maschinenbau und Verfahrenstechnik (M+V)
Institutes:Bibliografie
GND Keyword:Adsorption; Aufreinigung; Hochdruck; Wasserstoff
Formale Angaben
Open Access: Open Access 
Licence (German):License LogoUrheberrechtlich geschützt