CeO2-Blended Cellulose Triacetate Mixed-Matrix Membranes for Selective CO2 Separation
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F21%3A43923352" target="_blank" >RIV/60461373:22310/21:43923352 - isvavai.cz</a>
Alternative codes found
RIV/60461373:22340/21:43923352
Result on the web
<a href="https://www.mdpi.com/2077-0375/11/8/632" target="_blank" >https://www.mdpi.com/2077-0375/11/8/632</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.3390/membranes11080632" target="_blank" >10.3390/membranes11080632</a>
Alternative languages
Result language
angličtina
Original language name
CeO2-Blended Cellulose Triacetate Mixed-Matrix Membranes for Selective CO2 Separation
Original language description
Due to the high affinity of ceria (CeO2) towards carbon dioxide (CO2) and the high thermal and mechanical properties of cellulose triacetate (CTA) polymer, mixed-matrix CTA-CeO2 membranes were fabricated. A facile solution-casting method was used for the fabrication process. CeO2 nanoparticles at concentrations of 0.32, 0.64 and 0.9 wt.% were incorporated into the CTA matrix. The physico-chemical properties of the membranes were evaluated by SEM-EDS, XRD, FTIR, TGA, DSC and strain-stress analysis. Gas sorption and permeation affinity were evaluated using different single gases. The CTA-CeO2 (0.64) membrane matrix showed a high affinity towards CO2 sorption. Almost complete saturation of CeO2 nanoparticles with CO2 was observed, even at low pressure. Embedding CeO2 nanoparticles led to increased gas permeability compared to pristine CTA. The highest gas permeabilities were achieved with 0.64 wt.%, with a threefold increase in CO2 permeability as compared to pristine CTA membranes. Unwanted aggregation of the filler nanoparticles was observed at a 0.9 wt.% concentration of CeO2 and was reflected in decreased gas permeability compared to lower filler loadings with homogenous filler distributions. The determined gas selectivity was in the order CO2/CH4 > CO2/N-2 > O-2/N-2 > H-2/CO2 and suggests the potential of CTA-CeO2 membranes for CO2 separation in flue/biogas applications.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10404 - Polymer science
Result continuities
Project
—
Continuities
O - Projekt operacniho programu
Others
Publication year
2021
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Membranes
ISSN
2077-0375
e-ISSN
—
Volume of the periodical
11
Issue of the periodical within the volume
8
Country of publishing house
CH - SWITZERLAND
Number of pages
21
Pages from-to
632
UT code for WoS article
000689642300001
EID of the result in the Scopus database
2-s2.0-85113206830