MgO-modified mesoporous silicas impregnated by potassium carbonate for carbon dioxide adsorption

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F13%3A00386050" target="_blank" >RIV/61388955:_____/13:00386050 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1016/j.micromeso.2012.05.026" target="_blank" >http://dx.doi.org/10.1016/j.micromeso.2012.05.026</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.micromeso.2012.05.026" target="_blank" >10.1016/j.micromeso.2012.05.026</a>

Result language
angličtina
Original language name
MgO-modified mesoporous silicas impregnated by potassium carbonate for carbon dioxide adsorption
Original language description
Mesoporous adsorbents for carbon dioxide capture were prepared by introducing of magnesium oxide and potassium carbonate into SBA-15, SBA-16 silicas and MCM-48-like-silica. In order to avoid destruction of silica supports, a novel procedure based on theprecipitation of magnesium acetate on the silica surface was developed. Subsequent in situ chemical conversion of magnesium acetate provided magnesium oxalate, while final magnesium oxide was formed by calcination. To introduce potassium carbonate, silica modified with MgO was impregnated with potassium oxalate followed by its conversion to carbonate. All prepared mesoporous adsorbents preserved characteristic features of mesoporous molecular sieve. The comparison of carbon dioxide isotherms obtained onprepared samples reveals that their adsorption properties are decisively influenced by the type of mesoporous structure. Modified sample of SBA-15 silica has shown the most steep adsorption isotherm and higher CO2 adsorption capacity tha
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
CF - Physical chemistry and theoretical chemistry
OECD FORD branch
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Project
<a href="/en/project/GA203%2F08%2F0604" target="_blank" >GA203/08/0604: Advanced molecular sieves for capture and storage of CO2 and H2</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2013
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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