CO2 Adsorption Study of Potassium-Based Activation of Carbon Spheres

The adsorption properties of microporous spherical carbon materials obtained from the resorcinol-formaldehyde resin, treated in a solvothermal reactor heated with microwaves and then subjected to carbonization, are presented. The potassium-based activation of carbon spheres was carried out in two wa...

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Published inMolecules (Basel, Switzerland) Vol. 27; no. 17; p. 5379
Main Authors Pełech, Iwona, Staciwa, Piotr, Sibera, Daniel, Pełech, Robert, Sobczuk, Konrad S., Kayalar, Gulsen Yagmur, Narkiewicz, Urszula, Cormia, Robert
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 23.08.2022
MDPI
Subjects
Activated carbon
activation
Adsorption
Carbon dioxide
carbon spheres
Formaldehyde resins
Microwaves
Morphology
Nitrogen
Physical properties
Pore size
Porous materials
Potassium
potassium hydroxide
Resorcinol
Vapor phases
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Summary:The adsorption properties of microporous spherical carbon materials obtained from the resorcinol-formaldehyde resin, treated in a solvothermal reactor heated with microwaves and then subjected to carbonization, are presented. The potassium-based activation of carbon spheres was carried out in two ways: solution-based and solid-based methods. The effect of various factors, such as chemical agent selection, chemical activating agent content, and the temperature or time of activation, was investigated. The influence of microwave treatment on the adsorption properties was also investigated and described. The adsorption performance of carbon spheres was evaluated in detail by examining CO2 adsorption from the gas phase.
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content type line 23
ISSN:1420-3049
1420-3049
DOI:10.3390/molecules27175379