Effect of Activation Temperature on Porous Structure of Carbon Derived from Petroleum Asphalt Full article
| Conference |
Техника и технология нефтехимического и нефтегазового производства : 12-ая Международная научно-техническая конференция 16-19 Feb 2022 , Омск |
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| Journal |
AIP Conference Proceedings
ISSN: 0094-243X , E-ISSN: 1551-7616 |
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| Output data | Year: 2023, Volume: 2784, Number: 1, Article number : 020008-1, Pages count : 7 DOI: 10.1063/5.0140541 | ||
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| Affiliations |
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Funding (1)
| 1 | Ministry of Science and Higher Education of the Russian Federation | 0239-2021-0012 |
Abstract:
We report on petroleum asphalt–based porous carbons with high textural characteristics, CO2/N2 adsorption capacity and selectivity. A series of samples was prepared by a two-stage method, including preliminary heat treatment of asphalt at 450°C and KOH activation. The activation temperature varied from 700 to 900°C. Correlation between the porous structure and adsorption properties of asphalt-based porous carbons on the activation temperature was obtained. The activation temperature of petroleum asphalt has a significant effect on the porous structure of the activated carbon materials. Thus, exclusively microporous sample is formed at the temperature of 700 °С. An increase in the activation temperature to 800°C leads to the formation of mesopores. The decrease in textural characteristics due to the formation of more stable carbon structures to gasification reactions takes place at a temperature of 900 °С. In addition, the adsorption capacity of CO2 was measured for carbon samples. The porous carbon activated at 700 °C and derived from petroleum asphalt exhibited high CО2 adsorption capacity of 6.3 mmol/g at 0 °C and 1 atm and good selectivity for CO2 over N2, indicating possible applications in CO2 capture technology.
Cite:
Gorbunova O.V.
, Baklanova O.N.
, Gulyaeva T.I.
, Trenikhin M.V.
Effect of Activation Temperature on Porous Structure of Carbon Derived from Petroleum Asphalt
AIP Conference Proceedings. 2023. V.2784. N1. 020008-1 :1-7. DOI: 10.1063/5.0140541 Scopus AN OpenAlex
Effect of Activation Temperature on Porous Structure of Carbon Derived from Petroleum Asphalt
AIP Conference Proceedings. 2023. V.2784. N1. 020008-1 :1-7. DOI: 10.1063/5.0140541 Scopus AN OpenAlex
Dates:
| Submitted: | Dec 28, 2022 |
| Accepted: | Feb 17, 2023 |
| Published print: | Jul 26, 2023 |
| Published online: | Jul 26, 2023 |
Identifiers:
| Scopus: | 2-s2.0-85176778610 |
| Chemical Abstracts: | 2023:1592121 |
| OpenAlex: | W4385270740 |
Citing:
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