Pine cone shell-based activated carbon used for CO 2 adsorption

In this study, pine cone shell-based activated carbons were used to adsorb CO 2 . After a carbonization process at 500 °C, the resulting preliminary activated carbons (Non-PAC) were activated under different conditions. The results indicated good CO 2 adsorption performance of pine cone shell-based...

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Published in:Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2016, Vol.4 (14), p.5223-5234
Main Authors: Li, Kaimin, Tian, Sicong, Jiang, Jianguo, Wang, Jiaming, Chen, Xuejing, Yan, Feng
Format: Article
Language:English
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Summary:In this study, pine cone shell-based activated carbons were used to adsorb CO 2 . After a carbonization process at 500 °C, the resulting preliminary activated carbons (Non-PAC) were activated under different conditions. The results indicated good CO 2 adsorption performance of pine cone shell-based activated carbons. For example, after activation at 650 °C and with a KOH : Non-PAC ratio of 2, the activated carbon (named as PAC-650/2) achieved a high CO 2 adsorption capacity of 7.63 mmol g −1 and 2.35 mmol g −1 at 0 °C under 1 and 0.15 bar pressure, respectively. To determine the potential correlation between the amount of CO 2 adsorbed and micropore distribution, linear correlations between cumulative pore volume over different ranges and amount of CO 2 adsorbed were analyzed. Results showed that pores
ISSN:2050-7488
2050-7496
DOI:10.1039/C5TA09908K