| Autor: |
J.A. Cecilia, E. Vilarrasa-García, N. Chouikhi, R. Morales-Ospino, S. Besghaier, M. Chlendi, M. Bagane, M. Bastos-Neto, D.C.S. Azevedo, E. Rodríguez-Castellón |
| Jazyk: |
angličtina |
| Rok vydání: |
2022 |
| Předmět: |
|
| Zdroj: |
Sustainable Chemistry for Climate Action, Vol 1, Iss , Pp 100006- (2022) |
| Druh dokumentu: |
article |
| ISSN: |
2772-8269 |
| DOI: |
10.1016/j.scca.2022.100006 |
| Popis: |
In this work we have analyzed the synthesis of microporous materials using sucrose as carbon source and porous clay heterostructures as template to promote a hierarchical organization of pores, which is a novelty in the synthesis of carbonaceous materials. The study comprises the evaluation of the synthesis conditions such as the addition of a base (KOH) or the variation of the pyrolysis temperature (600, 750 and 900 °C). The studied materials were characterized via X ray diffraction, Transmission Electron Microscopy, gas adsorption, Attenuated Total Reflectance, Raman spectroscopy and X-ray Photoelectron Spectroscopy. Additionally, the performance of the synthesized adsorbents in terms of CO2 uptake at three temperatures (0, 25 and 45 °C) was assessed and compared with similar materials reported in the literature. The results suggested by and large that the use of the base and the highest pyrolysis temperature (900 °C) during the synthesis enhances the CO2 adsorption at the different evaluated temperatures. Nonetheless, it is at the lowest pyrolysis temperature i.e., 600 °C, where one can observe a more accentuated superior performance of the material synthesized with base than that obtained without the addition of KOH. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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