Surface modification of activated carbons for CO2 capture
By C. Pevida, M. Plaza, B. Arias, J. Fermoso, F. Rubiera, J. J. Pis. 2008
465 citations recorded by the source corpus.
Abstract The reduction of anthropogenic CO2 emissions to address the consequences of climate change is a matter of concern for all developed countries. In the short term, one of the most viable options for reducing carbon emissions is to capture and store CO2 at large stationary sources. Adsorption with solid sorbents is one of the most promising options. In this work, two series of materials were prepared from two commercial activated carbons, C and R, by heat treatment with gaseous ammonia at temperatures in the 200–800 °C range. The aim was to improve the selectivity and capacity of the sorbents to capture CO2, by introducing basic nitrogen-functionalities into the carbons. The sorbents were characterised in terms of texture and chemical composition. Their surface chemistry was studied through temperature-programmed desorption tests and X-ray photoelectron spectroscopy. The capture performance of the carbons was evaluated by using a thermogravimetric analyser to record mass uptakes by the samples when exposed to a CO2 atmosphere.
Subfields: Biomedical Engineering, Mechanical Engineering
View Paper: https://www.semanticscholar.org/paper/ac97f54eb400b30fcb8b41216374ad50bd32df4b
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In Biomedical Engineering
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Citations in the corpus
- Chitosan derived nitrogen-doped microporous carbons for high performance CO2 capture (2013, methodology): “In order to achieve this goal, many approaches have been developed, mainly including post modification of amine or ammonia on carbon surface and incorporation of nitrogen groups into carbon frameworks [7–9].”
- Breakthrough adsorption study of a commercial activated carbon for pre-combustion CO2 capture (2011, unknown): “A fully detailed chemical and textural characterisation of this carbon has been reported previously [27].”
- Facile synthesis of porous carbon nitride spheres with hierarchical three-dimensional mesostructures for CO2 capture (2010, methodology): “Pevida et al. [ 25 ] synthesized activated carbon containing 2.1 wt% of nitrogen by ammonia treatment at 900 °C, which showed capture capacities of 9.6 and 3.2 wt% at 25 and 75 ° C, respectively.”