Capture of CO2 from Flue Gas onto Coconut Fibre-Based Activated Carbon and Zeolites in a Fixed Bed

• Published in: Transport in porous media Vol. 110; no. 3; pp. 503 - 519
• Main Authors: Hauchhum, L., Mahanta, P., De Wilde, J.
• Format: Journal Article
• Language: English
• Published: Dordrecht Springer Netherlands 01.12.2015; Springer Nature B.V
• Subjects: Activated carbon; Adsorbates; Adsorbents; Adsorption; Carbon dioxide; Carbon sequestration; Civil Engineering; Classical and Continuum Physics; Computer simulation; Earth and Environmental Science; Earth Sciences; Fixed beds; Flue gas; Geotechnical Engineering & Applied Earth Sciences; Greenhouse effect; Greenhouse gases; Hydrogeology; Hydrology/Water Resources; Industrial Chemistry/Chemical Engineering; Isotherms; Mass transfer; Zeolites; Linear driving force; Zeolite; Adsorption; Activated carbon; Breakthrough curve
• ISSN: 0169-3913; 1573-1634
• DOI: 10.1007/s11242-015-0569-7

Removal of CO 2 from flue gases has become an effective way to mitigate the greenhouse gases, and adsorption is considered to be one of the methods. Adsorption of CO 2 on locally available coconut fibre-based activated carbon has been investigated and compared with adsorbents like zeolite 13X, zeolite 5A, and zeolite 4A at a temperature ranging from 298 to 333 K and pressure up to 100 kPa. The adsorption process was simulated by considering a linear driving force for the overall mass transfer and diffusivity factor. It was observed that the simulated curves acceptably reproduce the experimental data for the different temperatures studied. The adsorption isotherms for the three adsorbents were obtained and equilibrium characters about both adsorbate and adsorbent were analysed based on Toth isotherm model.