Abstract
The sorption of \(\mathrm{CO}_{2}\) and \(\mathrm{CH}_{4}\) in binderless beads of 13X zeolite has been investigated between 313 and 423 K and total pressure up to 0.5 MPa through fixed bed adsorption experiments. Experimental selectivities \(\mathrm{CO}_{2}/\mathrm{CH}_{4}\) range from 37 at a low pressure of 0.0667 MPa to approximately 5 at the high temperature of 423 K. The breakthrough curves measured show a plateau of pure \(\mathrm{CH}_{4}\) of approximately 6 min depending of the operating conditions chosen. A mathematical model was developed and tested predicting with good accuracy the behaviour of the fixed bed adsorption experiments being a valuable tool for the design of cyclic adsorption processes for biogas upgrading and \(\mathrm{CO}_{2}\) capture using 13X zeolite.
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This work was co-financed by FCT/MEC, FEDER under Programe PT2020 (Project UID/EQU/50020/2013).
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Silva, J.A.C., Rodrigues, A.E. (2015). Modelling the Fixed Bed Adsorption Dynamics of CO2/CH4 in 13X Zeolite for Biogas Upgrading and CO2 Sequestration. In: Bourguignon, JP., Jeltsch, R., Pinto, A., Viana, M. (eds) Mathematics of Energy and Climate Change. CIM Series in Mathematical Sciences, vol 2. Springer, Cham. https://doi.org/10.1007/978-3-319-16121-1_18
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DOI: https://doi.org/10.1007/978-3-319-16121-1_18
Publisher Name: Springer, Cham
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