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Institutional Repository [SANDBOX]
Technical University of Crete
Technical University of Crete
EN
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| URI: | http://purl.tuc.gr/dl/dias/A751F3D2-4FA5-4EC9-AC39-BB68B0B8F89A | ||
| Year | 2021 | ||
| Type of Item | Peer-Reviewed Journal Publication | ||
| License |
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| Bibliographic Citation | G. I. Siakavelas, A. G. Georgiadis, N. D. Charisiou, I. V. Yentekakis, and M. A. Goula, “Cost-effective adsorption of oxidative coupling-derived ethylene using a molecular sieve,” Chem. Eng. Technol., vol. 44, no. 11, pp. 2041–2048, Nov. 2021, doi: 10.1002/ceat.202100147. https://doi.org/10.1002/ceat.202100147 | ||
| Appears in Collections |
The adsorption of ethylene (C2H4) from a mixture simulating the products obtained during the oxidative coupling of CH4 using a commercial molecular sieve (MOS) is investigated. A joint experimental and theoretical approach has been employed. The adsorbent's trapping capacity decreases at higher temperatures, while the breakpoint time drops when the inlet C2H4 concentration increases. The Dubinin-Radushkevich isotherm model can better describe the adsorption of C2H4 onto the MOS. Pore diffusion is the rate-determining step given that the Bangham's kinetic model was the more suitable for this adsorption process. Finally, the low activation energy obtained corroborates the predominance of physical adsorption.
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