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Technical University of Crete
Technical University of Crete
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| URI | http://purl.tuc.gr/dl/dias/B4561C49-775A-441D-A3C6-D58E986A041F | - |
| Identifier | https://doi.org/10.1016/j.ijhydene.2013.11.013 | - |
| Language | en | - |
| Extent | 13 | en |
| Title | Hydrogen production by iso-octane steam reforming over Cu catalysts supported on rare earth oxides (REOs) | en |
| Creator | Al-Musa A. | en |
| Creator | Al-Saleh M. | en |
| Creator | Ioakimidis Z. | en |
| Creator | Ouzounidou Martha | en |
| Creator | Yentekakis Ioannis V. | en |
| Creator | Konsolakis Michail | en |
| Creator | Κονσολακης Μιχαηλ | el |
| Creator | Marnellos Giorgos E. | en |
| Publisher | Elsevier | en |
| Description | Δημοσίευση σε επιστημονικό περιοδικό | el |
| Content Summary | The present work aims to investigate the steam reforming (SR) of liquid hydrocarbons toward hydrogen production, employing iso-octane as gasoline surrogate, over Cu catalysts supported on rare earth oxides (REOs). An extensive characterization study, involving X-ray diffraction (XRD), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), and temperature-programmed reduction (TPR), is undertaken to correlate the structural, morphological and surface properties of catalysts with their reforming performance. Several parameters related to the effect of operation temperature (600–800 °C), steam/carbon ratio (1–3) and Cu loading (0–25 wt%) on the catalytic performance are investigated. The results reveal that the best performance is obtained over the Cu/CeO2 catalysts at a steam/carbon ratio of 3; H2 yields as high as ∼55% are obtained at the expense of CH4 and higher hydrocarbons. Concerning the influence of oxide carries on reforming efficiency the following order, in terms of H2 yield, is recorded: CeO2 ≫ Nd2O3 > Gd2O3 > Sm2O3 ≈ Pr6O11 ≈ La2O3. However, a notable deterioration of Cu/CeO2 catalyst is observed in long term stability tests, ascribed to carbon deposition and catalyst sintering. | en |
| Type of Item | Peer-Reviewed Journal Publication | en |
| Type of Item | Δημοσίευση σε Περιοδικό με Κριτές | el |
| License | http://creativecommons.org/licenses/by/4.0/ | en |
| Date of Item | 2015-11-04 | - |
| Date of Publication | 2014 | - |
| Subject | Iso-octane steam reforming | en |
| Subject | Rare earth oxides (REOs) | en |
| Subject | Cu/REOs catalysts | en |
| Bibliographic Citation | A. Al-Musa, M. Al-Saleh, Z. Ioakimidis, M. Ouzounidou, I.V. Yentekakis, M. Konsolakis, G.E. Marnellos, "Hydrogen production by iso-octane steam reforming over Cu catalysts supported on rare earth oxides (REOs)," International Journal of Hydrogen Energy, vol. 39, no. 3, pp. 1350–1363, Jan. 2014. doi: 10.1016/j.ijhydene.2013.11.013 | en |
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