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EnglishIn this experimental study, a membrane reactor housing a composite membrane constituted by a thin Pd-layer supported onto Al2O3is utilized to perform methanol steam reforming reaction to produce high-grade hydrogen for PEM fuel cell applications. The influence of various parameters such as temperature, from 280 to 330°C, and pressure, from 1.5 to 2.5 bar, is analyzed. A commercial Cu/Zn-based catalyst is packed in the annulus of the membrane reactor and the experimental tests are performed at space velocity equal to 18,500 h-1and H2O:CH3OH feed molar ratio equal to 2.5:1. Results in terms of methanol conversion, hydrogen recovery, hydrogen yield and products selectivities are given. As a best result of this work, 85% of methanol conversion and a highly pure hydrogen stream permeated through the membrane with a CO content lower than 10 ppm were reached at 330°C and 2.5 bar. Furthermore, a comparison between the experimental results obtained in this work and literature data is proposed and discussed.
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| Titolo: | Methanol steam reforming in an Al2O3supported thin Pd-layer membrane reactor over Cu/ZnO/Al2O3catalyst | |
| Autori: | ||
| Data di pubblicazione: | 2014 | |
| Rivista: | ||
| Handle: | http://hdl.handle.net/20.500.11770/295569 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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http://hdl.handle.net/20.500.11770/295569
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