Preferential CO oxidation over Cu/CeO sub(2-x) catalyst: Internal mass transport limitation
The effect of internal mass transport limitation on the preferential CO oxidation in hydrogen-rich mixture over copper-cerium oxide catalyst in a form of pellets and washcoat in microchannel reactor is estimated. Internal effectiveness factor eta sub(CO) >0.8 in the optimum interval of reaction t...
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| Veröffentlicht in: | Chemical engineering journal (Lausanne, Switzerland : 1996) Switzerland : 1996), 2011-12, Vol.176-177, p.165-171 |
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| container_title | Chemical engineering journal (Lausanne, Switzerland : 1996) |
| container_volume | 176-177 |
| creator | Potemkin, DI Snytnikov, P V Belyaev, V D Sobyanin, V A |
| description | The effect of internal mass transport limitation on the preferential CO oxidation in hydrogen-rich mixture over copper-cerium oxide catalyst in a form of pellets and washcoat in microchannel reactor is estimated. Internal effectiveness factor eta sub(CO) >0.8 in the optimum interval of reaction temperature (170-230 degree C) is reached if the pellet diameter and washcoat thickness do not exceed 100 and 20 mu m, respectively. Compared to conventional packed-bed reactor with catalyst pellets, microchannel catalytic washcoated reactor is more appropriate for practical use. |
| doi_str_mv | 10.1016/j.cej.2011.08.081 |
| format | Article |
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Internal effectiveness factor eta sub(CO) >0.8 in the optimum interval of reaction temperature (170-230 degree C) is reached if the pellet diameter and washcoat thickness do not exceed 100 and 20 mu m, respectively. 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| ispartof | Chemical engineering journal (Lausanne, Switzerland : 1996), 2011-12, Vol.176-177, p.165-171 |
| issn | 1385-8947 |
| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Carbon monoxide CATALYSTS CERIUM ALLOYS (0 TO 50 CE) Chemical engineering Microchannels Oxidation PELLETS Reactors Transport |
| title | Preferential CO oxidation over Cu/CeO sub(2-x) catalyst: Internal mass transport limitation |
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