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|Title:||Steam reforming of ethanol to H2 over Rh/Y2O 3: Crucial roles of Y2O3 oxidizing ability, space velocity, and H2/C|
|Citation:||Wu, X., Kawi, S. (2010). Steam reforming of ethanol to H2 over Rh/Y2O 3: Crucial roles of Y2O3 oxidizing ability, space velocity, and H2/C. Energy and Environmental Science 3 (3) : 334-342. ScholarBank@NUS Repository. https://doi.org/10.1039/b923978m|
|Abstract:||Rh/Y2O3 is found to produce the highest rate of hydrogen in steam reforming of ethanol (SRE) at a high reaction temperature of 650-800 °C, with the order of catalyst activity as follows: Rh/Y 2O3 > Rh/CeO2 > Rh/La2O 3 > Rh/Al2O3. The activity of Rh/Y 2O3 was significantly promoted due to the strong oxidizing ability of Y2O3 to oxidize the hydrogen of ethanol to form hydrogen gas. The optimal gas hourly space velocity (GHSV) of 105 000 h-1 at 700 °C produced the maximum H2/CO molar ratio and the highest hydrogen production rate. The catalyst efficiency in converting ethanol is directly reflected by H2/C, which is a new indicator established for the first time and can be used to achieve the highest hydrogen production rate at the lowest carbon emission. © 2010 The Royal Society of Chemistry.|
|Source Title:||Energy and Environmental Science|
|Appears in Collections:||Staff Publications|
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