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http://dx.doi.org/10.7316/khnes.2011.22.1.029

Effects of Environmental Variables on Hydrogen Generation from Alkaline Solutions using used Aluminum Cans  

Yun, Kwi-Sub (Department of Materials Science and Engineering, Chonnam National University)
Park, Chan-Jin (Department of Materials Science and Engineering, Chonnam National University)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.22, no.1, 2011 , pp. 29-34 More about this Journal
Abstract
This study examined the effect of environmental variables, such as the NaOH concentration and solution temperature, on the rate of hydrogen generation from NaOH solutions through the corrosion of used aluminum cans as a potential candidate material for the safe and economic production of hydrogen. Corrosion of the used aluminum cans was promoted by increasing the NaOH concentration and solution temperature because of the loss of aluminum passivity. The measured rate of hydrogen generation from the NaOH solutions increased with increasing NaOH concentration due to the catalytic activity of NaOH in the hydrolysis process. However, at higher solution temperatures, the rate of hydrogen generation rate was less affected by the NaOH concentration than that at lower temperature.
Keywords
Used aluminum can; Hydrogen generation; Corrosion; Hydrolysis; Activation energy;
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Times Cited By KSCI : 3  (Citation Analysis)
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