production of hydrogen in the reaction between aluminum and water in the presence of naoh and koh
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2012
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Abstract
The objective of this work is to investigate the production of hydrogen as an energy source by means of the reaction of aluminum with water. This reaction only occurs in the presence of NaOH and KOH, which behave as catalysts. The main advantages of using aluminum for indirect energy storage are: recyclability, non-toxicity and easiness to shape. Alkali concentrations varying from 1 to 3 mol.L-1 were applied to different metallic samples, either foil (0.02 mm thick) or plates (0.5 and 1 mm thick), and reaction temperatures between 295 and 345 K were tested. The results show that the reaction is strongly influenced by temperature, alkali concentration and metal shape. NaOH commonly promotes faster reactions and higher real yields than KOH.
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porcincula2012brazilianproduction
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| Authors | ;C. B. Porciúncula;N. R. Marcilio;I. C. Tessaro;M. Gerchmann |
| Journal | database and network journal |
| Year | 2012 |
| DOI |
10.1590/S0104-66322012000200014
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