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ANSTO Publications Online >
Journal Publications >
Journal Articles >
Please use this identifier to cite or link to this item:
http://apo.ansto.gov.au/dspace/handle/10238/4097
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| Title: | Interaction between a bimetallic Ni-Co catalyst and micrometer-sized CaO for enhanced H2 production during cellulose decomposition |
| Authors: | Zhao, M Yang, X Church, TL Harris, AT |
| Keywords: | Cellulose CATALYSTS DECOMPOSITION HYDROGEN DOLOMITE GASIFICATION |
| Issue Date: | 1-Jan-2011 |
| Publisher: | ELSEVIER |
| Citation: | Zhao, M., Yang, X.S., Church, T.L., Harris, A.T. (2011). Interaction between a bimetallic Ni-Co catalyst and micrometer-sized CaO for enhanced H(2) production during cellulose decomposition. International Journal of Hydrogen Energy, 36(1), 421-431. |
| Abstract: | An SBA-15 supported Ni-Co catalyst and micrometer-sized CaO were used as additives in cellulose decomposition in the presence and absence of injected H(2)O. A thermogravimetric analyser coupled to a mass spectrometer (TG-MS) was used to examine the different roles of the Ni-Co catalyst and CaO in tuning the kinetics of decomposition and the distribution of the gaseous products. There existed optimal additive/cellulose ratios beyond which H(2) generation could not be enhanced by using more of a single additive. However, the combination of both the additives dramatically promoted selective H(2) generation. The mechanism of their interaction is discussed. When the catalyst, CaO, and 1 vol.% H(2)O were present, a stable sustained (interval of > 150 degrees C) high-rate (max > 80 vol.%) H(2) output resulted. The cumulative H(2) yield (250-550 degrees C) reached 688 ml/g cellulose and the H(2) selectivity during this period was nearly 70 vol.%. The char yield was also minimized, at 5.2%. (C) 2010 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved. |
| URI: | http://dx.doi.org/10.1016/j.ijhydene.2010.09.053 http://apo.ansto.gov.au/dspace/handle/10238/4097 |
| ISSN: | 0360-3199 |
| Appears in Collections: | Journal Articles |
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