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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/10238/4120
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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: | CATALYSTS CELLULOSE CALCIUM OXIDES HYDROGEN PRODUCTION DECOMPOSITION COBALT NIOBIUM |
| Issue Date: | 1-Jan-2011 |
| Publisher: | ELSEVIER |
| Citation: | Zhao, M., Yang, X. S., Church, T. L., Harris, A. T., (2012). Interaction between a bimetallic Ni-Co catalyst and micrometer-sized CaO for enhanced H-2 production during cellulose decomposition. International Journal of Hydrogen Energy, 37(2), 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 H2O. 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 H2 generation could not be enhanced by using more of a single additive. However, the combination of both the additives dramatically promoted selective H2 generation. The mechanism of their interaction is discussed. When the catalyst, CaO, and 1 vol.% H2O were present, a stable sustained (interval of >150 °C) high-rate (max >80 vol.%) H2 output resulted. The cumulative H2 yield (250–550 °C) reached 688 ml/g cellulose and the H2 selectivity during this period was nearly 70 vol.%. The char yield was also minimized, at 5.2%.© 2011, Elsevier |
| URI: | http://dx.doi.org/10.1016/j.ijhydene.2011.10.027 http://apo.ansto.gov.au/dspace/handle/10238/4120 |
| ISSN: | 0360-3199 |
| Appears in Collections: | Journal Articles |
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