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| Content Provider | Springer Nature Link |
|---|---|
| Author | Tanksale, A. Zhou, C. H. Beltramini, J. N. Lu, G. Q. |
| Copyright Year | 2009 |
| Abstract | Hydrogen was produced by Aqueous Phase Reforming (APR) of 10% (w/w) sorbitol using mono- and bi-metallic catalysts of Ni and Pt supported on alumina nano-fibre (Alnf), mesoporous ZrO$_{2}$ and mixed oxides of ceria–zirconia–silica (CZxS) with varying concentration of silica (where x is silica concentration). X-ray diffraction, TEM/EDS and temperature programmed reduction were also carried on these catalysts to study the surface properties. It was observed that co-impregnation of Pt and Ni in atomic ratio 1:12 increased the reducibility of Ni by forming an alloy. However, sequential impregnation of Ni followed by Pt does not form the bi-metallic particles to increase the Ni reducibility. Reduction peak of co-impregnated Ni–Pt/Alnf was found to be 270 °C lower than the sequentially impregnated Pt/Ni/Alnf. The presence of silica at high concentration in CZxS support decreased the reducibility of ceria by forming an amorphous layer on Ce$_{x}$Zr$_{1−x}$O$_{2}$ crystals, which also decreased Ni reducibility. The rate of H$_{2}$ formation from aqueous phase sorbitol reforming was found to be highest for co-impregnated Ni–Pt catalysts followed by sequentially impregnated Pt/Ni and monometallic Ni catalyst. The H$_{2}$ activity decreased in the following order of the supports: Alnf > ZrO$_{2}$ > CZ3S > CZ7S. |
| Starting Page | 83 |
| Ending Page | 88 |
| Page Count | 6 |
| File Format | |
| ISSN | 09230750 |
| Journal | Journal of Inclusion Phenomena and Macrocyclic Chemistry |
| Volume Number | 65 |
| Issue Number | 1-2 |
| e-ISSN | 15731111 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2009-07-10 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Bimetallic Ni–Pt catalyst Aqueous phase sorbitol reforming TPR Crystallography Food Science Organic Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Condensed Matter Physics Food Science |
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