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Study of the Acid-Base Properties of sio2-Supported Nimoo4 Catalysts by Temperature-Programmeddesorption. Effect of the Active Phase Content |
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| Authors: | Rodica Zvoianu Cristina R. Dias M. Farinha Portela |
| Affiliation: | (1) GRECAT, Instituto Superior Técnico, Technical Univ. of Lisbon, Av. Rovisco Pais, 1049-001 Lisboa, Portugal;(2) Faculty of Chemistry, Department of ChemicalTechnology and Catalysis, University of Bucharest, bd. Carol I, 13, Bucharest, Romania |
| Abstract: | The acid-base properties of a series of SiO2-supported NiMoO4 catalysts were investigated by temperature-programmed desorption of NH3 and CO2. Results show that supported catalysts with ca. one monolayer of the active phase are less acidic than the unsupported stoichiometric NiMoO4. |
| Keywords: | TPD-NH3 TPD-CO2 nickel molybdate silica |
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